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5-V Voltage Regulator Preliminary Data
Features * * * * * * * * Wide operation range: 6 V to 45 V Wide temperature range: - 40 C to 150 C Low quiescent current consumption: 80 A Output protected against short circuit Over-temperature protection Power fail output SMD-Package SCT-595 Power Fail Output
TLE 4285 G
SCT-595
Type TLE 4285 G
Ordering Code Q67006-A9328
Package SCT-595
Functional Description The TLE 4285 G is a 5-V low-drop fixed voltage regulator in a very small SMD package SCT-595. The maximum input voltage is 45 V. The output is able to drive a load of more than 10 mA while it regulates the output voltage within a 4% accuracy. The Power Fail Output (open collector) is switched to low in case of under-voltage at the output pin. The device incorporates a temperature protection that disables the circuit at over temperature.
Semiconductor Group
1
1998-11-01
TLE 4285 G
Pin Configuration (top view) SCT-595
PF GND
1 5 2 3 4 GND
V
VQ
AEP02279
Figure 1 Pin Definitions and Functions Pin No. 1 2 3 4 5 Symbol PF GND Function Power Fail; L for under-voltage Ground; connected to pin 5 Input voltage Output voltage; must be blocked by a capacitor CQ 1 F, ESR 10 to GND Ground; connected to pin 2
VI VQ
GND
Semiconductor Group
2
1998-11-01
TLE 4285 G
Functional Block Diagram
V
3 Protection
Reference
Regulator 4
1 PF
Power Fail Control
VQ
2, 5 GND
AEB02186
Figure 2 Block Diagram
Semiconductor Group
3
1998-11-01
TLE 4285 G
Absolute Maximum Ratings - 40 C < Tj < 150 C Parameter Symbol Limit Values min. Input Voltage Current Output Voltage Current Power Fail Voltage Current Temperatures Junction temperature Storage temperature Thermal Resistances Junction pin Junction ambient
1)
Unit Remarks
max.
VI II
- 0.3 - 20
45 *
V mA
-
1)
internally limited
VQ IQ
- 0.3 - 20
16 *
V mA
- * internally limited
VPF IPF
- 0.3 - 500
45 *
V A
- * internally limited
Tj Tstg
- 40 - 50
150 150
C C
- -
Rthj-pin Rthja
- -
30 50
K/W measured to pin 5 K/W
1)
Package mounted on PCB 40 mm x 40 mm x 1.5 mm / 6 cm2 Cu (thickness Cu = 35 m)
Note: Maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit.
Semiconductor Group
4
1998-11-01
TLE 4285 G
Operating Range Parameter Input voltage Output current Junction temperature Symbol Limit Values min. max. 45 10 150 V mA C - - - 6 - - 40 Unit Remarks
VI IQ Tj
Semiconductor Group
5
1998-11-01
TLE 4285 G
Electrical Characteristics 6.2 V < VI < 36 V; - 40 C < Tj < 150 C; unless otherwise specified Parameter Symbol Limit Values min. Output Output voltage Output voltage Drop voltage Output capacitor typ. max. Unit Test Condition
VQ VQ Vdr CQ
4.85 4.8 - 1
5.0 5.0 0.8 -
5.15 5.20 - -
V V V F
Tj = 25 C; 1 mA < IQ < 10 mA 1 mA < IQ < 10 mA IQ = 10 mA
ESR 10 at 10 kHz
Current Consumption Quiescent current
IQ
-
80
140
A
IQ < 10 mA; II = 12 V
Regulator Performance Load regulation VQ - 5 20 mV 0 mA < IQ <10 mA;
Line regulation Power supply ripple rejection Power Fail Output Power fail threshold Power fail low voltage Power fail leakage current Power fail pull up
VQ
- -
5 60
20 -
mV dB
PSRR
VI = 6 V; Tj = 25 C IQ = 5 mA; Tj = 25 C fr = 100 Hz; Vr = 0.5 VSS
VQPF VPF, low IPFLK RPF
- - - 25
4.9 150 - 50
- 200 10 75
V mV A k
VPF < 1 V IPF = 0.1 mA Rextern = 47 k to VQ
internal connected to VQ
Semiconductor Group
6
1998-11-01
TLE 4285 G
6...40V
V
3 TLE 4285G
4
VQ
5V
C 100 nF
2, 5 GND
1
PF
Power Fail
CQ 1 F
AES02187
Figure 3 Application Circuit
Semiconductor Group
7
1998-11-01
TLE 4285 G
Output Voltage VQ versus Temperature Tj
5.10
AED02191
Output Voltage VQ versus Output Current IQ
6
AED02192
VQ
V 5.05
VQ
V 5
T j = 130 C
25 C -40 C
Q = 1 mA Q = 10 mA
5.00
4
4.95
3
4.90
2
4.85
1
4.80 -40
0
40
80
120 C 160 Tj
0
0
10
20
30 mA 40 Q
Drop Voltage Vdr versus Output Current IQ
1200
AED02193
Power Fail Low Voltage VPF versus Power Fail Current IPF
300
AED02188
V dr
mV 1000
Tj =
-40 C 25 C
V PF
mV 250
800 130 C 600
200
Tj = 150
25 C
150
400
100
-40 C
200
50
0
0
2.5
5
7.5
10
mA Q
15
0 50
100
150
200
250 C 300
PF
8 1998-11-01
Semiconductor Group
TLE 4285 G
Package Outlines SCT-595 (Plastic Dual Small Outline)
B 1.2 +0.1 -0.05
2.9 0.2 (2.2) 1.1 max (0.3) 0.1 max
A
2.6 max 0.25 min
0.3 +0.1 -0.05 0.6 +0.1 -0.05 0.95 1.9 0.25
M
0.15 +0.1 -0.06 0.20
M
A
B
GPW05997
Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book "Package Information". SMD = Surface Mounted Device Semiconductor Group 9
10max 1.6 0.1
+0.2 acc. to DIN 6784
10max
Dimensions in mm
1998-11-01

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