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NJM2370

New Japan Radio
Part Number NJM2370
Manufacturer New Japan Radio
Description LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
Published May 7, 2005
Detailed Description NJM2370 LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJM2370 is a low d...
Datasheet PDF File NJM2370 PDF File

NJM2370
NJM2370

Overview
NJM2370 LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJM2370 is a low dropout voltage regulator with ON/OFF control.
It features dropout voltage of 0.
1V at Io=30mA, low NJM2370U output noise and high ripple rejection by connecting an external capaciter to noise bypass terminal.
It’s suitable for portable items such as cellular phones, video camera and others.
s FEATURES q Output Current (150mA min.
(Vo-0.
3V)) q Low Dropout Voltage (0.
1V typ.
(Io=30mA)) q External Capaciter for Noise Bypass q ON/OFF Control Function q Over Current Limit q Thermal Shutdown q Bipolar Technology q Package Outline SOT-89(5pin), VSP8 s PIN CONFIGURATION 5 4 NJM2370R 1.
2.
3.
4.
5.
1 2 3 PIN FUNCTION CONTROL GND NOISE BYPASS VOUT VIN 1 2 3 4 8 7 6 5 NJM2370U s EQUIVALENT CIRCUIT NJM2370R PIN FUNCTION 1.
CONTROL 2.
GND 3.
NC 4.
NOISE BYPASS 5.
VOUT 6.
NC 7.
NC 8.
VIN VIN CONT Thermal Protection VOUT NOISE BYPASS Bandgap Reference GND - 1/1 NJM2370_databook00_01 NJM2370 (Ta=25°C) RATINGS UNIT 20 V 20(note 1) V (SOT-89) 350 Power Dissipation PD mW (VSP8) 320 Operating Temperature Range Topr −40 ∼ +85 °C Storage Temperature Range Tstg −40 ∼ +125 °C (note 1)When input voltage is less than +20V, the absolute maximum control voltage is equal to the input voltage.
s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT s ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Output Voltage Vo Quiescent Current 1 IQ1 Quiescent Current 2 IQ2 Output Current Io Line Regulation ∆Vo/∆VIN (Ta=25°C) MAX.
UNIT +3% V µA − 100 nA mA − 0.
12 %/V 0.
12 0.
03 0.
3 − − %/V %/mA V dB mV/°C Load Regulation Dropout Voltage Ripple Rejection Average Temperature Coefficient of Output Voltage Output Noise Voltage ∆Vo/∆Io ∆VI-O R•R ∆Vo/∆Ta VNO CONDITIONS VIN=Vo+1V, Io=30mA Io=0mA,expect ICONT CONTROL−GND short (Vo−0.
3V) VIN=(Vo+1V) ∼ (Vo+6V) Vo=2V to 14V VIN=(Vo+1V) ∼ (Vo+5V) Vo=15V Io=0 ∼ 60mA Io=30mA f=400Hz, ein=100mVp-p VIN=Vo+1.
5V, Io=1...


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