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NJU7747のメーカーはNew Japan Radioです、この部品の機能は「(NJU7747 / NJU7748) LOW DROPOUT VOLTAGE REGULATOR」です。 |
部品番号 | NJU7747 |
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部品説明 | (NJU7747 / NJU7748) LOW DROPOUT VOLTAGE REGULATOR | ||
メーカ | New Japan Radio | ||
ロゴ | |||
このページの下部にプレビューとNJU7747ダウンロード(pdfファイル)リンクがあります。 Total 4 pages
www.DataSheet4U.com
NJU7747/48
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DISCRIPTION
NJU7747/48 is a low dropout voltage regulator with ON/OFF
control.
Advanced CMOS technology achieves ultra low quiescent current.
SC-82AB package and 0.1µF small output capacitor make the
NJU7747/48 suitable for space conscious applications.
NJU7748 features shunt switch which improves turn off response
of output voltage when ON/OFF control is used.
PACKAGE OUTLINE
NJU7747/48F
FEATURES
Ultra Low quiescent Current Iq=1.5µA typ.(IO=0mA)
Output capacitor with 0.1uF ceramic capacitor
Output Current
High Precision Output
Low Dropout Voltage
With ON/OFF Control
IO(max.)=100mA
VO±1.0%
0.17V typ. (IO=40mA, VO=3V version)
(Active High)
With Output Shunt Switch Only NJU7748
Internal Short Circuit Current Limit
CMOS Technology
Package Outline
SC-82AB
PIN CONFIGURATION
4
3
PIN FUNCTION
1.CONTROL
2.GND
3. VOUT
1 2 4. VIN
NJU7747/48F4
EQUIVALENT CIRCUIT
VIN
CONTROL
Output
Control
VOUT
VIN
CONTROL
Output
Control
VOUT
GND
Vref
Current
Limit
NJU7747
GND
Vref
Current
Limit
NJU7748
Ver.2004-12-22
-1-
1 Page TEST CIRCUIT
A IIN
VIN VOUT
VIN
0.1µF
NJU7747/48
A ICONT CONTROL
V VCONT
GND
NJU7747/48
IOUT V VOUT
0.1µF
(Ceramic)
TYPICAL APPLICATION
1 In case that ON/OFF Control is not required:
VIN
VIN
VOUT
CIN
0.1µF
NJU7747/48
CONTROL
GND
Connect control terminal to VIN terminal.
2 In use of ON/OFF Control
VIN
CIN
0.1µF
VIN VOUT
NJU7747/48
CONTROL
GND
State of control terminal:
● “H” → output is enabled.
● “L” or “open” → output is disabled.
Ver.2004-12-22
VOUT
CO
0.1µF
VOUT
CO
0.1µF
-3-
3Pages | |||
ページ | 合計 : 4 ページ | ||
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PDF ダウンロード | [ NJU7747 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。 |
部品番号 | 部品説明 | メーカ |
NJU7741 | LOW DROPOUT VOLTAGE REGULATOR | New Japan Radio |
NJU7744 | LOW DROPOUT VOLTAGE REGULATOR | JRC |
NJU7747 | (NJU7747 / NJU7748) LOW DROPOUT VOLTAGE REGULATOR | New Japan Radio |
NJU7748 | (NJU7747 / NJU7748) LOW DROPOUT VOLTAGE REGULATOR | New Japan Radio |