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Details, datasheet, quote on part number:NJM2892
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Datasheet text preview:
NJM2892
2OUTPUT LOW DROPOUT VOLTAGE REGULATOR
GENRAL DESCRIPTION The NJM2892 is a 2ch low dropout voltage regulator with ON/OFF Control in SOT-23 package. It is suitable for camcorder, IC decoder, camera and other portable items. FEATURES High Ripple Rejection 70dB typ. at f=1kHz Low Noise 45µVrms typ. Output capacitor with 1.0µF ceramic capacitor at Vo2.7V Output Current Io(max.)=100mA x 2ch High Precision Output ±1.0% Low Dropout Voltage 0.1V typ. at Io=60mA ON/OFF Control Internal Thermal Overload Protection Internal Short Circuit Current Limit Bipolar Technology Package Outline SOT-23-6 PIN CONFIGURATION 1 2 3 NJM2892F1 EQUIVALENT CIRCUIT
VIN CONTROL1
Thermal Protection
Preliminary
PACKAGE OUTLINE
NJM2892F1
6 5 4
PIN FUNCTION 1. VOUT2 4.CONTROL1 2.GND 5.VIN 3.VOUT1 6.CONTROL2
VOUT1
Bandgap Reference
VOUT2 CONTROL2
GND
Ver.2003-03-11
-1-
NJM2892
Preliminary ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg RATINGS +14 +14(note1) 200 -40 to +85 -40 to+125 (Ta=25°C) UNIT V V mW °C °C
(note1)When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. ERECRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1.0µF: Vo2.7V (Co=2.2µF: Vo2.6V), Ta=25°C) PARAMETER SYMBOL TEST CONDITION Output Voltage Vo Io=30mA Quiescent Current1 IQ1 VCONT1= VIN, VCONT2= 0V or VCONT2= VIN, VCONT1= 0V Io=0mA, expect Icont Quiescent Current2 IQ2 VCONT1= VCONT2= VIN Io=0mA, expect Icont Quiescent Current at IQ(OFF) VCONT=0V Control OFF Output Current Io Vo-0.3V Line Regulation Vo/VIN VIN=Vo+1V to Vo+6V, Io=30mA Load Regulation Vo/Io Io=0 to 60mA Dropout Voltage VI-O Io=60mA Ripple Rejection RR ein=200mVrms,f=1kHz,Io=10mA, Vo=3V Average Temperature Vo/Ta Ta=0~85°C, Io=10mA Coefficient of Output Voltage Output Noise Voltage VNO f=10Hz to 80kHz, Io=10mA, Vo=3V Control Voltage for VCONT(ON) ON-state Control Voltage for VCONT(OFF) OFF-state
MIN. -1.0% 100 1.6 -
TYP. 140 240 130 0.10 70 ±50 45 -
MAX. +1.0% 220 370 100 0.10 0.03 0.18 0.6
UNIT V µA µA nA mA %/V %/mA V dB ppm/°C µVrms V V
(note2) Please confirm the specification separately because some parameters depend on output voltage. OUTPUT VOLTAGE RANK LIST Device Name CH1 NJM2892F1-2121 2.1V NJM2892F1-0303 3.0V NJM2892F1-0521 5.0V
VOUT CH2 2.1V 3.0V 2.1V
-2-
Ver.2003-03-11
NJM2892
Preliminary TEST CIRCUIT
A
VIN
IIN
VIN
VOUT 1
0.1µF
NJM2892
IOUT 1 V VOUT
1.0µF or 2.2µF(Vo2.6V)
A
ICONT
CONTROL1
VOUT 2 IOUT 2 V VOUT
1.0µF or 2.2µF(Vo2.6V)
V VCONT1
A
ICONT
CONTROL
V VCONT2
GND
Ver.2003-03-11
-3-
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