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PDF NJU7772 Data sheet ( Hoja de datos )
| Número de pieza | NJU7772 | |
| Descripción | (NJU7771 - NJU7776) LOW DROPOUT VOLTAGE REGULATOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU7772 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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NJU7771/72/73/74/75/76
LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
NJU7771/72/73/74/75/76 is a low dropout voltage regulator
designed for cellular phone application etc.
Advanced CMOS technology achieves high ripple rejection
and low quiescent current.
When the ON/OFF control is used, NJU7774/75/76 has high
transition response characteristics for shunt switch.
! PACKAGE OUTLINE
NJU777*F
! FEATURES
" High Ripple Rejection
65dB typ. (f=1kHz,Vo=3.0V version)
" Low quiescent Current Iq=18µA (Io=0mA)
" Output capacitor with 1.0µF ceramic capacitor (Vo≤2.0V version)
" Output Current
Io(max.)=150mA
" High Precision Output
Vo±1.0%
" Low Dropout Voltage
0.15V typ. (Io=100mA,Vo=3.0V)
" Input Voltage Range
" ON/OFF Control
VIN=+2.3V∼14V(Vo≤2.0V version)
(Active High)
" With Shunt Switch
Only NJU7774/75/76
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" CMOS Technology
" Package Outline
SOT-23-5 (MTP5)
! PIN CONFIGURATION
54
1.CONTROL
2.GND
3.NC
4.VOUT
5.VIN
NJU7771F
NJU7774F
123
PIN FUNCTION
1.VIN
2.GND
3.CONTROL
4.NC
5.VOUT
NJU7772F
NJU7775F
1.VOUT
2.GND
3.VIN
4.CONTROL
5.NC
NJU7773F
NJU7776F
! EQUIVALENT CIRCUIT
VDD
CONTROL
Output
Control
Thermal
Protection
VOUT
VDD
CONTROL
Output
Control
Thermal
Protection
VOUT
Current
Vref Limit
VSS
NJM7771/72/73
Current
Vref Limit
VSS
NJM7774/75/76
! OUTPUT VOLTAGE RANK LIST
Device Name
NJU777×F15
NJU777×F21
VOUT
1.5V
2.1V
Device Name
NJU777×F27
NJU777×F28
NJU777×F22 2.2V NJU777×F03
NJU777×F23 2.3V NJU777×F33
NJU777×F25 2.5V NJU777×F35
VOUT
2.7V
2.8V
3.0V
3.3V
3.5V
Device Name
NJU777×F38
NJU777×F05
VOUT
3.8V
5.0V
Ver.2004-01-19
-1-
1 page  
! ELECTRICAL CHARACTERISTICS
NJU7771_3.0V
Dropout Voltage Characteristics
3.2
@:Ta=25oC
Co=1.0uF(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)
NJU7771_3.0V
Circuit operating current vs.Output current
100
@:Ta=25oC
VIN=4.0V
Co=1.0uF(Ceramic)
80
60
40
20
0
0 50 100 150 200
Output current: IO(mA)
NJU7771_3.0V
Output Voltage vs.Control Voltage
6
5
4
3
2
@:Ta=25oC
1 VIN=4.0V
Co=1.0uF(Ceramic)
Io=30mA
0
0 0.5 1 1.5 2 2.5 3
Control Voltage: Vcont(V)
Ver.2004-01-19
NJU7771/72/73/74/75/76
3.5
3
2.5
2
1.5
1
0.5
0
0
NJU7771_3.0V
Over Current Protection Characteristics
@:Ta=25oC
50 100 150 200 250 300
Output Current: Io(mA)
NJU7771_3.0V
Dropout Voltage vs.Output Current
0.3
@:Ta=25oC
Co=1.0uF(Ceramic)
0.25
0.2
0.15
0.1
0.05
0
0 50 100 150
Output Current: Io(mA)
-5-
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJU7772.PDF ] | |
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