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, 2.2µF small decoupling capacitor, built-in noise bypass capacitor make the NJM2835 suitable for various applications. PACKAGE OUTLINE NJM2835DL1 FEATURES z Output voltage options available 2.1∼15.5V z High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version) z Output Noise Voltage Vno=45µVrms typ. z Output capacitor with 2.2µF ceramic capacitor (Vo≥5.1V) z Output Current Io(max.)=500mA z High Precision Output Vo±1.0% z Low Dropout Voltage 0.18V typ. (Io=300mA) z Internal Thermal Overload Protection z Internal Over Current Protection z Bipolar Technology z Package Outline TO-252-3 PIN CONFIGURATION 2 1 PIN FUNCTION 1.VIN 2.GND 3.VOUT 3 NJM2835DL1 EQUIVALENT CIRCUIT VOUT VIN Thermal Protection Bandgap Reference 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 RATINGS +20 10(Tc≤25°C) 1(Ta≤25°C) -40 ∼ +85 -40 ∼ +150 (Ta=25°C) UNIT V W °C °C ELECTRICAL CHARACTERISTICS (VIN= Vo+1V, CIN=0.33µF, Co=2.2µF (2.9V＜Vo≦5V:Co=4.7μF,Vo≦2.9V:Co=10μF),Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN TYP MAX Output Voltage Vo Io=30mA -1.0% +1.0% 200 300 Vo≤5V Version 5V<Vo≤10V 215 315 Quiescent Current IQ Io=0mA Version 10V<Vo≤15V 230 330 Version Output Current Io Vo-0.3V 500 650 VIN=Vo+1V ∼ Vo+6V(Vo≤12V), 0.10 Line Regulation ∆Vo/∆VIN VIN=Vo+1V ∼ 18V(Vo>12V), Io=30mA Load Regulation 0.007 ∆Vo/∆Io Io=0 ∼ 500mA Io=300mA 0.18 0.28 Dropout Voltage ∆VI-O ein=200mVrms,f=1kHz,Io=10mA Ripple Rejection RR 75 Vo=3V Version Average Temperature Coefficient of Output ∆Vo/∆Ta Ta=0 ∼ 85°C, Io=10mA ± 50 Voltage f=10Hz ∼ 80kHz, Io=10mA, Output Noise Voltage VNO 45 Vo=3V Version Input Voltage VIN 18 (*1): 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. UNIT V µA µA µA mA %/V %/mA V dB ppm/°C µVrms V NJM2835 TEST CIRCUIT A IIN VIN VOUT NJM2835 VIN *2 2.2µF*2 0.33µF IOUT V VOUT (ceramic) GND 2.9<Vo≤5.0V version : Co=4.7µF(ceramic) Vo≤2.9V version : Co=10µF(ceramic) TYPICAL APPLICATION VIN VIN VOUT VOUT NJM2835 0.33µF *3 2.2µF*3 GND 2.9<Vo≤5.0V version : Co=4.7µF Vo≤2.9V version : Co=10µF ¿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 0.33µF greater to avoid the problem. CIN should connect between GND and VIN as short as possible. NJM2835 TYPICAL CHARACTERISTICS ●DC CHARACTERISTICS (3V Version) NJM2835_3.0V Output Voltage vs. Input Voltage 3.2 NJM2835_3.0V Output Voltage vs. Output Current 4 o @:Ta=25 C Co=4.7µF(Ceramic) 3.5 3.1 Output Voltage : Vo(V) Output Voltage : Vo(V) 3 3 Io=0A 2.9 Io=100mA 2.5 2 1.5 1 2.8 o @:Ta=25 C V IN=4.0V Co=4.7µF(Ceramic) 0.5 Io=300mA 2.7 0 2.7 2.8 2.9 3 3.1 3.2 3.3 0 3.4 200 NJM2835_3.0V Ground Pin Current v.s. Output Current 800 1000 @:Ta=25oC Co=4.7µF(Ceramic) o @:Ta=25 C V IN=4.0V Co=4.7µF(Ceramic) 0.3 Dropout Voltage:dVI-O (V) Ground Pin Current : GI ND (mA) 600 NJM2835_3.0V Dropout Voltage vs. Output Current 0.35 30 25 400 Output Current : Io(mA) Input Voltage : VIN(V) 20 15 10 5 0.25 0.2 0.15 0.1 0.05 0 0 0 100 200 300 400 500 600 0 700 100 200 Output Current : IO(mA) NJM2835_3.0V Load Regulation vs. Output Current 0 300 400 500 600 700 Output Current:Io(mA) NJM2835_3.0V Peak Output Current vs. Input Voltage 1500 1350 -10 Peak Output Current : IoMAX(mA) Load Regulation : dVo/dIo(mV) 1200 -20 -30 -40 -50 -60 o @:Ta=25 C VIN=4.0V Co=4.7µF(Ceramic) -70 1050 900 750 600 450 300 o @:Ta=25 C Co=4.7µF(Ceramic) 150 -80 0 0 100 200 300 400 500 Output Current : Io(mA) 600 700 4 6 8 10 12 Input Voltage : VIN(V) 14 16 18 NJM2835 ●DC CHARACTERISTICS (3V Version) NJM2835_3.0V Quiescent Current v.s. Input Voltage 2000 o @:Ta=25 C Output is open. Co=4.7µF(Ceramic) Quiescent Current : IQ (uA) 1500 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) ●AC CHARACTERISTICS (3V Version) NJM2835_3.0V Ripple Rejection Ratio v.s. Frequency NJM2835_3.0V Output Noise Voltage vs. Output Current 100 100 80 60 40 20 80 70 Io=30mA 60 50 40 @:Ta=25oC V IN=4.0V ein=200mVrms Co=4.7µF(Ceramic) 30 0 0.001 0.01 0.1 1 10 100 20 1000 10 10 NJM2835_3.0V Equivalent Serise Resistance vs. Output Current 100 100 Equivalent Serise Resistance : ESR( Ω) Ripple Rejection : RR (dB) f=1kHz 80 70 f=10kHz 50 40 o 30 @:Ta=25 C V IN=4.0V ein=200mVrms Co=4.7µF(Ceramic) 20 0.001 0.01 0.1 5 100k 10 4 10k 10 Frequency : f (Hz) NJM2835_3.0V Ripple Rejection vs. Output Current 60 1k 1000 100 100 Output Current : Io(mA) 90 Io=0mA Io=10mA 90 Ripple Rejection Ratio : RR (dB) Output Noise Voltage : Vn(uVrms) o @:Ta=25 C V IN=4.0V LPF:80kHz Co=4.7µF(Ceramic) @:Ta=25oC V IN=4V Co=4.7µF(Ceramic) 10 STABLE REGION 1 0.1 0.02 1 10 Output Current : Io(mA) 100 1000 1u 10u 100u 1m 10m Output Current : Io(A) 100m 700m NJM2835 TYPICAL CHARACTERISTICS ●TEMPERATURE CHARACTERISTICS (3V Version) NJM2835_3.0V Dropout Voltage v.s. Temperature 0.4 @:Io=300mA Co=4.7µF(Ceramic) 0.35 @:V IN=4V Io=30mA Co=4.7µF(Ceramic) 3.05 Output Voltage Vo (V) 0.3 Dropout Voltage:dVI-O (V) NJM2835_3.0V Output Voltage v.s. Tem perature 3.1 0.25 0.2 0.15 0.1 3 2.95 0.05 0 2.9 -50 0 50 100 150 -50 0 o 50 100 150 o Temperature : Ta ( C) Temperature Ta ( C) NJM2835_3.0V Quiescent Current v.s. Temperature NJM2835_3.0V Line Regulation v.s. Temperature 250 0.1 @:dV IN=4-9V Io=30mA Co=4.7µF(Ceramic) Line Regulation : dVo/dIo (%/V) Quiescent Current : IQ (uA) 200 150 100 50 0.05 0 -0.05 @:VIN=4V Output is open. Co=4.7µF(Ceramic) 0 -0.1 -50 0 50 100 150 -50 0 o 50 100 150 o Temperature : Ta ( C) Temperature : Ta ( C) NJM2835_3.0V Load Regulation v.s. Temperature 0.03 NJM2835_3.0V Output Voltage v.s. Tem perature 4 @:VIN=4V Io=0-500mA Co=4.7µF(Ceramic) 3.5 3 Output Voltage Vo (V) Load Regulation : dVo/dIo (%/mA) 0.025 0.02 0.015 0.01 2.5 2 1.5 1 0.005 @:V IN=4V Io=30mA Co=4.7µF(Ceramic) 0.5 0 0 -50 0 50 100 o Temperature : Ta ( C) 150 -50 0 50 100 o Temperature Ta ( C) 150 200 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=4.7µF(Ceramic) Short Circuit Current : SI C (mA) 350 300 250 200 150 100 50 0 -50 0 50 100 150 o Temperature : Ta ( C) TYPICAL CHARACTERISTICS ●TRANSIENT RESPONSE (3V Version) 3.06 500 Output Current Output Voltage : Vo [V] 3.04 400 3.02 300 3 200 2.98 100 Output Voltage 2.96 o @:Ta=25 C VIN=4V Co=4.7µF(Ceramic) 2.94 2.92 0 40 80 120 Time : t [µ µ s] 160 0 Output Voltage : Vo [V] 600 Output Current : Io [mA] 3.08 3.1 6 3.08 5 3.06 4 Input Voltage 3.04 3 3.02 2 3 1 Output Voltage 0 2.98 o -100 2.96 -200 200 2.94 @:Ta=25 C Co=4.7 mF(Ceramic) -1 Io=30mA 0 40 80 120 Time : t [ µ s ] 160 -2 200 Input Voltage: VIN [V] NJM2835_3.0V Line Transient Response NJM2835_3.0V Load Transient Response NJM2835 TYPICAL CHARACTERISTICS ●DC CHARACTERISTICS (8.5V Version) NJM2835_8.5V Ground Pin Current v.s. Output Current NJM2835_8.5V Output Voltage vs. Input Voltage 8.6 30 o o @:Ta=25 C V IN=9.5V Co=2.2µF(Ceramic) @:Ta=25 C Co=2.2µF(Ceramic) 8.55 Output Voltage : Vo(V) Ground Pin Current : GI ND (mA) 25 8.5 Io=0A 8.45 8.4 8.35 Io=100mA 8.3 20 15 10 5 Io=300mA 8.25 8.2 8.2 8.3 8.4 8.5 8.6 8.7 8.8 0 8.9 0 100 200 NJM2835_8.5V Dropout Voltage vs. Output Current 0.35 300 400 500 600 700 Output Current : IO(mA) Input Voltage : VIN(V) NJM2830_8.5V Load Regulation vs. Output Current 0 @:Ta=25oC Co=2.2µF(Ceramic) o @:Ta=25 C V IN=9.5V Co=2.2µF(Ceramic) 0.3 Load Regulation : dVo/dIo(mV) Dropout Voltage:dVI-O (V) -30 0.25 0.2 0.15 0.1 -60 -90 -120 0.05 0 -150 0 100 200 300 400 500 600 0 700 100 200 Output Current:Io(mA) NJM2835_8.5V Peak Output Current vs. Input Voltage 1500 300 400 500 600 700 Output Current : Io(mA) NJM2835_8.5V Output Voltage vs. Output Current 10 1350 8 1050 Output Voltage : Vo(V) Peak Output Current : IoMAX(mA) 1200 900 750 600 450 300 6 4 2 @:Ta=25oC V IN=9.5V Co=2.2µF(Ceramic) @:Ta=25 oC Co=2.2µF(Ceramic) 150 0 0 8 10 12 14 Input Voltage : VIN(V) 16 18 0 200 400 600 Output Current : Io(mA) 800 1000 NJM2835 TYPICAL CHARACTERISTICS ●DC CHARACTERISTICS (8.5V Version) NJM2835_8.5V Quiescent Current v.s. Input Voltage 2000 o @:Ta=25 C Output is open. Co=2.2 µF(Ceramic) Quiescent Current : IQ (uA) 1500 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) ●AC CHARACTERISTICS (8.5V Version) 100 @:Ta=25oC V IN=9.5V LPF:80kHz Co=2.2µF(Ceramic) 90 150 100 50 80 70 60 Io=30mA 50 40 @:Ta=25oC V IN=9.5V ein=200mVrms Co=2.2µF(Ceramic) 30 0 0.001 0.01 0.1 Io=0mA Io=10mA Ripple Rejection Ratio : RR (dB) Output Noise Voltage : Vn(uVrms) NJM2835_8.5V Ripple Rejection Ratio v.s. Frequency NJM2835_8.5V Output Noise Voltage vs. Output Current 200 1 10 100 20 1000 10 10 1k 1000 100 100 5 100k 10 4 10k 10 Output Current : Io(mA) Frequency : f (Hz) NJM2835_8.5V Ripple Rejection vs. Output Current NJM2835_8.5V Equivalent Serise Resistance vs. Output Current 100 100 o @:Ta=25 C V IN=9.5V Co=2.2µF(Ceramic) Equivalent Serise Resistance : ESR(Ω ) Ripple Rejection : RR (dB) 90 f=1kHz 80 70 60 f=10kHz 50 40 30 @:Ta=25oC V IN=9.5V ein=200mVrms Co=2.2µF(Ceramic) 20 0.001 0.01 0.1 1 10 Output Current : Io(mA) 100 1000 10 STABLE REGION 1 0.1 1u 10u 100u 1m 10m Output Current : Io(A) 100m 700m NJM2835 TYPICAL CHARACTERISTICS ●TEMPERATURE CHARACTERISTICS (8.5V Version) NJM2835_8.5V Dropout Voltage v.s. Temperature 0.4 @:Io=300mA Co=2.2µF(Ceramic) 0.35 @:V IN=9.5V Io=30mA Co=2.2µF(Ceramic) 8.6 Output Voltage Vo (V) 0.3 Dropout Voltage:dVI-O (V) NJM2835_8.5V Output Voltage v.s. Tem perature 8.7 0.25 0.2 0.15 0.1 8.5 8.4 0.05 0 8.3 -50 0 50 100 150 -50 0 50 o 150 Temperature Ta ( C) NJM2835_8.5V Line Regulation v.s. Temperature NJM2835_8.5V Load Regulation v.s. Temperature 0.03 0.1 @:VIN=9.5V Io=0-500mA Co=2.2µF(Ceramic) @:dV IN=9.5-14.5V Io=30mA Co=2.2µF(Ceramic) 0.025 Load Regulation : dVo/dIo (%/mA) Line Regulation : dVo/dIo (%/V) 100 o Temperature : Ta ( C) 0.05 0 -0.05 0.02 0.015 0.01 0.005 -0.1 0 -50 0 50 100 -50 150 0 o 100 150 Temperature : Ta ( C) NJM2830_8.5V Short Circuit Current v.s. Temperature NJM2835_8.5V Output Voltage v.s. Tem perature 10 50 o Temperature : Ta ( C) 400 350 @:VIN=9.5V Output is short to ground. Co=2.2µF(Ceramic) Short Circuit Current : SI C (mA) Output Voltage Vo (V) 8 6 4 2 @:V IN=9.5V Io=30mA Co=2.2µF(Ceramic) 300 250 200 150 100 50 0 0 -50 0 50 100 o Temperature Ta ( C) 150 200 -50 0 50 100 o Temperature : Ta ( C) 150 NJM2835 TYPICAL CHARACTERISTICS ●TRANSIENT RESPONSE (8.5V Version) NJM2835_8.5V Line Transient Response NJM2835_8.5V Load Transient Response 600 3.1 6 500 3.08 5 8.54 400 3.06 8.52 300 8.5 200 8.58 8.56 8.46 o @:Ta=25 C VIN=9.5V Co=4.7µF(Ceramic) 8.44 8.42 0 40 80 120 Time : t [µ µ S] 160 0 4 Input Voltage 3.04 3 3.02 2 1 3 Output Voltage 0 2.98 o -100 2.96 -200 200 2.94 @:Ta=25 C Co=4.7µF(Ceramic) Io=30mA 0 40 80 120 Time : t [ µ s] 160 -1 -2 200 Input Voltage : V IN [V] 100 Output Voltage Output Voltage : Vo [V] 8.48 Output Current : Io [mA] Output Voltage : Vo [V] Output Current NJM2835 TYPICAL CHARACTERISTICS ●DC CHARACTERISTICS (15V Version) NJM2835_15V Output Voltage vs. Input Voltage 15.1 @:Ta=25 oC Co=2.2µF(Ceramic) 15.05 15 15 Io=0A Output Voltage : Vo(V) Output Voltage : Vo(V) NJM2835_15V Output Voltage vs. Output Current 20 14.95 14.9 14.85 Io=100mA 14.8 10 5 Io=300mA 14.75 14.7 14.7 @:Ta=25 oC V IN=16V Co=2.2µF(Ceramic) 0 14.8 14.9 15 15.1 15.2 15.3 15.4 0 200 400 NJM2835_15V Ground Pin Current v.s. Output Current 30 o @:Ta=25 C V IN=16.0V Co=2.2µF(Ceramic) o Dropout Voltage:dVI-O (V) Ground Pin Current : GI ND (mA) 1000 @:Ta=25 C Co=2.2µF(Ceramic) 0.3 20 15 10 5 0.25 0.2 0.15 0.1 0.05 0 0 0 100 200 300 400 500 600 0 700 100 Output Current : IO(mA) 300 400 500 600 700 NJM2835_15V Peak Output Current vs. Input Voltage 1500 @:Ta=25oC VIN=16.0V Co=2.2µF(Ceramic) 1400 Peak Output Current : IoMAX(mA) -30 200 Output Current:Io(mA) NJM2835_15V Load Regulation vs. Output Current 0 Load Regulation : dVo/dIo(mV) 800 NJM2835_15V Dropout Voltage vs. Output Current 0.35 25 600 Output Current : Io(mA) Input Voltage : VIN(V) -60 -90 -120 1300 1200 1100 1000 900 800 @:Ta=25oC Co=2.2µF(Ceramic) 700 -150 600 0 100 200 300 400 500 Output Current : Io(mA) 600 700 15 15.5 16 16.5 17 Input Voltage : VIN(V) 17.5 18 NJM2835 TYPICAL CHARACTERISTICS ●DC CHARACTERISTICS (15V Version) NJM2835_15.0V Quiescent Current v.s. Input Voltage 2000 @:Ta=25 oC Output is open. Co=2.2µF(Ceramic) Quiescent Current : IQ (uA) 1500 1000 500 0 0 4 8 12 16 Input Voltage : VIN(V) ●AC CHARACTERISTICS (15V Version) NJM2835_15V Ripple Rejection Ratio v.s. Frequency NJM2835_15V Output Noise Voltage vs. Output Current 200 100 Ripple Rejection Ratio : RR (dB) Output Noise Voltage : Vn(uVrms) 90 150 100 50 @:Ta=25oC V IN=16V LPF:80kHz Co=2.2µF(Ceramic) 0 0.001 0.01 0.1 1 10 100 Io=10mA 80 70 60 Io=30mA 50 40 @:Ta=25oC V IN=16V ein=200mVrms Co=2.2µF(Ceramic) 30 20 1000 Io=0mA 10 10 1k 1000 100 100 5 100k 10 4 10k 10 Output Current : Io(mA) Frequency : f (Hz) NJM2835_15V Ripple Rejection vs. Output Current NJM2835_15V Equivalent Serise Resistance vs. Output Current 100 100 o @:Ta=25 C Co=2.2µF(Ceramic) V IN=16V Equivalent Serise Resistance : ESR(Ω ) Ripple Rejection : RR (dB) 90 80 f=1kHz 70 60 f=10kHz 50 40 o 30 @:Ta=25 C V IN=16V ein=200mVrms Co=2.2µF(Ceramic) 20 0.001 0.01 0.1 1 10 Output Current : Io(mA) 100 1000 10 STABLE REGION 1 0.1 1u 10u 100u 1m 10m Output Current : Io(A) 100m 700m NJM2835 TYPICAL CHARACTERISTICS ●TEMPERATURE CHARACTERISTICS (15V Version) NJM2835_15V Dropout Voltage v.s. Temperature 0.4 @:Io=300mA Co=2.2µF(Ceramic) 0.35 @:V IN=16V Io=30mA Co=2.2µF(Ceramic) 15.25 Output Voltage Vo (V) 0.3 Dropout Voltage:dVI-O (V) NJM2835_15V Output Voltage v.s. Tem perature 15.5 0.25 0.2 0.15 0.1 15 14.75 0.05 0 14.5 -50 0 50 100 150 -50 0 50 o 100 150 o Temperature : Ta ( C) Temperature Ta ( C) NJM2835_15V Quiescent Current v.s. Temperature NJM2835_15V Line Regulation v.s. Temperature 250 0.1 @:dV IN=16-18V Io=30mA Co=2.2µF(Ceramic) Line Regulation : dVo/dIo (%/V) Quiescent Current : IQ (uA) 200 150 100 50 0.05 0 -0.05 @:V IN=16V Output is open. Co=2.2µF(Ceramic) 0 -0.1 -50 0 50 100 150 -50 0 o 50 100 150 o Temperature : Ta ( C) Temperature : Ta ( C) NJM2835_15V Load Regulation v.s. Temperature 0.03 NJM2835_15V Output Voltage v.s. Tem perature 16 @:VIN=16V Io=0-500mA Co=2.2µF(Ceramic) 14 12 Output Voltage Vo (V) Load Regulation : dVo/dIo (%/mA) 0.025 0.02 0.015 0.01 10 8 6 4 0.005 @:V IN=16V Io=30mA Co=2.2µF(Ceramic) 2 0 0 -50 0 50 100 o Temperature : Ta ( C) 150 -50 0 50 100 o Temperature Ta ( C) 150 200 NJM2835 TYPICAL CHARACTERISTICS ●TEMPERATURE CHARACTERISTICS (15V Version) NJM2835_15V Short Circuit Current v.s. Temperature 400 @:VIN=16V Output is short to ground. Co=2.2µF(Ceramic) Short Circuit Current : SI C (mA) 350 300 250 200 150 100 50 0 -50 0 50 100 150 o Temperature : Ta ( C) TYPICAL CHARACTERISTICS ●TRANSIENT RESPONSE (15V Version) NJM2835_15V Line Transient Response NJM2835_15.0V Load Transient Response 600 15.1 18 500 15.08 17 15.04 400 15.06 15.02 300 15 200 15.08 15.06 14.96 0 o @:Ta=25 C VIN=16V Co=4.7µF(Ceramic) 14.94 14.92 0 40 80 120 Time : t [µ µ s] 160 16 Input Voltage 15.04 15 15.02 14 15 13 Output Voltage 14.98 -100 14.96 -200 200 14.94 Input Voltage : VIN [V] 100 Output Voltage Output Voltage : Vo [V] 14.98 Output Current : Io [mA] Output Voltage : Vo [V] Output Current 12 @:Ta=25oC Co=4.7µF(Ceramic) Io=30mA 0 40 80 120 Time : t [ µ s] 160 11 10 200 [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