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PDF NJM2870 Data sheet ( Hoja de datos )

Número de pieza NJM2870
Descripción LOW DROPOUT VOLTAGE REGULATOR
Fabricantes JRC 
Logotipo JRC Logotipo



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No Preview Available ! NJM2870 Hoja de datos, Descripción, Manual

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NJM2870
LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
The NJM2870 is low dropout voltage regulator designed
for cellular phone application.
Advanced Bipolar technology achieves low noise, high
ripple rejection and low quiescent current.
! PACKAGE OUTLINE
! FEATURES
"High Ripple Rejection 56dB RR (DC < f < 60kHz)
66dB typ. (f=100Hz)
60dB typ. (f=1kHz)
"Output Noise Voltage Vno=30µV typ.(Cp=0.01µF)
"Output Current
Io(max.)=150mA
"High Precision Output Vo±2%
"Low Dropout Voltage
"Input Voltage range
VI-O=0.12V typ. (Io=60mA, Vo1.8V)
+2+14V (Vo=1.5V Version)
"ON/OFF Control
(Active High)
"Output capacitor with 4.7uF ceramic capacitor
"Internal Short Circuit Current Limit
"Internal Thermal Overload Protection
"Bipolar Technology
"Package Outline
SOT-23-5
NJM2870F
! PIN CONFIGURATION
54
123
NJM2870F
PIN FUNCTION
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. VOUT
5. VIN
! EQUIVALENT CIRCUIT
VIN
Cont
Bandgap
Reference
Thermal
Protection
VOUT
Noise
Bypass
GND

1 page




NJM2870 pdf
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! POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJM2870
NJM2870F Power Dissipation
(Topr=-40+85,Tj=125,PD=200mW(Ta25))
500
400 On Board(114.3×76.2×1.6mm, FR-4)
300
Device itself
200
100
0
-50
-25
0 25 50
Ambient Temperature Ta()
75
100

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