參數(shù)資料
型號: NJU7781U1
廠商: New Japan Radio Co., Ltd.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: LOW DROPOUT VOLTAGE REGULATOR
中文描述: 低壓差穩(wěn)壓器
文件頁數(shù): 1/6頁
文件大?。?/td> 153K
代理商: NJU7781U1
Ver.2004-12-22
NJU7780/81
- 1 -
NJU7780/81U1
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJU7780/81 is a low dropout voltage regulator with ON/OFF
Control.
Advanced CMOS technology achieves low quiescent current.
It is suitable for cellular phone and other portable items.
When the ON/OFF control is used, NJU7781 has high transition
response characteristics for shunt switch.
FEATURES
z
High Ripple Rejection
65dB typ. (f=400Hz, Vo=3V)
z
Low quiescent Current
Iq=20μA (Io=0mA, V
CONT
=V
IN
)
z
Output capacitor with 1.0μF ceramic capacitor
z
Output Current
Io(max)=300mA
z
High Precision Output
Vo±1.0%
z
Low Dropout Voltage
0.15V typ. (Io=150mA,Vo=3.0V)
z
ON/OFF Control
(Active High)
z
Shunt Switch
Only NJU7781
z
Internal Short Circuit Current Limit
z
Internal Thermal Overload Protection
z
CMOS technology
z
Package outline
SOT-89-5
PIN CONFIGURATION
PACKAGE OUTLINE
EQUIVALENT CIRCUIT
NJU7780
NJU7781
1
2
3
4
5
2
1. CONTROL
2. GND
3. N.C.
4. V
OUT
5. V
IN
V
OUT
GND
V
IN
Vref
CONTROL
Current
Limit
Output
Control
Thermal
Protection
GND
CONTROL
V
OUT
V
IN
Vref
Current
Limit
Output
Control
Thermal
Protection
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NJU7781U1-03-TE1 功能描述:低壓差穩(wěn)壓器 - LDO Low Dropout Voltage Regulator 3.0v RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NJU7781U1-05-TE1 功能描述:低壓差穩(wěn)壓器 - LDO Low Dropout Voltage Regulator 5.0v RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NJU7781U1-21-TE1 功能描述:低壓差穩(wěn)壓器 - LDO Low Dropout Voltage Regulator 2.1V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NJU7781U1-25-TE1 功能描述:低壓差穩(wěn)壓器 - LDO Low Dropout Voltage Regulator 2.5v RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NJU7781U1-33-TE1 功能描述:低壓差穩(wěn)壓器 - LDO Low Dropout Voltage Regulator 3.3v RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20