NJM2804 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJM2804 Datasheet PDF : 5 Pages
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NJM2804
Low Dropout Voltage Regulator with Reset
! GENERAL DISCRIPTION
The NJM2804 is a low dropout voltage regulator with reset
function.
It provides up to 300mA of logic supply, and the reset function
monitors input voltage of the regulator with 1% accuracy.
It is suitable for local power supply and reset for small micro
controller and other logic chips.
! FEATURES
" Output Voltage Accuracy
Vo ±1.0%
" Reset Voltage Accuracy
" Reset Hold Time
VRT ±1.0%
td = 10mS±1.0mS
" Ripple Rejection
70dB typ. (f =1kHz)
" Quiescent Current
" Input Voltage Monitor type
IQ = 250µA (typ.)
" Open Collector Output
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
SOT-89 -5
! PACKAGE OUTLINE
NJM2804U
! PIN CONFIGURATION
524
123
NJM2804U
PIN FUNCTION
1.VOUT
2.GND
3.Cd
4.VOR
5.VIN
! OUTPUT VOLTAGE/ DETECTION VOLTAGE
Device Name
NJM2804U2528
NJM2804U3342
VOUT
2.5V
3.3V
VDET
2.8V
4.2V
! EQUIVALENT CIRCUIT
VIN
VOR
Thermal
Protection
VOUT
GND
Cd
Bandgap
Reference
Ver.2004-01-19
-1 -
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