NJM2860 LOW DROPOUT VOLTAGE REGULATOR ■ PACKAGE OUTLINE 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. NJM2860F3 FEATURES High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30µVrms typ. (Cp=0.01µF) Output capacitor with 1.0uF ceramic capacitor (Vo≥2.7V) Output Current Io(max.)=100mA High Precision Output Vo±1.0% 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 1 2 3 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS 4. VOUT 5. VIN NJM2860F3 EQUIVALENT CIRCUIT VOUT VIN Cont Thermal Protection Bandgap Reference Noise Bypass 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 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg (Ta=25°C) 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=0.1µF, Co=1.0uF: Vo≥2.7V (Co=2.2uF: Vo≤2.6V), Cp=0.01µF, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -1.0% − +1.0% V Output Voltage Vo Io=30mA Quiescent Current IQ Io=0mA, expect Icont − 120 180 µA − − 100 nA 100 − − 0.10 0.03 mA %/V %/mA − 130 − − 0.10 0.18 V − 70 − dB Quiescent Current at Control OFF Output Current Line Regulation Load Regulation IQ(OFF) VCONT=0V Io ∆Vo/∆VIN ∆Vo/∆Io Dropout Voltage(*3) ∆VI−O Ripple Rejection RR Vo−0.3V VIN=Vo+1V ∼ Vo+6V, Io=30mA Io=0 ∼ 60mA Io=60mA ein=200mVrms,f=1kHz, Io=10mA, Vo=3V Version Average Temperature Coefficient of Output Voltage ∆Vo/∆Ta Ta=0∼85°C, Io=10mA − ±50 − ppm/°C Output Noise Voltage VNO f=10Hz∼80kHz, Io=10mA, Vo=3V Version − 30 − µVrms VCONT(ON) 1.6 − − V VCONT(OFF) − − 0.6 V Control Voltage for ON-state Control Voltage for OFF-state (*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 IIN VIN VIN NJM2860 0.1µF A V VOUT IOUT 1.0µF*4 (ceramic) ICONT CONTROL VCONT *4 Vo≤2.6V version: Co=2.2µF(ceramic) GND NOISE BYPASS Cp=0.01µF V VOUT NJM2860 TYPICAL APPLICATION 1 In the case where ON/OFF Control is not required: VIN VIN VOUT VOUT 1.0µF*5 0.1µF NJM2860 R (0∼300kΩ) CONTROL NOISE BYPASS Cp=0.01µF GND *5 Vo≤2.6V version: Co=2.2µF 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 1.0µF*5 NJM2860 0.1µF R CONTROL GND NOISE BYPASS Cp=0.01µF *5 Vo≤2.6V version: Co=2.2µF 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℃) Power Dissipation PD(mW) 500 400 300 On Board(114.3×76.2×1.6mm, FR-4) 200 100 0 -50 -25 0 25 50 Ambient Temperature Ta(℃) 75 100 NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Output Voltage vs. Input Voltage 3.2 NJM2860_3.0V Output Voltage vs. Output Current 4 o @:Ta=25 C Co=1µF(Ceramic) Cp=0.01uF 3.5 3.1 Output Voltage : Vo(V) Output Voltage : Vo (V) 3 Io=0A 3 2.9 Io=30mA 2.5 2 1.5 1 2.8 o Io=80mA 2.7 2.7 @:Ta=25 C V IN=4V Co=1µF(Ceramic) Cp=0.01mF 0.5 0 2.8 2.9 3 3.1 3.2 3.3 3.4 0 50 NJM2860_3.0V Ground Pin Current vs. Output Current 20 150 200 NJM2860_3.0V Dropout Voltage vs. Output Current 0.3 o @:Ta=25 C VIN=4V Co=1µF(Ceramic) Cp=0.01mF o @:Ta=25 C Co=1µF(Ceramic) Cp=0.01mF 0.25 15 Dropout Voltage : dVI-O (V) Ground Pin Current : IGND (mA) 100 Output Current : Io(mA) Input Voltage : V IN(V) 10 5 0.2 0.15 0.1 0.05 0 0 0 20 40 60 80 100 0 120 20 40 Output Current : I O(mA) NJM2860_3.0V Control Current vs. Control Voltage 30 60 80 100 120 Output Current : Io(mA) NJM2860_3.0V Output Voltage vs. Control Voltage 4 o @:Ta=25 C V IN=4V Co=1µF(Ceramic) Cp=0.01µF Io=30mA 3.5 Rc=0Ω 3 20 Output Voltage : Vo(V) Control Current : Icont( mA) 25 15 Rc=50kΩ Rc=0Ω 10 2.5 Rc=100kΩ 2 1.5 Rc=50kΩ 1 o @:Ta=25 C VIN=4V Co=1µF(Ceramic) Cp=0.01µF Io=30mA 5 0.5 Rc=100kΩ 0 0 0 0.5 1 1.5 2 2.5 Control Voltage : Vcont(V) 3 3.5 4 0 0.5 1 1.5 2 Control Voltage : Vcont(V) 2.5 3 NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Load Regulation vs. Output Current NJM2860_3.0V Peak Output Current vs. Input Voltage 200 0 o @:Ta=25 C V IN=4V Co=1µF(Ceramic) Cp=0.01µF Peak Output Current : IoMAX(mA) Load Regulation : dVo/dIo(mV) -10 -20 -30 -40 -50 -60 150 100 50 o @:Ta=25 C Co=1µF(Ceramic) Cp=0.01µF -70 -80 0 0 50 100 4 150 6 8 10 NJM2860_3.0V Quiescent Current vs. Input Voltage o o @:Ta=25 C Output is open. Co=1µF(Ceramic) Cp=0.01µF including Icont Output Noise Voltage : Vn(mVrms) Quiescent Current : IQ (mA) 14 NJM2860_3.0V Output Noise Voltage vs. Output Current 100 2000 1500 12 Input Voltage : VIN(V) Output Current : Io(mA) 1000 500 @:Ta=25 C VIN=4.0V Cp=0.01µF LPF:100kHz 80 60 Co=1µF(Ceramic) 40 20 Co=2.2µF(Ceramic) 0 0.001 0 0 5 10 15 0.01 0.1 1 NJM2860_3.0V Ripple Rejection Ratio vs. Frequency 100 NJM2860_3.0V Ripple Rejection vs. Output Current 100 100 90 90 Io=10mA f=1kHz Io=0mA 80 80 Ripple Rejection : RR (dB) Ripple Rejection Ratio : RR (dB) 10 Output Current : Io(mA) Input Voltage : VIN(V) 70 60 Io=30mA 50 o 40 @:Ta=25 C V IN=4.0V ein=200mVrms Co=1µF(Ceramic) Cp=0.01µF 30 20 10 100 70 60 50 40 30 1k Frequency : f (Hz) 10k 100k f=10kHz o @:Ta=25 C VIN=4V ein=200mVrms Co=1µF(Ceramic) Cp=0.01µF 20 0.001 0.01 0.1 1 Output Current : Io(mA) 10 100 NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Equivalent Serise Resistance vs. Output Current 100 NJM2860_3.0V Dropout Voltage vs. Ambient Temperature 0.3 @:VIN=4V Io=60mA Co=1µF(Ceramic) Cp=0.01µF o 0.25 10 Dropout Voltage : dVI-O (V) Equivalent Serise Resistance : ESR(Ω ) @:Ta=25 C Co=1µF(Ceramic) Cp=0.01µF Oscillation Free 1 0.1 0.2 0.15 0.1 0.05 0.02 0 1µ 10µ 100µ 1m 10m 100m -50 0 50 100 150 o Ambient Temperature : Ta ( C) Output Current : Io(mA) NJM2860_3.0V Control Voltage vs. Ambient Temperature NJM2860_3.0V Output Voltage vs. Ambient Temperature 2 3.1 1.5 3.05 Output Voltage Vo (V) Control Voltage : VCONT(ON) (V) @:VIN=4V Io=30mA Co=1µF(Ceramic) Cp=0.01µF 1 3 2.95 0.5 @:VIN=4V Io=30mA Co=1µF(Ceramic) Cp=0.01µF 2.9 0 -50 0 50 100 -50 150 50 100 150 Ambient Temperature Ta ( C) NJM2860_3.0V Quiescent Current vs. Ambient Temperature NJM2860_3.0V Line Regulation v.s. Temperature 200 0.1 @:VIN=4V Output is open. Co=1µF(Ceramic) Cp=0.01µF @:dV IN=4-9V Io=30mA Co=1µF(Ceramic) Cp=0.01µF Line Regulation : dVo/dIo (%/V) 150 Quiescent Current : IQ (mA) 0 o o Ambient Temperature : Ta ( C) 100 50 0 -50 0 50 100 o Ambient Temperature : Ta ( C) 150 0.05 0 -0.05 -0.1 -50 0 50 100 o Temperature : Ta ( C) 150 NJM2860 TYPICAL CHARACTERISTICS NJM2860_3.0V Output Voltage vs. Ambient Temperature NJM2860_3.0V Load Regulation v.s. Temperature 4 0.03 @:VIN=4V Io=0-60mA Co=1µF(Ceramic) Cp=0.01µF 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 @:VIN=4V Io=30mA Co=1µF(Ceramic) Cp=0.01µF 0.005 0.5 0 0 -50 0 50 100 150 o NJM2860_3.0V Short Circuit Current v.s. Temperature 200 Short Circuit Current : ISC (mA) @:VIN=4V Output is short to ground. Co=1µF(Ceramic) Cp=0.01µF 150 100 50 0 -50 0 50 100 o Temperature : Ta ( C) -50 0 50 100 150 o Ambient Temperature Ta ( C) Temperature : Ta ( C) 150 200 NJM2860 TYPICAL CHARACTERISTICS NJM2860_3V ON/OFF Transient Response NJM2860_3V ON/OFF Transient Response without Load 7 4 6 5 0 5 0 -5 Output Voltage 3 -10 2 -15 Output Voltage : Vo [V] Output Voltage : Vo [V] 5 5 o @:Ta=25 C VIN=4V Co=1µF(Ceramic) Io=0mA 1 0 -1 0 1 2 3 Time : t [S] 4 -5 4 Output Voltage -10 3 -15 2 Control Voltage : Vo [V] Control Voltage Control Voltage : Vo [V] 6 10 7 10 Control Voltage o -20 1 -25 0 -30 -1 5 @:Ta=25 C VIN=4V Co=1µF(Ceramic) Io=30mA -20 -25 -30 0 4 NJM2860_3V Line Transient Response 8 12 Time : t [mS] 16 20 NJM2860_3V Load Transient Response 3.1 7 3.08 3.08 6 3.06 150 100 3.04 4 3.02 3 Output Voltage 3 2 2.98 o @:Ta=25 C Co=1µF(Ceramic) Cp=0.01µF Io=30mA 2.96 2.94 0 40 80 120 Time : t [µ µS] 160 3.04 50 3.02 0 Output Voltage -100 2.98 1 2.96 0 2.94 -1 200 -50 3 -150 o @:Ta=25 C VIN =4V Co=1µF(Ceramic) Cp=0.01µF -200 2.92 0 40 Output Current : Io [mA] 5 Input Voltage Output Voltage : Vo [V] Output Voltage : Vo [V] 3.06 Input Voltage : VIN [V] Output Current 80 120 Time : t [µ µS] 160 -250 200 [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.