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PDF NJU7254 Data sheet ( Hoja de datos )
| Número de pieza | NJU7254 | |
| Descripción | 1.5 ~ 5.0* / SOT-23-6(MTP6) | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU7254 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NJU7254
2ch LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJU7254 is a 2ch low dropout voltage regulator with ON/OFF
control. Advanced C-MOS technology achieves high ripple rejection
and low quiescent current.
SOT-23-6 package, 100mA×2ch output current and 1.0µF small
capacitor make NJU7254 suitable for space conscious applications.
PACKAGE OUTLINE
NJU7254F1
FEATURES
High Ripple Rejection
65dB typ. (f=1kHz,Vo=3V Version)
Low Quiescent Current 18µA /ch(typ.), 30µA /total (typ.)
Output capacitor with 1.0µF ceramic capacitor
Output Current
Io(max.)=100mA ×2ch
High Precision Output
Vo±1.0%
Low Dropout Voltage
0.09V typ. (Io=60mA, Vo=3V Version)
ON/OFF Control (Each ch.)
Internal Short Circuit Current Limit
C-MOS technology
Package Outline
SOT-23-6
PIN CONFIGURATION
6 54
1 23
NJU7254F1
PIN FUNCTION
1. VOUT2
2. GND
3. VOUT1
4. CONTROL1
5. VIN
6. CONTROL2
EQUIVALENT CIRCUIT
VIN
CONTROL1
Output
Control
Thermal
Protection
VOUT1
Vref
CONTROL2
Output
Control
Current
Limit
VOUT2
Ver.2006-06-13
GND
Current
Limit
-1-
1 page  
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TYPICAL CHARACTERISTICS
NJU7254-3.0V_
Output Voltage vs. Input Voltage
3.2
@:Ta=25oC
Co =1 .0 µF(Ceramic)
3.1
Io=0A
3
2.9
Io=30mA
2.8
Io=100mA
2.7
2.7 2.8 2.9 3 3.1 3.2 3.3 3.4
Input Voltage : VIN(V)
NJU7254-3.0V
Ground Pin Current v.s. Output Current
100
@:Ta=25oC
VIN=4.0V
Co=1.0µF(Ceramic)
80
60
40
20
0
0 20 40 60 80 100
Output Current : IO(mA)
NJU7254-3.0V
Load Regulation vs. Output Current
0
@:Ta=25oC
VIN=4.0V
Co=1.0µF(Ceramic)
-8
-16
-24
-32
-40
0
20 40 60 80
Output Current : Io(mA)
100
Ver.2006-06-13
NJU7254
NJU7254-3.0V
Output Voltage vs. Output Current
4
@:Ta=25oC
3.5
V IN=4.0V
Co =1 .0 µF(Ce ramic)
3
2.5
2
1.5
1
0.5
0
0 50 100 150
Output Current : Io(mA)
200
NJU7254-3.0V
Dropout Voltage vs. Output Current
0.4
@:Ta=25oC
0.35 Co=1.0µF(Ceramic)
0.3
0.25
0.2
0.15
0.1
0.05
0
0 20 40 60 80
Output Current:Io(mA)
100
NJU7254-3.0V
Peak Output Current vs. Input Voltage
300
@:Ta=25oC
Co =1 .0 µF(Ceramic)
250
200
150
100
50
0
3 45678
Input Voltage : VIN(V)
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJU7254.PDF ] | |
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