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NJM2835 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2835 is a 500mA output low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and high supply voltage. 2.1V to 15.5V output voltage range, 2.2F small decoupling capacitor, built-in noise bypass capacitor make the NJM2835 suitable for various applications. FEATURES Output voltage options available 2.1 15.5V High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=45Vrms typ. Output capacitor with 2.2F ceramic capacitor (Vo5.1V) Output Current Io(max.)=500mA High Precision Output Vo1.0% Low Dropout Voltage 0.18V typ. (Io=300mA) Internal Thermal Overload Protection Internal Over Current Protection Bipolar Technology Package Outline TO-252-3 PIN CONFIGURATION 2 PACKAGE OUTLINE NJM2835DL1 PIN FUNCTION 1.VIN 2.GND 3.VOUT 3 1 NJM2835DL1 EQUIVALENT CIRCUIT VIN Thermal Protection Bandgap Reference VOUT GND NJM2835 OUTPUT VOLTAGE RANK LIST Device Name VOUT Device Name NJM2835DL1-21 2.1V NJM2835DL1-85 NJM2835DL1-03 3.0V NJM2835DL1-12 NJM2835DL1-05 5.0V NJM2835DL1-15 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Power Dissipation Operating Temperature Storage Temperature PD Topr Tstg VOUT 8.5V 12.0V 15.0V (Ta=25C) UNIT V W C C RATINGS +20 10(Tc25C) 1(Ta25C) -40 +85 -40 +150 ELECTRICAL CHARACTERISTICS (VIN= Vo+1V, CIN=0.33F, Co=2.2F (2.9V Vo 5V:Co=4.7 F,Vo 2.9V:Co=10 F),Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN TYP MAX Output Voltage Vo Io=30mA -1.0% +1.0% 200 300 Vo5V Version 5V UNIT V A A A mA %/V %/mA V dB ppm/C Vrms V NJM2835 TEST CIRCUIT A VIN *2 IIN VIN VOUT NJM2835 2.2F*2 0.33F IOUT V VOUT GND (ceramic) 2.9 VIN 0.33F *3 2.9 VOUT VOUT 2.2F*3 NJM2835 GND Input Capacitance CIN Input Capacitance CIN is required to prevent oscillation and reduce power supply ripple for applications with high power supply impedance or a long power supply line. Use the CIN value of 0.33F greater to avoid the problem. CIN should connect between GND and VIN as short as possible. NJM2835 TYPICAL CHARACTERISTICS DC CHARACTERISTICS (3V Version) 3.2 NJM2835_3.0V Output Voltage vs. Input Voltage @:Ta=25 C Co=4.7F(Ceramic) o 4 NJM2835_3.0V Output Voltage vs. Output Current 3.5 3.1 3 Output Voltage : Vo(V) Output Voltage : Vo(V) 3 Io=0A 2.5 2 2.9 1.5 Io=100mA 2.8 1 @:Ta=25 C VIN=4.0V Co=4.7F(Ceramic) 0 200 400 600 800 1000 o 0.5 Io=300mA 2.7 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 0 Input Voltage : VIN(V) Output Current : Io(mA) NJM2835_3.0V Ground Pin Current v.s. Output Current 30 @:Ta=25 C VIN=4.0V Co=4.7F(Ceramic) o 0.35 NJM2835_3.0V Dropout Voltage vs. Output Current @:Ta=25oC Co=4.7F(Ceramic) 25 0.3 Ground Pin Current : GND (mA) I 20 Dropout Voltage:dVI-O (V) 0.25 0.2 15 0.15 10 0.1 5 0.05 0 0 100 200 300 400 500 600 700 0 0 100 200 300 400 500 600 700 Output Current : IO(mA) Output Current:Io(mA) 0 NJM2835_3.0V Load Regulation vs. Output Current 1500 1350 1200 NJM2835_3.0V Peak Output Current vs. Input Voltage -10 Load Regulation : dVo/dIo(mV) -20 Peak Output Current : Io MAX(mA) 1050 900 750 600 450 300 150 0 @:Ta=25 C Co=4.7F(Ceramic) 4 6 8 10 12 14 16 18 o -30 -40 -50 -60 @:Ta=25 C VIN=4.0V Co=4.7F(Ceramic) 0 100 200 300 400 500 600 700 o -70 -80 Output Current : Io(mA) Input Voltage : VIN(V) NJM2835 DC CHARACTERISTICS (3V Version) NJM2835_3.0V Quiescent Current v.s. Input Voltage 2000 @:Ta=25 C Output is open. Co=4.7F(Ceramic) 1500 o Quiescent Current : I (uA) Q 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) AC CHARACTERISTICS (3V Version) 100 NJM2835_3.0V Output Noise Voltage vs. Output Current @:Ta=25 C VIN=4.0V LPF:80kHz Co=4.7F(Ceramic) o NJM2835_3.0V Ripple Rejection Ratio v.s. Frequency 100 Io=10mA Io=0mA 90 Output Noise Voltage : Vn(uVrms) Ripple Rejection Ratio : RR (dB) 80 80 60 70 Io=30mA 60 40 50 40 @:Ta=25oC VIN=4.0V ein=200mVrms Co=4.7F(Ceramic) 10 10 100 100 1k 1000 4 10k 10 5 100k 10 20 30 0 0.001 0.01 0.1 1 10 100 1000 20 Output Current : Io(mA) Frequency : f (Hz) NJM2835_3.0V Ripple Rejection vs. Output Current 100 NJM2835_3.0V Equivalent Serise Resistance vs. Output Current 100 @:Ta=25oC VIN=4V Co=4.7F(Ceramic) 90 Ripple Rejection : RR (dB) 80 Equivalent Serise Resistance : ESR( ) f=1kHz 10 70 f=10kHz 60 1 STABLE REGION 50 40 @:Ta=25 C VIN=4.0V ein=200mVrms Co=4.7F(Ceramic) 0.01 0.1 1 10 100 1000 o 0.1 30 20 0.001 0.02 1u 10u 100u 1m 10m 100m 700m Output Current : Io(mA) Output Current : Io(A) NJM2835 TYPICAL CHARACTERISTICS TEMPERATURE CHARACTERISTICS (3V Version) 0.4 NJM2835_3.0V Dropout Voltage v.s. Temperature @:Io=300mA Co=4.7F(Ceramic) 3.1 NJM2835_3.0V Output Voltage v.s. Tem perature @:VIN=4V Io=30mA Co=4.7F(Ceramic) 0.35 0.3 3.05 Dropout Voltage:dV (V) I-O 0.25 0.2 Output Voltage Vo (V) -50 0 50 100 o 3 0.15 0.1 2.95 0.05 0 150 2.9 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature Ta ( C) NJM2835_3.0V Quiescent Current v.s. Temperature 250 0.1 NJM2835_3.0V Line Regulation v.s. Temperature @:dVIN=4-9V Io=30mA Co=4.7F(Ceramic) 200 Line Regulation : dVo/dIo (%/V) @:VIN=4V Output is open. Co=4.7F(Ceramic) -50 0 50 100 o 0.05 Quiescent Current : I (uA) Q 150 0 100 -0.05 50 0 150 -0.1 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) NJM2835_3.0V Load Regulation v.s. Temperature 0.03 @:VIN=4V Io=0-500mA Co=4.7F(Ceramic) 0.025 4 NJM2835_3.0V Output Voltage v.s. Tem perature 3.5 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=4.7F(Ceramic) -50 0 50 100 o 0 -50 0 50 100 o 0 150 150 200 Temperature : Ta ( C) Temperature Ta ( C) NJM2835 TYPICAL CHARACTERISTICS TEMPERATURE CHARACTERISTICS (3V Version) NJM2835_3.0V Short Circuit Current v.s. Temperature 400 @:VIN=4V Output is short to ground. Co=4.7F(Ceramic) 350 Short Circuit Current : SC (mA) I 300 250 200 150 100 50 0 -50 0 50 100 o 150 Temperature : Ta ( C) TYPICAL CHARACTERISTICS TRANSIENT RESPONSE (3V Version) NJM2835_3.0V Load Transient Response 3.08 3.06 3.04 Output Voltage : Vo [V] 3.02 3 2.98 2.96 2.94 2.92 0 40 80 120 Time : t [s] 160 Output Current 600 500 Output Current : Io [mA] 400 300 200 100 0 -100 -200 200 NJM2835_3.0V Line Transient Response 3.1 3.08 3.06 3.04 3.02 3 Output Voltage 2.98 o 6 5 Input Voltage 4 3 2 1 0 @:Ta=25 C Co=4.7 mF(Ceramic) -1 Io=30mA 0 40 80 120 Time : t [ s ] 160 -2 200 Output Voltage @:Ta=25 C V IN=4V Co=4.7F(Ceramic) o Output Voltage : Vo [V] 2.96 2.94 Input Voltage: VIN [V] NJM2835 TYPICAL CHARACTERISTICS DC CHARACTERISTICS (8.5V Version) 8.6 NJM2835_8.5V Output Voltage vs. Input Voltage @:Ta=25 C Co=2.2F(Ceramic) o NJM2835_8.5V Ground Pin Current v.s. Output Current 30 @:Ta=25 C VIN=9.5V Co=2.2F(Ceramic) o 8.55 25 Io=0A Ground Pin Current : GND (mA) I 8.7 8.8 8.9 8.5 Output Voltage : Vo(V) 8.45 20 8.4 15 8.35 Io=100mA 8.3 Io=300mA 10 8.25 5 8.2 8.2 8.3 8.4 8.5 8.6 0 0 100 200 300 400 500 600 700 Input Voltage : VIN(V) Output Current : IO(mA) 0.35 NJM2835_8.5V Dropout Voltage vs. Output Current @:Ta=25oC Co=2.2F(Ceramic) 0 NJM2830_8.5V Load Regulation vs. Output Current @:Ta=25 C VIN=9.5V Co=2.2F(Ceramic) o 0.3 -30 Dropout Voltage:dVI-O (V) 0.25 Load Regulation : dVo/dIo(mV) 0.2 -60 0.15 -90 0.1 -120 0.05 0 0 100 200 300 400 500 600 700 -150 0 100 200 300 400 500 600 700 Output Current:Io(mA) Output Current : Io(mA) 1500 1350 1200 NJM2835_8.5V Peak Output Current vs. Input Voltage 10 NJM2835_8.5V Output Voltage vs. Output Current 8 Peak Output Current : Io MAX(mA) 1050 900 750 600 450 300 150 0 8 10 12 14 16 18 @:Ta=25 oC Co=2.2F(Ceramic) 0 0 200 400 600 800 1000 Output Voltage : Vo(V) 6 4 2 @:Ta=25oC VIN=9.5V Co=2.2F(Ceramic) Input Voltage : VIN(V) Output Current : Io(mA) NJM2835 TYPICAL CHARACTERISTICS DC CHARACTERISTICS (8.5V Version) NJM2835_8.5V Quiescent Current v.s. Input Voltage 2000 @:Ta=25 C Output is open. Co=2.2F(Ceramic) 1500 o Quiescent Current : I (uA) Q 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) AC CHARACTERISTICS (8.5V Version) 200 NJM2835_8.5V Output Noise Voltage vs. Output Current @:Ta=25oC VIN=9.5V LPF:80kHz Co=2.2F(Ceramic) NJM2835_8.5V Ripple Rejection Ratio v.s. Frequency 100 90 Io=10mA Io=0mA Output Noise Voltage : Vn(uVrms) 150 Ripple Rejection Ratio : RR (dB) 80 70 100 60 Io=30mA 50 50 40 @:Ta=25oC VIN=9.5V ein=200mVrms Co=2.2F(Ceramic) 10 10 100 100 1k 1000 4 10k 10 5 100k 10 30 0 0.001 0.01 0.1 1 10 100 1000 20 Output Current : Io(mA) Frequency : f (Hz) NJM2835_8.5V Ripple Rejection vs. Output Current 100 NJM2835_8.5V Equivalent Serise Resistance vs. Output Current 100 @:Ta=25 C VIN=9.5V Co=2.2F(Ceramic) o 90 f=1kHz Ripple Rejection : RR (dB) 80 Equivalent Serise Resistance : ESR( ) 10 70 60 f=10kHz 50 1 STABLE REGION 40 @:Ta=25oC VIN=9.5V ein=200mVrms Co=2.2F(Ceramic) 0.01 0.1 1 10 100 1000 0.1 30 20 0.001 1u 10u 100u 1m 10m 100m 700m Output Current : Io(mA) Output Current : Io(A) NJM2835 TYPICAL CHARACTERISTICS TEMPERATURE CHARACTERISTICS (8.5V Version) 0.4 NJM2835_8.5V Dropout Voltage v.s. Temperature @:Io=300mA Co=2.2F(Ceramic) 8.7 NJM2835_8.5V Output Voltage v.s. Tem perature @:VIN=9.5V Io=30mA Co=2.2F(Ceramic) 0.35 0.3 8.6 Dropout Voltage:dV (V) I-O 0.25 0.2 Output Voltage Vo (V) -50 0 50 100 o 8.5 0.15 0.1 8.4 0.05 0 150 8.3 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature Ta ( C) NJM2835_8.5V Line Regulation v.s. Temperature 0.1 @:dVIN=9.5-14.5V Io=30mA Co=2.2F(Ceramic) 0.05 0.03 NJM2835_8.5V Load Regulation v.s. Temperature @:VIN=9.5V Io=0-500mA Co=2.2F(Ceramic) 0.025 Load Regulation : dVo/dIo (%/mA) Line Regulation : dVo/dIo (%/V) 0.02 0 0.015 0.01 -0.05 0.005 -0.1 -50 0 50 100 o 0 150 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) 10 NJM2835_8.5V Output Voltage v.s. Tem perature NJM2830_8.5V Short Circuit Current v.s. Temperature 400 @:VIN=9.5V Output is short to ground. Co=2.2F(Ceramic) 350 8 Short Circuit Current : SC (mA) I @:VIN=9.5V Io=30mA Co=2.2F(Ceramic) -50 0 50 100 o 300 Output Voltage Vo (V) 6 250 200 4 150 100 2 50 0 150 200 0 -50 0 50 100 o 150 Temperature Ta ( C) Temperature : Ta ( C) NJM2835 TYPICAL CHARACTERISTICS TRANSIENT RESPONSE (8.5V Version) NJM2835_8.5V Load Transient Response 8.58 8.56 Output Current Output Current : Io [mA] 8.54 Output Voltage : Vo [V] 8.52 8.5 8.48 Output Voltage 8.46 8.44 8.42 0 40 80 120 Time : t [S] 160 @:Ta=25 C VIN=9.5V Co=4.7F(Ceramic) o NJM2835_8.5V Line Transient Response 600 500 400 300 200 100 0 -100 -200 200 3.1 3.08 3.06 Output Voltage : Vo [V] 3.04 3.02 3 Output Voltage 2.98 2.96 2.94 0 40 80 120 Time : t [ s] 160 @:Ta=25 C Co=4.7F(Ceramic) Io=30mA o 6 5 4 3 2 1 0 -1 -2 200 Input Voltage : V IN [V] Input Voltage NJM2835 TYPICAL CHARACTERISTICS DC CHARACTERISTICS (15V Version) 15.1 NJM2835_15V Output Voltage vs. Input Voltage @:Ta=25 oC Co=2.2F(Ceramic) 20 NJM2835_15V Output Voltage vs. Output Current 15.05 15 Io=0A 15 Output Voltage : Vo(V) 14.95 Output Voltage : Vo(V) 14.9 10 14.85 Io=100mA 14.8 Io=300mA 5 @:Ta=25 oC VIN=16V Co=2.2F(Ceramic) 0 14.75 14.7 14.7 14.8 14.9 15 15.1 15.2 15.3 15.4 0 200 400 600 800 1000 Input Voltage : VIN(V) Output Current : Io(mA) NJM2835_15V Ground Pin Current v.s. Output Current 30 @:Ta=25 C VIN=16.0V Co=2.2F(Ceramic) o 0.35 o NJM2835_15V Dropout Voltage vs. Output Current @:Ta=25 C Co=2.2F(Ceramic) 25 0.3 Ground Pin Current : GND (mA) I 20 Dropout Voltage:dVI-O (V) 0.25 0.2 15 0.15 10 0.1 5 0.05 0 0 100 200 300 400 500 600 700 0 0 100 200 300 400 500 600 700 Output Current : IO(mA) Output Current:Io(mA) 0 NJM2835_15V Load Regulation vs. Output Current @:Ta=25oC VIN=16.0V Co=2.2F(Ceramic) 1500 1400 1300 1200 1100 1000 900 800 700 NJM2835_15V Peak Output Current vs. Input Voltage -30 -60 -90 -120 Peak Output Current : Io MAX(mA) Load Regulation : dVo/dIo(mV) @:Ta=25oC Co=2.2F(Ceramic) 15 15.5 16 16.5 17 17.5 18 -150 0 100 200 300 400 500 600 700 600 Output Current : Io(mA) Input Voltage : VIN(V) NJM2835 TYPICAL CHARACTERISTICS DC CHARACTERISTICS (15V Version) NJM2835_15.0V Quiescent Current v.s. Input Voltage 2000 @:Ta=25 oC Output is open. Co=2.2F(Ceramic) 1500 Quiescent Current : I (uA) Q 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) AC CHARACTERISTICS (15V Version) 200 NJM2835_15V Output Noise Voltage vs. Output Current NJM2835_15V Ripple Rejection Ratio v.s. Frequency 100 90 Output Noise Voltage : Vn(uVrms) 150 Ripple Rejection Ratio : RR (dB) 80 Io=10mA Io=0mA 70 100 60 Io=30mA 50 50 @:Ta=25oC VIN=16V LPF:80kHz Co=2.2F(Ceramic) 0 0.001 0.01 0.1 1 10 100 1000 40 @:Ta=25oC VIN=16V ein=200mVrms Co=2.2F(Ceramic) 10 10 100 100 1k 1000 4 10k 10 5 100k 10 30 20 Output Current : Io(mA) Frequency : f (Hz) NJM2835_15V Ripple Rejection vs. Output Current 100 NJM2835_15V Equivalent Serise Resistance vs. Output Current 100 @:Ta=25 C Co=2.2F(Ceramic) VIN=16V o 90 Ripple Rejection : RR (dB) 80 f=1kHz 70 Equivalent Serise Resistance : ESR( ) 10 60 f=10kHz 1 STABLE REGION 50 40 @:Ta=25 C VIN=16V ein=200mVrms Co=2.2F(Ceramic) 0.01 0.1 1 10 100 1000 o 0.1 30 20 0.001 1u 10u 100u 1m 10m 100m 700m Output Current : Io(mA) Output Current : Io(A) NJM2835 TYPICAL CHARACTERISTICS TEMPERATURE CHARACTERISTICS (15V Version) 0.4 NJM2835_15V Dropout Voltage v.s. Temperature @:Io=300mA Co=2.2F(Ceramic) 15.5 NJM2835_15V Output Voltage v.s. Tem perature @:VIN=16V Io=30mA Co=2.2F(Ceramic) 0.35 0.3 15.25 Dropout Voltage:dV (V) I-O 0.25 0.2 Output Voltage Vo (V) -50 0 50 100 o 15 0.15 0.1 14.75 0.05 0 150 14.5 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature Ta ( C) NJM2835_15V Quiescent Current v.s. Temperature 250 0.1 NJM2835_15V Line Regulation v.s. Temperature @:dVIN=16-18V Io=30mA Co=2.2F(Ceramic) 200 Line Regulation : dVo/dIo (%/V) @:VIN=16V Output is open. Co=2.2F(Ceramic) -50 0 50 100 o 0.05 Quiescent Current : I (uA) Q 150 0 100 -0.05 50 0 150 -0.1 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) NJM2835_15V Load Regulation v.s. Temperature 0.03 @:VIN=16V Io=0-500mA Co=2.2F(Ceramic) 0.025 16 NJM2835_15V Output Voltage v.s. Tem perature 14 Load Regulation : dVo/dIo (%/mA) 12 0.02 Output Voltage Vo (V) 10 0.015 8 6 0.01 4 0.005 2 @:VIN=16V Io=30mA Co=2.2F(Ceramic) -50 0 50 100 o 0 -50 0 50 100 o 0 150 150 200 Temperature : Ta ( C) Temperature Ta ( C) NJM2835 TYPICAL CHARACTERISTICS TEMPERATURE CHARACTERISTICS (15V Version) NJM2835_15V Short Circuit Current v.s. Temperature 400 @:VIN=16V Output is short to ground. Co=2.2F(Ceramic) 350 Short Circuit Current : SC (mA) I 300 250 200 150 100 50 0 -50 0 50 100 o 150 Temperature : Ta ( C) TYPICAL CHARACTERISTICS TRANSIENT RESPONSE (15V Version) NJM2835_15.0V Load Transient Response 15.08 15.06 Output Current Output Current : Io [mA] 15.04 Output Voltage : Vo [V] 15.02 15 14.98 Output Voltage 14.96 14.94 14.92 0 40 80 120 Time : t [ s] 160 @:Ta=25 C VIN=16V Co=4.7F(Ceramic) o NJM2835_15V Line Transient Response 600 500 400 300 200 100 0 -100 15.1 15.08 15.06 Output Voltage : Vo [V] 15.04 15.02 15 Output Voltage 14.98 14.96 14.94 0 40 80 120 Time : t [ s] 160 @:Ta=25oC Co=4.7F(Ceramic) Io=30mA 18 17 16 15 14 13 12 11 10 200 -200 200 [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 Input Voltage : VIN [V] Input Voltage |
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