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'99.11.11
CMOS Multi-LDOs for RF Unit
R5320G Series
n OUTLINE
The R5320G Series are Multi voltage regulator ICs with high output voltage accuracy, extremely low supply current, low noise, low ON-resistance and high ripple rejection by CMOS process. The R5320G Series contain three voltage regulators. Each of these voltage regulators in the R5320G Series consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit and a chip enable circuit. The chip enable function contributes to prolong battery life. Further, regulators in the R5320G Series are with low dropout voltage, excellent load transient response and line transient response, thus the R5320G Series are very suitable for the power supply for hand-held communication equipment. The output voltage of each regulator is fixed with high accuracy by laser trim. Since the package for these ICs are SSOP8G package, high density mounting of the ICs on boards is possible.
n FEATURES
l l l l l l l l Ultra-Low Supply Current.....................................TYP. 70A:VR1, TYP. 70A:VR2, TYP. 70A:VR3 Low Standby Current ............................................TYP. 0.1A:VR1, TYP. 0.1A:VR2, TYP. 0.1A:VR3 Low Dropout Voltage ............................................TYP. 0.22V (VR1) 0.16V (VR2,VR3) IOUT=150mA:VR1,80mA:VR2,VR3 (ex. for 3.0V Output Type) High Ripple Rejection ...........................................TYP.70dB (f=1kHz) High Output Voltage Accuracy..............................2.0% Excellent Load Transient Response and Line Transient Response Small Package .......................................................8-Pin SSOP (0.65mm pitch) Input Voltage .........................................................Max. 6V
n APPLICATIONS
l l l Power source for cellular phones such as GSM,CDMA and Personal Handy-phone System. Power source for electrical appliances such as cameras, VCRs, camcorders, etc. Power source for battery-powered equipment.
Rev.1.13
-1-
n BLOCK DIAGRAM
R5320GxxxA
VOUT1 1 R1_1 Error Amp. R2_1 VOUT2 2 R1_2 Error Amp. R2_2 VOUT3 3 R1_3 Error Amp. R2_3 GND 4 Current Limit Vref 5 CE3 Current Limit Vref 6 CE2 Current Limit Vref 7 CE1 8 VDD
Rev.1.13
-2-
n SELECTION GUIDE
The selection can be made by designating the part number as shown below : R5320Gxxxx-TR Part Number -ab Code a b Descriptions Serial Number for Voltage setting from 001 Alphabetical Code for Mask Versions A: Standard
n PIN CONFIGURATION
SSOP8G PACKAGE
2.9 0.3
8 t=1.3MAX 1
7
6
5
2.8 0.2
2 3 4
0.65
(Unit:mm)
n PIN DESCRIPTIONS
Pin NO. 1 2 3 4 5 6 7 8 Symbol VOUT1 VOUT2 VOUT3 GND CE3 CE2 CE1 VDD Descriptions Output Pin Output Pin Output Pin Ground Pin Chip Enable Pin Chip Enable Pin Chip Enable Pin Input Pin
Rev.1.13
-3-
4.0 0.3
n ABSOLUTE MAXIMUM RATINGS
Symbol VIN CE VOUT IOUT1 IOUT2 IOUT3 PD Topt Tstg Item Input Voltage Input Voltage (CE Pin) Output Voltage Output Current (VOUT1) Output Current (VOUT2) Output Current (VOUT3) Power Dissipation Operating Temperature Range Storage Temperature Range Rating 7 -0.3 ~ VIN+0.3 -0.3 ~ VIN+0.3 200 100 100 300 -40 ~ 85 -55 ~ 125 Unit V V V mA mA mA mW C C
n ELECTRICAL CHARACTERISTICS
l R5320GxxxA VR1 Symbol VOUT IOUT DVOUT/DIOUT VDIF ISS Istandby DVOUT/DVIN RR VIN DVOUT/DT ILIM RDN VCEH VCEL en l Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise Conditions MIN. TYP. MAX. VIN-VOUT=1.0V 0.98 1.02 1mAIOUT30mA VIN-VOUT=1.0V 150 VIN-VOUT=1.0V 12 40 1mAIOUT80mA Refer to Electrical Characteristic by Output Voltage (VR1) VIN-VOUT=1.0V 70 120 VIN-VOUT=1.0V 0.1 1.0 VCE=GND VOUT+0.5VVIN6V 0.05 0.20 IOUT=30mA f=1kHz, sinusoidal 1Vp-p 70 VIN-VOUT=1.0V 6 IOUT=50mA 100 -40CTopt85C VOUT=0V 50 2.5 5 10 1.5 VIN 0 0.25 BW=10Hz-100kHz 60 Topt=25C Unit V mA mV A A %/V dB V ppm/ C mA MW V V Vrms
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE(VR1) Topt=25C Output Voltage VOUT (V) 2.0VOUT2.4 2.5VOUT2.7 2.8VOUT3.3 3.4VOUT5.0 Dropout Voltage VDIF (V) Conditions TYP. 0.35 0.3 IOUT=150mA 0.22 0.2
MAX. 0.55 0.45 0.35 0.3
Rev.1.13
-4-
VR2 Symbol VOUT IOUT DVOUT/DIOUT VDIF ISS Istandby DVOUT/DVIN RR VIN DVOUT/DT ILIM RDN VCEH VCEL en l Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise
Conditions MIN. TYP. VIN-VOUT=1.0V V 0.98 1.02 1mAIOUT30mA VIN-VOUT=1.0V 80 mA VIN-VOUT=1.0V 12 40 mV 1mAIOUT50mA Refer to Electrical Characteristics by Output Voltage (VR2) VIN-VOUT=1.0V 70 120 A VIN-VOUT=1.0V 0.1 1.0 A VCE=GND VOUT+0.5VVIN6V 0.05 0.20 V I=30mA f=1kHz, sinusoidal 1Vp-p 70 DB VIN-VOUT=1.0V 6 V IOUT=30mA ppm/ 100 C -40CTopt85C VOUT=0V 50 mA 2.5 5 10 MW 1.5 VIN V 0 0.25 V BW=10Hz-100KHz 60 Vrms
Topt=25C MAX. Unit
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (VR2) Output Voltage VOUT (V) 2.0VOUT2.4 2.5VOUT2.7 2.8VOUT3.3 3.4VOUT5.0 Topt=25C Dropout Voltage VDIF (V) Conditions TYP. MAX. 0.22 0.38 0.2 0.38 IOUT=80mA 0.16 0.24 0.12 0.24
Rev.1.13
-5-
VR3 Symbol VOUT IOUT DVOUT/DIOUT VDIF ISS Istandby DVOUT/DVIN RR VIN DVOUT/DT ILIM RDN VCEH VCEL en l Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise
Conditions MIN. TYP. VIN-VOUT=1.0V V 0.98 1.02 1mA IOUT 30mA VIN-VOUT=1.0V 80 mA VIN-VOUT=1.0V 12 40 mV 1mAIOUT50mA Refer to Electrical Characteristics by Dropout Voltage (VR3) VOUT+0.5VVIN6V 70 120 A IOUT=30mA f=1kHz, sinusoidal 1Vp-p 0.1 1.0 A VIN-VOUT=1.0V 0.05 0.20 %/V IOUT=30mA 70 dB -40CTopt85C VOUT=0V 6 V ppm/ 100 C BW=10Hz-100KHz 50 mA 2.5 5 10 MW 1.5 VIN V 0 0.25 V 60 Vrms
Topt=25C MAX. Unit
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (VR3) Output Voltage VOUT (V) 2.0VOUT2.4 2.5VOUT2.7 2.8VOUT3.3 3.4VOUT5.0 Topt=25C Dropout Voltage VDIF (V) Conditions TYP. MAX. 0.24 0.38 0.22 0.28 IOUT=80mA 0.16 0.24 0.15 0.24
Rev.1.13
-6-
n OPERATION
1
8
R1_1
Error Amp. Vref
R2_1 Current Limit 7 2
R1_2
Error Amp. Vref
R2_2 Current Limit 6 3
R1_3
Error Amp. Vref
R2_3 Current Limit 14 5
Fluctuation of each regulator'fs output voltage, or VOUT1, 2, 3 is detected individually and put back to an error amplifier through feedback resistors, or R1_1, R2_1, R1_2, R2_2, R1_3, R2_3 and compared with a reference voltage and compensated for the result and make a constant voltage. In each regulator, short protection is made by a current limit circuit and stand-by mode is available by a chip enable circuit.
Rev.1.13
-7-
n TEST CIRCUITS
IOUT1 C2 CE1 7 2 VOUT2 R5320G SERIES CE2 6 3 VOUT3 C1 C4 4 GND CE3 5 VIN 1 VOUT1 VDD 8
IOUT2
IOUT3
C3
C1=1 F, C2=C3=C4=2.2 F
Basic Test Circuit
IOUT1 C2
1 VOUT1
VDD 8
A
IOUT2
IOUT3
C3
CE1 7 2 VOUT2 R5320G SERIES CE2 6 3 VOUT3 C1 C4 4 GND CE3 5
VIN
C1=1 F, C2=C3=C4=2.2 F
Test Circuit for Supply Current
IOUT1 C1
1 VOUT1
VDD 8
IOUT2
IOUT3
C2
CE1 7 2 VOUT2 R5320G SERIES CE2 6 3 VOUT3 C3 4 GND CE3 5
P.G.
C1=C2=C3=2.2 F
Test Circuit for Line Transient Response
Rev.1.13
-8-
I1a I1b I2a I2b I3a I3b 1 VOUT1 C2 CE1 7 2 VOUT2 R5320G SERIES CE2 6 3 VOUT3 C1 C4 4 GND CE3 5 VIN VDD 8
C3
C1=1 F, C2=C3=C4=2.2 F
Test Circuit for Load Transient Response
IOUT1 C1
1 VOUT1
VDD 8
IOUT2
IOUT3
C2
CE1 7 2 VOUT2 R5320G SERIES CE2 6 3 VOUT3 C3 4 GND CE3 5
VIN
C1=C2=C3=2.2 F
Test Circuit for Ripple Rejection
Rev.1.13
-9-
n TYPICAL CHARACTERESTICS
1) Output Voltage vs. Output Current 3V
3.5 VR1 3.0
4V
4.5 VR1 4.0
5V
4.5V VIN = 4.3V
5V
Output Voltage VOUT (V)
Output Voltage VOUT (V)
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
2.5 4V 2.0 3.5V 1.5 1.0 0.5 0.0 0 0.1 0.2 0.3 0.4 0.5 Output Current IOUT (A) 0.6 VIN = 3.3V
6V
0
0.1
0.2 0.3 0.4 0.5 Output Current IOUT (A)
0.6
3V
3.5 VR2 3.0 4.5 4.0
4V
VR2 4.5V VIN = 4.3V 6V 3.0 2.5 2.0 1.5 1.0 0.5 0.0 5V
Output Voltage VOUT (V)
Output Voltage VOUT (V)
5V 2.5 4V 2.0 3.5V 1.5 1.0 0.5 0.0 0 0.1 0.2 0.3 0.4 Output Current IOUT (A) 0.5 VIN = 3.3V
3.5
0
0.1
0.2 0.3 0.4 Output Current IOUT (A)
0.5
3V
3.5 VR3 3.0
Output Voltage VOUT (V)
4.5 4.0
4V
VR3 4.5V 6V VIN = 4.3V 5V
2.5 2.0 1.5 VIN = 3.3V 1.0 0.5 0.0 0 0.1 0.2 0.3 0.4 Output Current IOUT (A) 4V 3.5V
Output Voltage VOUT (V)
5V
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1 0.2 0.3 Output Current IOUT (A) 0.4
Rev.1.13
- 10 -
2) 5V
5.5 5.0 4.5 VR1 VIN = 5.3V 5.5V 6V
Output Voltage vs. Input Voltage 3V
4.0 VR1
Output Voltage VOUT (V)
Output Voltage VOUT (V)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1
3.0
2.0
1.0
IOUT=1mA IOUT=30mA IOUT=50mA
0.0
0.2 0.3 0.4 0.5 Output Current IOUT (A)
0.6
0
1
2 3 4 Input Voltage VIN (V)
5
6
5V
5.5 5.0 4.5 VR2 6V
Output Voltage VOUT (V)
3V
4.0 VR2
5.5V VIN = 5.3V
Output Voltage VOUT (V)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1
3.0
2.0
1.0
IOUT=1mA IOUT=30mA IOUT=50mA
0.0
0.2 0.3 0.4 Output Current IOUT (A)
0.5
0
1
2 3 4 Input Voltage VIN (V)
5
6
5V
5.5 5.0 4.5 VR3 6V 5.5V VIN = 5.3V
Output Voltage VOUT (V)
3V
4.0 VR3 3.0
Output Voltage VOUT (V)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
2.0
1.0
IOUT=1mA IOUT=30mA IOUT=50mA
0.0
0.1 0.2 0.3 Output Current IOUT (A)
0.4
0
1
2 3 4 Input Voltage VIN (V)
5
6
Rev.1.13
- 11 -
4V
5.0 VR1 4.0
6.0 5.0 4.0 3.0 2.0 1.0 0.0
5V
VR1
Output Voltage VOUT (V)
3.0
2.0 IOUT=1mA 1.0 0.0 0 1 2 3 4 Input Voltage VIN (V) 5 6 IOUT=30mA IOUT=50mA
Output Voltage VOUT (V)
IOUT=1mA IOUT=30mA IOUT=50mA 0 1 2 3 4 Input Voltage VIN (V) 5 6
4V
5.0 VR2
5V
6.0 VR2
Output Voltage VOUT (V)
Output Voltage VOUT (V)
4.0
5.0 4.0 3.0 2.0 1.0 0.0
3.0
2.0 IOUT=1mA 1.0 0.0 0 1 2 3 4 5 6 Input Voltage VIN (V) IOUT=30mA IOUT=50mA
IOUT=1mA IOUT=30mA IOUT=50mA 0 1 2 3 4 Input Voltage VIN (V) 5 6
4V
5.0 VR3
Output Voltage VOUT (V)
Output Voltage VOUT (V)
6.0 5.0 4.0 3.0 2.0 1.0 0.0
5V
VR3
4.0
3.0
2.0 IOUT=1mA 1.0 0.0 0 1 2 3 4 Input Voltage VIN (V) 5 6 IOUT=30mA IOUT=50mA
IOUT=1mA IOUT=30mA IOUT=50mA 0 1 2 3 4 Input Voltage VIN (V) 5 6
Rev.1.13
- 12 -
3)
Ripple Rejection vs. Input Voltage (DC Bias) 3V
IOUT = 10mA COUT = tantal 2.2 F 80 VR1 70 70 80
3V
IOUT = 50mA COUT = tantal 2.2 F VR1
Ripple Rejection RR (dB)
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
Ripple Rejection RR (dB)
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
80 VR2 70
80 VR2 70
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
80 VR3 70
80 VR3 70
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
60 50 40 30 20 10 10kHz 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 100Hz 1kHz
Rev.1.13
- 13 -
4)
Output Voltage vs. Temperature 3V
3.10 VR1 IOUT = 50mA 4.10
4V
VR1 IOUT = 50mA
Output Voltage VOUT (V)
Output Voltage VOUT (V)
3.05
4.05
3.00
4.00
2.95
3.95
2.90 -50
0 50 Temperature Topt Topt (
100 )
3.90 -50
0 50 Temperature Topt Topt (
100 )
3V
3.10 VR2 IOUT = 30mA 4.10
4V
VR2 IOUT = 30mA
Output Voltage VOUT (V)
Output Voltage VOUT (V)
3.05
4.05
3.00
4.00
2.95
3.95
2.90 -50
0 50 Temperature Topt Topt (
100 )
3.90 -50
0 50 Temperature Topt Topt (
100 )
3V
3.10 VR3 IOUT = 10mA 4.10
4V
VR3 IOUT = 10mA
Output Voltage VOUT (V)
Output Voltage VOUT (V)
3.05
4.05
3.00
4.00
2.95
3.95
2.90 -50
0 50 Temperature Topt Topt (
100 )
3.90 -50
0 50 Temperature Topt Topt (
100 )
Rev.1.13
- 14 -
5) 5V
5.10 VR1 IOUT = 50mA
Supply Current vs. Input Voltage 3V
80 70
Output Voltage VOUT (V)
5.05
Supply Current ISS ( A)
60 50 40 30 20 10 VR3 VR1 VR2 0
5.00
4.95
4.90 -50
0 50 Temperature Topt Topt (
100 )
0
1
2 3 4 Input Voltage VIN (V)
5
6
5V
5.10 VR2 IOUT = 30mA 80 70
4V
Output Voltage VOUT (V)
5.05
Supply Current ISS ( A)
60 50 40 30 20 10 VR3 VR1 VR2 0
5.00
4.95
4.90 -50
0 50 Temperature Topt Topt (
100 )
0
1
2 3 4 Input Voltage VIN (V)
5
6
5V
5.10 VR3 IOUT = 10mA 80 70
5V
Output Voltage VOUT (V)
5.05
Supply Current ISS ( A)
60 50 40 30 20 10 VR3 VR1 VR2 0
5.00
4.95
4.90 -50
0 50 Temperature Topt Topt (
100 )
0
1
2 3 4 Input Voltage VIN (V)
5
6
Rev.1.13
- 15 -
6)
Supply Current vs. Temperature 3V
100 VR1 100
4V
VR1
Supply Current ISS ( A)
60
Supply Current ISS ( A)
0 50 ) 100
80
80
60
40
40
20 0 -50
20 0 -50
Temperature Topt Topt ( 100 VR2
0 50 Temperature Topt Topt (
100 )
100 VR2
Supply Current ISS ( A)
Supply Current ISS ( A)
80
80
60
60
40
40
20 0 -50
20 0 -50
0
50 )
100
Temperature Topt Topt ( 100 VR3
0 50 Temperature Topt Topt (
100 )
100 VR3
Supply Current ISS ( A)
60
Supply Current ISS ( A)
0 50 Temperature Topt Topt ( 100 )
80
80
60
40
40
20 0 -50
20 0 -50
0 50 Temperature Topt Topt (
100 )
Rev.1.13
- 16 -
7) 5V
100 VR1
Dropout Voltage vs. Set Output Voltage 3V
0.25 VR1 10mA 30mA
Supply Current ISS ( A)
Dropout Voltage VDIF (V)
80
0.20
50mA 100mA
60
0.15
40
0.10
20 0 -50
0.05 0.00
0 50 Temperature Topt Topt (
100 ) 0.25
2
3 4 Set Output Voltage Vreg (V)
5
100 VR2
VR2
10mA 30mA 50mA
Supply Current ISS ( A)
Dropout Voltage VDIF (V)
0 50 Temperature Topt Topt ( 100 )
80
0.20
60
0.15
40
0.10
20 0 -50
0.05 0.00 2 3 4 5 Set Output Voltage Vreg (V) 0.25
100 VR3
VR3
10mA 30mA 50mA
Dropout Voltage VDIF (V)
Supply Current ISS ( A)
80
0.20
60
0.15
40
0.10
20 0 -50
0.05 0.00
0 50 Temperature Topt Topt (
100 )
2
3 4 Set Output Voltage Vreg (V)
5
Rev.1.13
- 17 -
8)
Ripple Rejection vs. Frequency 3V
COUT = 0.47 F 80
80
3V
COUT = 2.2 F
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
70 60 50 40 30 20 10 0 0.1 VR1 1 10 1mA 10mA 50mA 100
70 60 50 40 30 20 10 0 0.1 VR1 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
80 80 70
Frequency f (kHz)
Ripple Rejection RR (dB)
70
Ripple Rejection RR (dB)
60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
80
Frequency f (kHz) 80
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
70 60 50 40 30 20 10 0 0.1 VR3 1 10 1mA 10mA 50mA 100
70 60 50 40 30 20 10 0 0.1 VR3 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
Frequency f (kHz)
Rev.1.13
- 18 -
4V
COUT = 0.47 F 80 80
4V
COUT = 2.2 F
Ripple Rejection RR (dB)
60 50 40 30 20 10 0 0.1 VR1 1 10 1mA 10mA 50mA 100
Ripple Rejection RR (dB)
70
70 60 50 40 30 20 10 0 0.1 VR1 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
Frequency f (kHz)
80
80
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
70 60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
70 60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
Frequency f (kHz)
80
80
Ripple Rejection RR (dB) Ripple Rejection RR (dB)
70 60 50 40 30 20 10 0 0.1 VR3 1 10 1mA 10mA 50mA 100
70 60 50 40 30 20 10 0 0.1 VR3 1 10 1mA 10mA 50mA 100
Frequency f (kHz)
Frequency f (kHz)
Rev.1.13
- 19 -
5V
COUT = 0.47 F 80
Ripple Rejection RR (dB) Ripple Rejection RR (dB)
80 70 60 50 40 30 20 10 0
5V
COUT = 2.2 F
70 60 50 40 30 20 10 0 0.1 VR1 1 10 1mA 10mA 50mA 100
1mA 10mA 50mA 1 10 100
VR1 0.1
Frequency f (kHz)
80 80 70
Ripple Rejection RR (dB)
Frequency f (kHz)
Ripple Rejection RR (dB)
70 60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
60 50 40 30 20 10 0 0.1 VR2 1 10 1mA 10mA 50mA 100
Frequency f (kHz) 80
Ripple Rejection RR (dB) Ripple Rejection RR (dB)
Frequency f (kHz)
80 70 60 50 40 30 20 10 0
1 10 100
70 60 50 40 30 20 10 0 0.1 VR3 1mA 10mA 50mA
1mA 10mA 50mA 1 10 100
VR3 0.1
Frequency f (kHz)
Frequency f (kHz)
Rev.1.13
- 20 -
9)
Dropout Voltage vs. Output Current 3V
0.30
Dropout Voltage VDIF (V) Dropout Voltage VDIF (V)
4V
0.30 -40 C 25 C 85 C 0.20 0.15 0.10 0.05 0.00 VR1
0.25 0.20 0.15 0.10 0.05 0.00 0
-40 C 25 C 85 C
VR1 0.25
50
100
150
0
50
100
150
Output Current IOUT (mA) 0.30
Dropout Voltage VDIF (V)
0.30
Output Current IOUT (mA)
Dropout Voltage VDIF (V)
0.25 0.20 0.15 0.10 0.05 0.00 0 20
-40 C 25 C 85 C
VR2
0.25 0.20 0.15 0.10 0.05 0.00
-40 C 25 C 85 C
VR2
40
60
80
0
20
40
60
80
Output Current IOUT (mA) 0.30
Dropout Voltage VDIF (V) Dropout Voltage VDIF (V)
Output Current IOUT (mA)
0.30 -40 C 25 C 85 C VR3 0.25 0.20 0.15 0.10 0.05 0.00 0 20 40 60 80 0 20 40 60 80 -40 C 25 C 85 C VR3
0.25 0.20 0.15 0.10 0.05 0.00
Output Current IOUT (mA)
Output Current IOUT (mA)
Rev.1.13
- 21 -
5V
0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 50 100 150 -40 C 25 C 85 C VR1
Dropout Voltage VDIF (V)
Output Current IOUT (mA)
0.30
Dropout Voltage VDIF (V)
0.25 0.20 0.15 0.10 0.05 0.00 0
-40 C 25 C 85 C
VR2
20
40
60
80
Output Current IOUT (mA)
0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 20 40 60 80 -40 C 25 C 85 C VR3
Dropout Voltage VDIF (V)
Output Current IOUT (mA)
Rev.1.13
- 22 -
10) Line Transient Response
Tr=Tf=5 s COUT=Tantal 2.2 F 3.02 3.01 6.0 5.0 4.0 Input Voltage 2.99 2.98 Output Voltage(VR1) 2.97 2.96 0 10 20 30 40 Time t ( s) 50 60 70 80 IOUT=50mA 1.0 0.0 3.0 2.0
Output Voltage (V)
3.00
3.02 3.01
6.0 5.0 4.0 Input Voltage 3.0 2.0 Output Voltage(VR1) IOUT=30mA 1.0 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
3.02 3.01
6.0 5.0 4.0 3.0 2.0 Output Voltage(VR1) IOUT=10mA 1.0 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
Rev.1.13
- 23 -
Input Voltage (V)
Input Voltage
Input Voltage (V)
Input Voltage (V)
Tr=Tf=5 s COUT=Tantal 0.47 F 3.02 3.01 6.0 5.0 4.0 3.0 Output Voltage(VR1) IOUT=50mA 2.97 2.96 0 10 20 30 40 Time t ( s) 50 60 70 80 1.0 0.0 2.0
Output Voltage (V)
3.00 2.99 2.98
3.02 3.01
6.0 5.0 4.0 3.0 2.0 Output Voltage(VR1) 1.0 IOUT=30mA 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
3.02 3.01
6.0 5.0 4.0 3.0 2.0 Output Voltage(VR1) 1.0 IOUT=10mA 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
Rev.1.13
- 24 -
Input Voltage (V)
Input Voltage
Input Voltage (V)
Input Voltage
Input Voltage (V)
Input Voltage
Tr=Tf=5 s COUT=Ceramic 2.2 F+ESR1 3.02 3.01 6.0 5.0 4.0 3.0 2.0 Output Voltage(VR1) 2.97 2.96 0 10 20 30 40 Time t ( s) 50 60 70 80 IOUT=50mA 1.0 0.0
Output Voltage (V)
3.00 2.99 2.98
3.02 3.01
6.0 5.0 4.0 3.0 2.0 Output Voltage(VR1) IOUT=30mA 1.0 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
3.02 3.01
6.0 5.0 4.0 3.0 Output Voltage(VR1) 2.0 IOUT=10mA 1.0 0.0 0 10 20 30 40 Time t ( s) 50 60 70 80
Output Voltage (V)
3.00 2.99 2.98 2.97 2.96
Rev.1.13
- 25 -
Input Voltage (V)
Input Voltage
Input Voltage (V)
Input Voltage
Input Voltage (V)
Input Voltage
11) Load Transient Response
COUT= 2.2 F+1 3.40 3.35 3.30 3.25 IOUT1 3.20 3.15 3.10 0 VOUT1 50 100 150
Output Voltage VOUT (V)
3.05 3.00 2.95 2.90 3.05 3.00
VOUT2 2.95 2.90 3.05 VOUT3 3.00 2.95 2.90 2.85 2.80 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 IOUT3=10mA IOUT2=30mA
Time t ( s)
Rev.1.13
- 26 -
Output Current IOUT1 (mA)
COUT= 2.2 F+1 3.40
3.30 3.25 3.20 3.15 3.10 3.05 VOUT1 IOUT2
100
50
0
Output Voltage VOUT (V)
3.00 2.95 2.90 3.05 3.00 2.95 2.90 3.05 VOUT3 VOUT1 3.00 2.95 2.90 2.85 2.80 -40 -30 -20 -10 0 10 20 30 40 Time t ( s) 50 60 70 80 90 100 IOUT3=10mA VOUT2 IOUT1=50mA
Rev.1.13
- 27 -
Output Current IOUT1 (mA)
3.35
COUT= 2.2 F+1 3.30 3.25 3.20 3.15 IOUT3 3.10 3.05 3.00 VOUT1 IOUT1=50mA 0 50 100
Output Voltage VOUT (V)
2.95 2.90 3.05 3.00 2.95 2.90 3.05 VOUT3 3.00 2.95 2.90 2.85 2.80 -40 -30 -20 -10 0 10 20 30 40 Time t ( s) 50 60 70 80 90 100 VOUT2 IOUT2=30mA
Rev.1.13
- 28 -
Output Current IOUT1 (mA)
n TECHNICAL NOTES
To use this IC with ceramic capacitors, ESR should be set in the range of the following graphs. Test circuit for Noise level measurement is shown below;
IOUT1 Ceramic Capacitor 1 VOUT1 IOUT2 Ceramic Capacitor ESR Spectrum Analyzer S.A. ESR 2 VOUT2 IOUT3 CE1 7 VIN R5320G SREIES 3 VOUT3 Ceramic Capacitor ESR GND 4 CE2 6 VDD 8
CE3 5 Ceramic 0.01 F
Noise level is measured with a spectrum analyzer and hatched area shows stable areas of which noise level is approximately equal or less than 40V (Avg.). The relation between Load Current (IOUT) and Equivalent Series Resistors (ESR) value of external output capacitor with the stable area is shown below;
Ceramic Capacitor 1 F
100 100
Ceramic Capacitor 2.2 F
10
10
)
ESR (
ESR (
)
1 1 0.1 VR1 0.01 0 50 100 150 Load Current (mA) 0.01 0 50 100 150 Load Current (mA) 0.1 VR1
Rev.1.13
- 29 -
Ceramic Capacitor 1 F
100
100
Ceramic Capacitor 2.2 F
10
10
)
ESR (
ESR (
)
1
1
0.1 VR2 0.01 0 20 40 60 Load Current (mA) 80
0.1 VR2 0.01 0 20 40 Load Current (mA)
100
60
80
100
10
10
)
ESR (
ESR (
)
1 1 0.1 VR3 0.01 0 20 40 Load Current (mA) 60 80 0.01 0 20 40 Load Current (mA) 60 80 0.1 VR3
Measuring Conditions Frequency Band : 10Hz to 1MHz Temperature : 25C
Rev.1.13
- 30 -

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