NJM2386/88 LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL ! GENERAL DESCRIPTION The NJM2388 is low dropout voltage regulator with ON/OFF control. The output current is up to 1.0A and dropout voltage is 0.2V typ. at Io=0.5A. The NJM2388 is suitable for power module, TV, Display, car stereo and low power applications. ! PACKAGE OUTLINE NJM2386DL2 NJM2388F ! FEATURE " Low Dropout Voltage 0.2V typ. at Io=0.5A " Output Current Io(max.)=1.0A " ON/OFF Control (Active High) " Internal Short Circuit Current Limit " Internal Thermal Overload Protection " Bipolar Technology " Package Outline TO-252-5(NJM2386), TO-220F-4(NJM2388) ! PIN CONFIGURATION 3 123 45 PIN FUNCTION 1. VIN 2. ON/OFF CONTROL 3. VOUT 4. N.C. 5. GND NJM2386DL2 PIN FUNCTION 1. VIN 2. VOUT 3. GND 4. ON/OFF CONTROL 123 4 NJM2388F ! EQUIVALENT CIRCUIT VIN VOUT Bandgap Reference Cont ON/OFF control Over Voltage Protection Thermal Protection Over Current Protection GND Ver.2004-06-21 -1- NJM2386/88 ! OUTPUT VOLTAGE RANK LIST Device Name VOUT NJM2386DL2-33 3.3V NJM2386DL2-05 5.0V NJM2386DL2-63 6.3V NJM2386DL2-08 8.0V NJM2386DL2-09 9.0V NJM2386DL2-12 12.0V Device Name NJM2388F33 NJM2388F05 NJM2388F63 NJM2388F08 NJM2388F84 NJM2388F09 NJM2388F12 VOUT 3.3V 5.0V 6.3V 8.0V 8.4V 9.0V 12.0V ! ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Control Voltage Output Current (Ta=25°C) SYMBOL RATINGS UNIT VIN +35 V VCONT +35(*1) V Io 1.0 A NJM2386 10(Tc≤25°C) / 1(Ta≤25°C) W Power Dissipation PD NJM2388 18(Tc<50°C) Operating Junction Temperature Range Tj -40 ∼ +150 °C Operating Temperature Range Topr -40 ∼ +85 °C Storage Temperature Range Tstg -50 ∼ +150 °C (*1): When input voltage is less than +35V, the absolute maximum control voltage is equal to the input voltage. ! ELECTRICAL CHARACTERISTICS (VIN=VO+1V, Io=0.5A, CIN=0.33µF, Co=22µF, Ta=25°C) Measurement is to be conducted is pulse testing. PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage Vo VIN=VO+1V -2% +2% V Line Regulation 0.04 0.16 %/V ∆Vo-VIN VIN=VO+1V ∼ VO+17V Load Regulation 0.2 1.4 %/A ∆Vo-Io VIN=VO+2V,Io=0A ∼1.0A Average Temperature ∆Vo/∆T Tj=0 ∼ +125°C ± 0.02 %/°C Coefficient of Output Voltage Quiescent Current IQ Io=0A 5 mA Dropout Voltage Io=0.5A 0.2 0.5 V ∆VI-O NJM238**33 54 67 NJM238**05 54 67 NJM238**63 54 67 Ripple Rejection NJM238**08 VIN=VO+2V, 52 65 RR dB ein=0.5Vrms,f=120Hz NJM238**84 52 65 NJM238**09 52 65 NJM238**12 50 63 ON Control Voltage VCONT(ON) 2.0(*2) V OFF Control Voltage VCONT(OFF) 0.4 V ON Control Current 20 ICONT(ON) VC=2.7V µA OFF Control Current -20 ICONT(OFF) VC=0.4V µA (*2): When ON/OFF CONTROL Terminal is open, Output Voltage is ON. -2- Ver.2004-06-21 NJM2386/88 ! THERMAL CHARACTERISTICS θja θjc Junction-to-Ambient Temperature Junction to case Thermal Resistance NJM2386 NJM2388 (TO-252-5) (TO-220F-4) 125 12.5 60 5 °C/W ! POWER DISSIPATION vs. AMBIENT TEMPERATURE NJM2386DL2 (Topr=-40~+85°C,Tj=~+150°C,PD=10W(TC≤25°C),PD=1W(Ta≤25°C)) Power Dissipation PD(W) 12 10 Infinuit Heat Sink 8 θHS=5°C/W 6 θHS=10°C/W θHS=20°C/W 4 2 Without Heat Sink 0 -50 -25 0 25 50 75 100 75 100 Ambient Temperature Ta(°C) NJM2388F (Topr=-40~+85°C,Tj=~+150°C,PD=18W(TC<50°C)) Power Dissipation PD(W) 20 18 Infinuit Heat Sink 16 14 12 10 8 6 4 Without Heat Sink 2 0 -50 -25 0 25 50 Ambient Temperature Ta(°C) ! TEST CIRCUIT VIN VOUT NJM2386/88 GND VIN + + 0.33µF Io A Control IQ A A IC 22µF V Vo RL VC Ver.2004-06-21 -3- NJM2386/88 ! TYPICAL APPLICATION 1 In the case where ON/OFF Control is not required: VIN VIN V OUT V OUT + + 0.33µ F 22µ F NJM2386 / 88 CONTROL GND Connect control terminal to VIN terminal or open. 2 In use of ON/OFF CONTROL: VIN VIN V OUT V OUT + + 0.33µ F RC NJM2386 / 88 22µ F CONTROL GND State of control terminal: •“H” or “open” → output is enabled. •“L” → output is disabled. -4- Ver.2004-06-21 NJM2386/88 ! TYPICAL CHARACTERISTICS NJM2386/88_5.0V Output Voltage vs. Input Voltage 6 NJM2386/88_5.0V Output Voltage vs. Output Current 6 6 o @:Ta=25 C Co=22uF 5 5 4 4 Output Voltage : Vo(V) Output Voltage : Vo(V) 5.5 5 Io=0A 4.5 VIN=Vo+1 3 3 VIN=Vo+12 2 2 VIN=35V 1 Io=0.5A 1 o @:Ta=25 C Co=22uF Io=1A 4 4 4.5 5 5.5 0 6 0 0.5 500 NJM2386/88_5.0V Ground Pin Current vs. Output Current 30 2 2000 0 2.5 2500 @:Ta=25oC Co=22uF o 0.8 Dropout Voltage:dVI-O (V) Ground Pin Current : IGND (mA) 1.5 1500 NJM2386/88_5.0V Dropout Voltage vs. Output Current 1 @:Ta=25 C VIN=6V Co=22uF 25 1 1000 Output Current : Io(A) Input Voltage : VIN(V) 20 15 10 0.6 0.4 0.2 5 0 0 0 0.5 1 0 1.5 0.5 Output Current : IO(A) NJM2386/88_5.0V Control Current vs. Control Voltage 0 1 1.5 Output Current:Io(A) NJM2386/88_5.0V Output Voltage vs. Control Voltage 6 o @:Ta=25 C VIN=6V Co=22uF Io=0.5A Output Voltage : Vo(V) Rc=0Ω, 50kΩ, 100kΩ Control Current : I Cont (uA) 5 -0.5 -1 3 Rc=0Ω 2 Rc=50Ω -1.5 o @:Ta=25 C VIN=6V Co=22uF Io=0.5A Rc=100kΩ 1 0 -2 0 1 2 3 Control Voltage : V Cont Ver.2004-06-21 4 (V) 0 0.5 1 1.5 Control Voltage : V Cont 2 (V) -5- NJM2386/88 ! TYPICAL CHARACTERISTICS NJM2386/88_5.0V Load Regulation vs. Output Current 3 2 2.5 Peak Output Current : IoMAX(A) Load Regulation : dVo/dIo(mV) NJM2386/88_5.0V Peak Output Current vs. Input Voltage 3 1 0 -1 -2 2 1.5 1 0.5 o @:Ta=25 C VIN=6.0V Co=22uF o @:Ta=25 C Co=22uF -3 0 0 0.5 1 1.5 5 10 15 Output Current : Io(A) NJM2386/88_5.0V Quiescent Current vs. Input Voltage 50 20 25 30 500 NJM2386/88_5.0V Output Noise Voltage vs. Output Current o @:Ta=25 C Output is open. Co=22uF o Output Noise Voltage : Vn(uVrms) Quiescent Current : IQ (mA) 40 30 20 10 0 0 5 10 15 20 25 30 NJM2386/88_5.0V Ripple Rejection Ratio vs. Frequency 200 100 100 0.001 1 0.01 10 1 1000 0.1 100 NJM2386/88_5.0V Ripple Rejection Ratio vs. Output Current Io=0.1A Io=0A Ripple Rejection Ratio: RR (dB) Ripple Rejection Ratio: RR (dB) 300 90 80 Io=0.5A 70 60 Io=1A 50 40 o @:Ta=25 C VIN=7V e IN=500mVrms Co=22uF 30 10 10 100 100 80 70 60 50 40 o @:Ta=25 C VIN=7V e IN=500mVrms f=120Hz Co=22uF 30 1k 1000 Frequency : f (Hz) -6- 400 Output Current : Io(A) 90 20 @:Ta=25 C VIN=6V LPF:80kHz Co=22uF 0 0.0001 0.1 35 Input Voltage : VIN(V) 100 35 Input Voltage : VIN(V) 4 10k 10 5 100k 10 20 0.001 1u 0.01 10u 0.1 100u 1 1m 10 10m 100 100m 1000 1 Output Current : Io(A) Ver.2004-06-21 NJM2386/88 ! TYPICAL CHARACTERISTICS NJM2386/88_5.0V Output Noise Peak Value of Spectrum vs Output Current NJM2386/88_5.0V Dropout Voltage vs. Temperature 0.3 1000 o @:Ta=25 C Co=22uF V =6V 0.25 Dropout Voltage : dV (V) ESR=0.1Ω I-O Output Noise Peak Value of Spectrum : Vn_peak(uV) IN 800 600 ESR=0.2Ω 400 ESR=100Ω 200 ESR=0.5Ω 0.2 0.15 0.1 0.05 ESR=1Ω 0 -6 10 10 -5 0.0001 0.001 0.01 @:Io=0.5A Co=22uF 0.1 0 -50 1 0 50 NJM2386/88_5.0V Output Voltage vs. Temperature 5.2 @:VIN=6V Io=0.5A Co=22uF 5.1 1.5 Output Voltage : Vo(V) Control Voltage :Vcont-off [V] @:VIN=6V Io=0.5A Co=22uF 1 5 4.9 0.5 4.8 0 -50 0 50 100 -50 150 0 50 150 Temperature : Ta ( C) Temperature : Ta ( C) NJM2386/88_5.0V Quiescent Current vs. Input Voltage 3 100 o o NJM2386/88_5.0V Line Regulation vs. Temperature 0.1 @:VIN=6-22V Io=0.5A Co=22uF Line Regulation : dVo/dIo(%/V) 2.5 Quiescent Current : IQ (mA) 150 Temperature : Ta ( C) NJM2386/88_5.0V Control Voltage vs. Temperature 2 100 o Output Current : Io(A) 2 1.5 1 0.05 0 -0.05 0.5 @:VIN=6V Output is open. Co=22uF 0 -50 0 50 100 o Temperature : Ta ( C) Ver.2004-06-21 150 -0.1 -50 0 50 o 100 150 Temperature : Ta ( C) -7- NJM2386/88 ! TYPICAL CHARACTERISTICS NJM2386/88_5.0V Load Regulation vs. Temperature 1.5 NJM2386/88_5.0V Output Voltage vs. Temperature 6 4.5 Output Voltage : Vo(V) Load Regulation : dVo/dIo(%/A) @:VIN=6V Io=0-1A Co=22uF 1 0.5 3 1.5 @:VIN=6V Io=0.5A Co=22uF 0 0 -50 0 50 100 150 -50 0 50 100 150 200 o o Temperature : Ta ( C) Temperature : Ta ( C) NJM2386/88_5.0V Short Circuit Current vs. Temperature 500 Short Circuit Current : Isc (mA) @: VIN=6V Co=22uF Output is short to ground. 400 300 200 100 0 -50 0 50 100 150 o Temperature : Ta ( C) NJM2386/88_5.0V ON/OFF Transient Response 12 10 0 8 -5 Output Voltage 6 -10 4 -15 o @:Ta=25 C VDD=6V Co=22uF Io=0mA 2 0 -2 -8- 5 0 1 -20 2 3 Time : t [mS] 4 5 10 5 Control Voltage 10 0 8 -5 Output Voltage 6 -10 4 -15 o @:Ta=25 C VDD=6V Co=22uF Io=500mA 2 -25 0 -30 -2 Control Voltage : Vo [V] Control Voltage 14 Output Voltage : Vo [V] Output Voltage : Vo [V] 12 10 Control Voltage : Vo [V] 14 NJM2386/88_5.0V ON/OFF Transient Response -20 -25 -30 0 4 8 12 Time : t [mS] 16 20 Ver.2004-06-21 NJM2386/88 ! TYPICAL CHARACTERISTICS NJM2386/88_5.0V Input Transient Response 7 5.4 Output Voltage : Vo [V] Input Voltage 5.06 6 5.04 5 5.02 4 Output Voltage 5 3 o @:Ta=25 C VDD=6V Co=22uF Io=500mA 4.98 4.96 2 4.94 0 40 80 120 Time : t [mS] 160 200 600 500 Output Current 5.3 400 300 5.2 200 5.1 Output Voltage 100 5 4.9 1 4.8 0 4.7 0 o @:Ta=25 C VDD=6V Co=22uF Io=450mA Output Current : Io [mA] 5.5 Output Voltage : Vo [V] 5.08 8 Input Voltage : VIN [V] 5.1 NJM2386/88_5.0V Load Transient Response -100 -200 0 40 80 120 Time : t [mS] 160 200 [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 usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2004-06-21 -9-