NJM2883 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2883 is a low dropout voltage regulator in EMP8 package Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. It is suitable for portable applications. PACKAGE OUTLINE NJM2883E FEATURES High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30µVrms typ.(Cp=0.01µF) Output capacitor with 1.0µF ceramic capacitor (Vo≥2.7V) Output Current Io(max.)=300mA High Precision Output Vo±1% Low Dropout Voltage 0.10V typ. (Io=100mA) ON/OFF Control (Active High) Operating Voltage Range +2.3V∼+14V (Vo≤2.0V version) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline EMP8 (5.0×6.0×1.5mm) PIN CONFIGURATION 1 8 2 7 3 6 4 5 NJM2883E PIN FUNCTION 1.VOUT 2.GND 3.GND 4.NOISE BYPASS 5.CONTROL (Active High) 6.GND 7.GND 8.VIN EQUIVALENT CIRCUIT VIN VOUT Control Thermal Protection Bandgap Reference Noise Bypass GND Ver.2004-12-22 -1- NJM2883 OUTPUT VOLTAGE RANK LIST (* : Under development) Device Name VOUT Device Name *NJM2883E15 1.5V *NJM2883E31 *NJM2883E17 1.7V NJM2883E33 NJM2883E18 1.8V NJM2883E345 *NJM2883E21 2.1V *NJM2883E35 NJM2883E25 2.5V *NJM2883E38 NJM2883E28 2.8V *NJM2883E04 *NJM2883E285 2.85V *NJM2883E43 NJM2883E29 2.9V *NJM2883E47 NJM2883E03 3.0V NJM2883E05 VOUT 3.1V 3.3V 3.45V 3.5V 3.8V 4.0V 4.3V 4.7V 5.0V 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 650(*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 (Vo>2.0V version : VIN=Vo+1V, CIN=0.1µF, Co=1.0µF: Vo≥2.7V (Co=2.2µF: Vo≤2.6V), Cp=0.01µF, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. Output Voltage Vo Io=30mA -1.0% +1.0% − Quiescent Current IQ Io=0mA, expect Icont 120 180 − Quiescent Current VCONT=0V 100 IQ(OFF) − − at Control OFF Output Current Io Vo - 0.3V 300 400 Line Regulation 0.10 ∆Vo/∆VIN VIN=Vo+1V∼Vo+6V, Io=30mA − − Load Regulation 0.03 ∆Vo/∆Io Io=0∼300mA − − Io=100mA 0.10 0.18 Dropout Voltage ∆VI−O − ein=200mVrms,f=1kHz, Io=10mA, Ripple Rejection RR 75 − − Vo=3V Version Average Temperature ∆Vo/∆Ta Ta=0∼+85°C, Io=10mA ±50 − − Coefficient of Output Voltage f=10Hz∼80kHz, Io=10mA, Output Noise Voltage VNO 30 − − Vo=3V Version Control Voltage for ON-state VCONT(ON) 1.6 − − Control Voltage for OFF-state VCONT(OFF) 0.6 − − -2- UNIT V µA nA mA %/V %/mA V dB ppm/°C µVrms V V Ver.2004-12-22 NJM2883 (Vo≤2.0V version: VIN=Vo+1V, CIN=0.1µF, Co=2.2µF: Vo≥1.9V (Co=4.7µF: Vo≤1.8V), Cp=0.01µF, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. Output Voltage Vo Io=30mA -1.0% +1.0% − Quiescent Current IQ Io=0mA, expect Icont 120 180 − Quiescent Current VCONT=0V 100 IQ(OFF) − − at Control OFF Output Current Io Vo - 0.3V 300 400 Line Regulation 0.10 ∆Vo/∆VIN VIN=Vo+1V∼Vo+6V, Io=30mA − − Load Regulation 0.03 ∆Vo/∆Io Io=0∼300mA − − ein=200mVrms, f=1kHz, Io=10mA, Ripple Rejection RR 80 − − Vo=1.8V Version Average Temperature ∆Vo/∆Ta Ta=0∼85°C, Io=10mA ±50 − − Coefficient of Output Voltage f=10Hz∼80kHz, Io=10mA, Output Noise Voltage VNO 20 − − Vo=1.8V Version Control Voltage for ON-state VCONT(ON) 1.6 − − Control Voltage for OFF-state VCONT(OFF) 0.6 − − UNIT V µA nA mA %/V %/mA dB ppm/°C µVrms V V 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 IIN A VIN VIN 0.1µF A V *3 Ver.2004-12-22 VCONT ICONT VOUT NJM2883 CONTROL GND 1.0µF *3 (ceramic) IOUT V VOUT NOISE BYPASS Cp=0.01µF 1.9V ≤ Vo ≤ 2.6V version: Co=2.2µF(ceramic) Vo ≤ 1.8V version: Co=4.7µF(ceramic) -3- NJM2883 TYPICAL APPLICATION 1 In case that ON/OFF Control is not required: VIN VIN VOUT VOUT 0.1µF NJM2883 R (0∼300kΩ) 1.0µF *4 NOISE BYPASS CONTROL Cp=0.01µF GND *4 1.9V ≤ Vo ≤ 2.6V version: Co=2.2µF Vo ≤ 1.8V version: Co=4.7µF 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 NJM2883 0.1µF VOUT 1.0µF *4 R CONTROL NOISE BYPASS GND *4 Cp=0.01µF 1.9V ≤ Vo ≤ 2.6V version : Co=2.2uF Vo ≤ 1.8V version : Co=4.7uF 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. -4- Ver.2004-12-22 NJM2883 ELECTRICAL CARACTERISTICS NJM2883_3.0V Output Voltage v.s. Input Voltage 3.5 3.0 Output Voltage : Vo [V] Output Voltage : Vo [V] 3.5 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF 3.3 Io=0mA 3.1 2.9 Io=300mA 2.7 Io=100mA 2.7 2.9 3.1 2.5 2.0 1.5 1.0 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF 0.5 2.5 2.5 NJM2883_3.0V Output Voltage v.s. Output Current 3.3 0.0 3.5 0 Input Voltage : Vi [V] NJM2883_3.0V Ground Pin Current v.s. Output Current @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF 16 0.25 12 8 4 300 400 500 600 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF 0.20 0.15 0.10 0.05 0 0 125 250 375 0.00 500 0 Output Current : Io [mA] NJM2883_3.0V Control Current v.s. Control Voltage 20 16 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF Io=30mA Rc=100kΩ Rc=50kΩ Rc=0Ω 4 0 0.0 300 400 500 2.5 Rc=100kΩ 2.0 Rc=50kΩ 1.5 Rc=0Ω 1.0 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF Io=30mA 0.5 0.0 0.5 1.0 1.5 2.0 Control Voltage : Vcont [V] Ver.2004-12-22 200 3.0 12 8 100 Output Current : Io [A] NJM2883_3.0V Output Voltage v.s. Control Voltage 3.5 Output Voltage : Vo [V] Control Current : Icont [uA] 200 Output Current : Io [mA] NJM2883_3.0V Dropout Voltage v.s. Output Current 0.30 Dropout Voltage : dVi-o [V] Ground Pin Current : IGND [mA 20 100 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Control Voltage : Vcont [V] -5- NJM2883 ELECTRICAL CARACTERISTICS 100 Output Noise Voltage : Vn [uVrms] @Ta=25℃ Co=1.0uF(Ceramic) VDD=4.0V Io=10mA 160 120 80 40 0 1E-06 0.00001 0.0001 0.001 0.01 70 60 50 Io=10mA 30 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF VDD=4.0V ein=200mV Io=30mA 20 10 100 20 0.01 0.1 1 10 100 1000 Output Current : Io [mA] NJM2883_3.0V Ripple Rejection Ratio v.s. Frequency 1000 10000 80 70 60 50 40 30 f=1kHz f=10kHz 20 10 0 10 40 90 80 40 60 100 Io=0mA 90 80 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF VDD=4.0V 0 0.001 0.1 Noise Bypass Capacitor : Cp [uF] NJM2883_3.0V Ripple Rejection Ratio v.s. Frequency 100 Ripple Rejection Ratio : RR[dB NJM2883_3.0V Output Noise Voltage v.s. Output Current Ripple Rejection Ratio : RR[dB Output Noise Voltage : Vn [uVrms] 200 NJM2883_3.0V Output Noise Voltage v.s. Noise Bypass Capacitor 100000 0 0.001 0.01 0.1 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF VDD=3.8V ein=200mV 1 10 100 1000 Output Current : Io[mA] Frequency : f[Hz] NJM2883_3.0V Equivalent Series Resistance v.s. Output Current Equivalent Series Resistance : ESR[Ω] 100 10 Stable Region 1 @Ta=25℃ Co=1.0uF(Ceramic) Cp=0.01uF VDD=4.0V 0.1 0.01 0.001 0.01 0.1 1 10 100 1000 Output Current : Io [mA] -6- Ver.2004-12-22 NJM2883 ELECTRICAL CARACTERISTICS NJM2883_3.0V Control Voltage_ON v.s. Temperature NJM2883_3.0V Dropout Voltage v.s. Temperature 2.0 Control Voltage_ON : VcontON [V] 0.30 Dropout Voltage : Vi-o [V] 0.25 0.20 0.15 0.10 Co=1.0uF(Ceramic) Cp=0.01uF Io=100mA 0.05 0.00 -50 3.5 0 50 100 VDD=4.0V Co=1.0uF(Ceramic) Cp=0.01uF -50 0 50 100 Temerature : Ta [℃] Temperature : Ta [℃] NJM2883_.3.0V Output Voltage v.s. Temerature NJM2883_3.0V Quiescent Current v.s. Temperature 300 Quiescent Current : Iq [uA] Output Voltage : Vo [V] 0.5 0.0 2.5 2.0 1.5 VDD =4.0V Co=1.0uF(Ceramic) Cp=0.01uF Io=30mA 0.5 1.0 150 3.0 1.0 1.5 150 250 200 150 100 VDD=4.0V Co=1.0uF(Ceramic) Cp=0.01uF Include Icont 50 0 0.0 -50 0 50 100 Temerature : Ta [℃] Ver.2004-12-22 150 200 -50 0 50 100 150 Temperature : Ta [℃] -7- NJM2883 [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. -8- Ver.2004-12-22