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NJU7777 PDF даташит

Спецификация NJU7777 изготовлена ​​​​«JRC» и имеет функцию, называемую «LOW DROPOUT VOLTAGE REGULATOR».

Детали детали

Номер произв NJU7777
Описание LOW DROPOUT VOLTAGE REGULATOR
Производители JRC
логотип JRC логотип 

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NJU7777 Даташит, Описание, Даташиты
www.DataSheet4U.com
NJU7777
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJU7777 is a 150mA output low dropout voltage
regulator with ON/OFF control.
Advanced CMOS technology achieves high ripple rejection
and low quiescent current.
Small packaging and 1µF small decoupling capacitor make the
NJU7777 suitable for space conscious applications.
PACKAGE OUTLINE
NJU7777F4
FEATURES
High Ripple Rejection
65dB typ. (f=1kHz,Vo=3.0V version)
Low quiescent Current Iq=18µA (Io=0mA)
Output Current
Io(max.)=150mA
High Precision Output
Vo±1.0%
Output capacitor with 1.0µF ceramic capacitor (Vo2.1V version)
Low Dropout Voltage
0.13V typ. (Io=100mA,Vo=3.0V)
ON/OFF Control
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
CMOS Technology
Package Outline
SC-82AB
PIN CONFIGURATION
4 3 1.CONTROL
2.GND
3.VOUT
1 2 4.VIN
NJU7777F4
EQUIVALENT CIRCUIT
VDD
CONTROL
Output
Control
Thermal
Protection
V OUT
Current
Vref Limit
VSS
Ver.2006-06-13
-1-









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NJU7777 Даташит, Описание, Даташиты
NJU7777
www.DataSheet4U.com
OUTPUT VOLTAGE RANK LIST
Device Name
NJU7777F4-15
NJU7777F4-21
NJU7777F4-03
NJU7777F4-33
NJU7777F4-05
VOUT
1.5V
2.1V
3.0V
3.3V
5.0V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Input Voltage
Control Voltage
Power Dissipation
Operating Temperature
SYMBOL
VIN
VCONT
PD
Topr
Storage Temperature
Tstg
(Ta=25°C)
RATINGS
UNIT
+9
+9(*1)
V
V
250(*2)
mW
40 +85
°C
40 +125
°C
(*1) : When input voltage is less than +9V, the absolute maximum control voltage is equal to the input voltage.
(*2) : Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers)
Operating voltage
VIN=+2.3 +8V (In case of Vo<2.1V version)
ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1.0µF(Co=2.2µF: Vo2.0V), Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Output Voltage
Input Voltage
Quiescent Current
Quiescent Current
at Control OFF
Vo
VIN
IQ
IQ(OFF)
Io=30mA
Io=0mA, VCONT=VIN
VCONT=0V
-1.0% +1.0% V
2.3 8 V
18 35 µA
0.1 1.0 µA
Output Current
Short Current Limit
Line Regulation
Load Regulation
Dropout Voltage(*3)
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
Io
Vo-0.1V (Vo2.0V Version)
Vo-0.3V (Vo2.1V Version)
150
mA
ILIM Vo=0V
40 mA
Vo/VIN
VIN=Vo+1V Vo+6.0V (Vo<2.0V Version)
VIN=Vo+1V 8.0V (Vo2.0V Version),
Io=30mA
0.20 %/V
Vo/Io Io=0 100mA
− − 0.03 %/mA
2.1VVo2.4V
0.17 0.22 V
VI-O
Io=100mA
2.5VVo2.7V
2.8VVo3.3V
0.15 0.20 V
0.13 0.18 V
3.4VVo5.0V
0.11 0.16 V
RR
ein=200mVrms,f=1kHz,Io=10mA,
Vo=3.0V Version
65 dB
Vo/Ta Ta=0 85°C, Io=10mA
− ±100 ppm/°C
Output Noise Voltage
VNO f=10Hz 80kHz,Io=0mA,Vo=3.0V Version 75 − µVrms
Pull-down Resistance
Control Voltage for ON-state
Control Voltage for OFF-state
RCONT
VCONT(ON)
VCONT(OFF)
2 5 10 M
1.6 − − V
− − 0.3 V
(*3): Except output voltage less than 2.1V.
The above specification is a common specification for all output voltages.
Therefore, it may be different from the individual specification for a specific output voltage.
-2-
Ver.2006-06-13









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NJU7777 Даташит, Описание, Даташиты
www.DataSheet4U.com
TEST CIRCUIT
A IIN
VIN VOUT
VIN
0.1µF
NJU7777
A ICONT CONTROL
V VCONT
GND
NJU7777
1.0µF *4
(ceramic)
IOUT V VOUT
*4 Vo2.0V version: Co=2.2µF(ceramic)
POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJU7777F4 Power Dissipation
(Topr=-40+85,Tj=125)
500
400
300 On Board(114.3×76.2×1.6mm, FR-4)
200
100
0
-50
-25
0 25 50
Ambient Temperature Ta()
75 100
Ver.2006-06-13
-3-










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