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NJM2860 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2860 is a low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. It features small SC-88A package. FEATURES High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30Vrms typ. (Cp=0.01F) Output capacitor with 1.0uF ceramic capacitor (Vo2.7V) Output Current Io(max.)=100mA High Precision Output Vo1.0% Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SC88A PIN CONFIGURATION 5 4 s PACKAGE OUTLINE NJM2860F3 123 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS 4. VOUT 5. VIN NJM2860F3 EQUIVALENT CIRCUIT VIN Cont Bandgap Reference Thermal Protection Noise Bypass VOUT GND OUTPUT VOLTAGE RANK LIST Device Name VOUT Device Name NJM2860F3-28 NJM2860F3-15 1.5V NJM2860F3-285 NJM2860F3-18 1.8V NJM2860F3-03 NJM2860F3-19 1.9V NJM2860F3-31 NJM2860F3-21 2.1V NJM2860F3-32 NJM2860F3-25 2.5V NJM2860F3-26 2.6V NJM2860F3-33 NJM2860F3-27 2.7V NJM2860F3-35 VOUT 2.8V 2.85V 3.0V 3.1V 3.2V 3.3V 3.5V Device Name NJM2860F3-355 NJM2860F3-38 NJM2860F3-04 NJM2860F3-46 NJM2860F3-47 NJM2860F3-05 VOUT 3.55V 3.8V 4.0V 4.6V 4.7V 5.0V NJM2860 (Ta=25C) RATINGS UNIT +14 V +14(*1) V 250(*2) mW -40 +85 C -40 +125 C (*1):When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. (*2): Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers) Operating voltage VIN=+2.3V +14.0V (In case of Vo<2.1V) ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1F, Co=1.0uF: Vo2.7V (Co=2.2uF: Vo2.6V), Cp=0.01F, Ta=25C) PARAMETER Output Voltage Quiescent Current Quiescent Current at Control OFF Output Current Line Regulation Load Regulation Dropout Voltage(*3) Ripple Rejection Average Temperature Coefficient of Output Voltage Output Noise Voltage Control Voltage for ON-state Control Voltage for OFF-state SYMBOL Vo IQ IQ(OFF) Io Vo/VIN Vo/Io VI-O RR Vo/Ta VNO VCONT(ON) VCONT(OFF) Io=30mA Io=0mA, expect Icont VCONT=0V Vo-0.3V VIN=Vo+1V Vo+6V, Io=30mA Io=0 60mA Io=60mA ein=200mVrms,f=1kHz, Io=10mA, Vo=3V Version Ta=085C, Io=10mA f=10Hz80kHz, Io=10mA, Vo=3V Version TEST CONDITION MIN. -1.0% - - 100 - - - - - - 1.6 - TYP. - 120 - 130 - - 0.10 70 50 30 - - MAX. +1.0% 180 100 0.10 0.03 0.18 - - - - 0.6 UNIT V A nA mA %/V %/mA V dB ppm/C Vrms V V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg (*3): The output voltage excludes under 2.1V. The above specification is a common specification for all output voltages. Therefore, it may be different from the individual specification for a specific output voltage. TEST CIRCUIT A VIN IIN VIN VOUT IOUT 0.1F NJM2860 V VOUT 1.0F*4 (ceramic) A V VCONT ICONT CONTROL GND NOISE BYPASS Cp=0.01F *4 Vo2.6V version: Co=2.2F(ceramic) NJM2860 TYPICAL APPLICATION 1 In the case where ON/OFF Control is not required: VIN 0.1F VIN VOUT VOUT 1.0F*5 NJM2860 R (0300k) CONTROL GND NOISE BYPASS Cp=0.01F *5 Vo2.6V version: Co=2.2F Connect control terminal to VIN terminal The quiescent current can be reduced by using a resistance "R". Instead, it increases the minimum operating voltage. For further information, please refer to Figure "Output Voltage vs. Control Voltage". 2 In use of ON/OFF CONTROL: VIN VIN VOUT VOUT 1.0F*5 0.1F R CONTROL GND NOISE BYPASS Cp=0.01F NJM2860 *5 Vo2.6V version: Co=2.2F State of control terminal: *"H" output is enabled. * "L" or "open" output is disabled. Noise bypass Capacitance Cp Noise bypass capacitance Cp reduces noise generated by band-gap reference circuit. Noise level and ripple rejection will be improved when larger Cp is used. Use of smaller Cp value may cause oscillation. Use the Cp value of 0.01uF greater to avoid the problem. NJM2860 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJM2860F3 Power Dissipation (Topr=-40+85,Tj=125) 500 Power Dissipation PD(mW) 400 300 On Board(114.3x76.2x1.6mm, FR-4) 200 100 0 -50 -25 0 25 50 75 100 Ambient Temperature Ta() NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Output Voltage vs. Input Voltage @:Ta=25 C Co=1F(Ceramic) Cp=0.01uF 3.1 3 o 3.2 4 NJM2860_3.0V Output Voltage vs. Output Current 3.5 Output Voltage : Vo (V) Output Voltage : Vo(V) Io=0A 3 2.5 2 2.9 Io=30mA 1.5 1 2.8 Io=80mA 0.5 @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01mF 0 50 100 150 200 o 2.7 2.7 0 2.8 2.9 3 3.1 3.2 3.3 3.4 Input Voltage : V IN(V) Output Current : Io(mA) NJM2860_3.0V Ground Pin Current vs. Output Current 20 @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01mF o 0.3 NJM2860_3.0V Dropout Voltage vs. Output Current @:Ta=25 C Co=1F(Ceramic) Cp=0.01mF o 0.25 Ground Pin Current : IGND (mA) 15 Dropout Voltage : dVI-O (V) 0.2 10 0.15 0.1 5 0.05 0 0 20 40 60 80 100 120 0 0 20 40 60 80 100 120 Output Current : IO(mA) Output Current : Io(mA) 30 NJM2860_3.0V Control Current vs. Control Voltage @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01F Io=30mA o 4 NJM2860_3.0V Output Voltage vs. Control Voltage 3.5 25 3 Rc=0 Control Current : Icont( mA) Output Voltage : Vo(V) 20 2.5 15 Rc=50k Rc=0 10 2 Rc=100k 1.5 Rc=50k 1 5 0.5 Rc=100k 0 0 0.5 1 1.5 2 2.5 3 3.5 4 0 0 0.5 1 1.5 @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01F Io=30mA 2 2.5 3 o Control Voltage : Vcont(V) Control Voltage : Vcont(V) NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Load Regulation vs. Output Current 0 @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01F o 200 NJM2860_3.0V Peak Output Current vs. Input Voltage -10 Peak Output Current : IoMAX(mA) Load Regulation : dVo/dIo (mV) -20 150 -30 -40 100 -50 -60 50 @:Ta=25 C Co=1F(Ceramic) Cp=0.01F 0 o -70 -80 0 50 100 150 4 6 8 10 12 14 Output Current : Io(mA) Input Voltage : VIN(V) NJM2860_3.0V Quiescent Current vs. Input Voltage 2000 @:Ta=25 C Output is open. Co=1F(Ceramic) Cp=0.01F including Icont o 100 NJM2860_3.0V Output Noise Voltage vs. Output Current @:Ta=25 C VIN=4.0V Cp=0.01F LPF:100kHz o 1500 Output Noise Voltage : Vn(mVrms) 80 Quiescent Current : IQ (mA) 60 Co=1F(Ceramic) 40 1000 500 20 Co=2.2F(Ceramic) 0 0 5 10 15 0 0.001 0.01 0.1 1 10 100 Input Voltage : VIN(V) Output Current : Io(mA) NJM2860_3.0V Ripple Rejection Ratio vs. Frequency 100 100 NJM2860_3.0V Ripple Rejection vs. Output Current 90 Io=10mA 90 Io=0mA f=1kHz 80 Ripple Rejection Ratio : RR (dB) Ripple Rejection : RR (dB) 80 70 70 60 60 Io=30mA 50 50 f=10kHz @:Ta=25 C VIN=4V ein=200mVrms Co=1F(Ceramic) Cp=0.01F 0.01 0.1 1 10 100 o 40 30 @:Ta=25 C VIN=4.0V ein=200mVrms Co=1F(Ceramic) Cp=0.01F 10 100 1k 10k 100k o 40 30 20 20 0.001 Frequency : f (Hz) Output Current : Io(mA) NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Equivalent Serise Resistance vs. Output Current 100 @:Ta=25 C Co=1F(Ceramic) Cp=0.01F o 0.3 NJM2860_3.0V Dropout Voltage vs. Ambient Temperature @:VIN=4V Io=60mA Co=1F(Ceramic) Cp=0.01F 0.25 Equivalent Serise Resistance : ESR( ) 10 Dropout Voltage : dVI-O (V) 10m 100m 0.2 Oscillation Free 1 0.15 0.1 0.1 0.05 0.02 1 10 100 1m 0 -50 0 50 100 o 150 Output Current : Io(mA) Ambient Temperature : Ta ( C) NJM2860_3.0V Control Voltage vs. Ambient Temperature 2 3.1 NJM2860_3.0V Output Voltage vs. Ambient Temperature @:VIN=4V Io=30mA Co=1F(Ceramic) Cp=0.01F Control Voltage : VCONT(ON) (V) 1.5 3.05 1 Output Voltage Vo (V) @:VIN=4V Io=30mA Co=1F(Ceramic) Cp=0.01F 3 0.5 2.95 0 -50 0 50 100 o 2.9 150 -50 0 50 100 o 150 Ambient Temperature : Ta ( C) Ambient Temperature Ta ( C) NJM2860_3.0V Quiescent Current vs. Ambient Temperature 200 @:VIN=4V Output is open. Co=1F(Ceramic) Cp=0.01F 0.1 NJM2860_3.0V Line Regulation v.s. Temperature @:dVIN=4-9V Io=30mA Co=1F(Ceramic) Cp=0.01F Line Regulation : dVo/dIo (%/V) 150 Quiescent Current : IQ (mA) 0.05 100 0 50 -0.05 0 -50 0 50 100 o 150 -0.1 -50 0 50 100 o 150 Ambient Temperature : Ta ( C) Temperature : Ta ( C) NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Load Regulation v.s. Temperature 0.03 @:VIN=4V Io=0-60mA Co=1F(Ceramic) Cp=0.01F NJM2860_3.0V Output Voltage vs. Ambient Temperature 4 3.5 0.025 Load Regulation : dVo/dIo (%/mA) 3 0.02 Output Voltage Vo (V) 2.5 0.015 2 1.5 0.01 1 0.005 0.5 @:VIN=4V Io=30mA Co=1F(Ceramic) Cp=0.01F -50 0 50 100 o 0 -50 0 50 100 o 0 150 150 200 Temperature : Ta ( C) Ambient Temperature Ta ( C) NJM2860_3.0V Short Circuit Current v.s. Temperature 200 @:VIN=4V Output is short to ground. Co=1F(Ceramic) Cp=0.01F Short Circuit Current : ISC (mA) 150 100 50 0 -50 0 50 100 o 150 Temperature : Ta ( C) NJM2860 TYPICAL CHARACTERISTICS NJM2860_3V ON/OFF Transient Response without Load 7 6 5 Output Voltage : Vo [V] 4 Output Voltage 3 2 1 0 -1 0 1 2 3 Time : t [S] 4 5 @:Ta=25 C VIN=4V Co=1F(Ceramic) Io=0mA o NJM2860_3V ON/OFF Transient Response 10 7 Control Voltage 6 5 Output Voltage : Vo [V] 4 Output Voltage 3 2 1 0 -1 0 4 8 12 Time : t [mS] 16 20 @:Ta=25 C VIN=4V Co=1F(Ceramic) Io=30mA o 10 5 0 -5 -10 -15 -20 -25 -30 Control Voltage 5 0 -5 -10 -15 -20 -25 -30 NJM2860_3V Line Transient Response 3.1 3.08 3.06 Output Voltage : Vo [V] Input Voltage 3.04 3.02 Output Voltage 3 2.98 2.96 2.94 0 40 80 120 Time : t [S] 160 2 1 0 -1 200 4 3 7 6 5 Control Voltage : Vo [V] NJM2860_3V Load Transient Response 3.08 3.06 Output Current 150 100 50 0 -50 Output Voltage 2.98 2.96 2.94 2.92 0 40 80 120 Time : t [S] 160 -100 -150 -200 -250 200 Input Voltage : VIN [V] Output Voltage : Vo [V] 3.02 3 @:Ta=25 C Co=1F(Ceramic) Cp=0.01F Io=30mA o @:Ta=25 C VIN=4V Co=1F(Ceramic) Cp=0.01F o [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Output Current : Io [mA] 3.04 Control Voltage : Vo [V] |
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