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NJU7777のメーカーはJRCです、この部品の機能は「LOW DROPOUT VOLTAGE REGULATOR」です。 |
部品番号 | NJU7777 |
| |
部品説明 | LOW DROPOUT VOLTAGE REGULATOR | ||
メーカ | JRC | ||
ロゴ | |||
このページの下部にプレビューとNJU7777ダウンロード(pdfファイル)リンクがあります。 Total 9 pages
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 (Vo≥2.1V 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-
1 Page 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 Vo≤2.0V 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-
3Pages NJU7777
www.DataSheet4U.com
TYPICAL CHARACTERISTICS
NJU7777_3.0V
Peak Output Current vs. Input Voltage
300
250
200
150
100
50
@:Ta=25oC
Co=1.0µF(Ceramic)
0
3456789
Input Voltage : VIN(V)
NJU7777_3.0V
Output Noise Voltage vs. Output Current
120
@:Ta=25oC
VIN=4.0V
100
LPF:80kHz
CIN=0.1µF(Ceramic)
Co =1 .0 µF(Ce ramic)
80
60
40
20
0
0.001
0.01
0.1
1
10
Output Current : Io(mA)
100
100
90
80
70
60
50
40
30
20
0.001
NJU7777_3.0V
Ripple Rejection vs. Output Current
@:Ta=25oC
V IN=4.0V
ein=200mVrms
Co=1.0µF(Ceramic)
f=1kHz
f =1 0kHz
0.01
0.1
1
10
Output Current : Io(mA)
100
-6-
40
35
30
25
20
15
10
5
0
0
NJU7777_3.0V
Quiescent Current v.s. Input Voltage
@:Ta=25oC
Output is open.
Co=1.0µF(Ceramic)
including Icont
246
Input Voltage : VIN(V)
8
NJU7777_3.0V
Ripple Rejection Ratio v.s. Frequency
100
Io=0mA
80
Io=10mA
60
40 Io=30mA
20
@:Ta=25oC
V IN=4.0V
ein=200µVrms
Co=1.0µF(Ceramic)
CIN=0.1µF
0
10 100
1k
Frequency : f (Hz)
10k
100k
NJU7777_3.0V
Equivalent Serise Resistance vs. Output Current
100
@:Ta=25oC
V IN=4 .0V
Co=1.0µF(Ceramic)
CIN=0.1µF(Ceramic)
10
STABLE REGION
1
0.1
0.001
0.01
0.1
1
10
Output Current : Io(mA)
100
Ver.2006-06-13
6 Page | |||
ページ | 合計 : 9 ページ | ||
|
PDF ダウンロード | [ NJU7777 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
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NJU7772 | (NJU7771 - NJU7776) LOW DROPOUT VOLTAGE REGULATOR | New Japan Radio |
NJU7773 | (NJU7771 - NJU7776) LOW DROPOUT VOLTAGE REGULATOR | New Japan Radio |