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ADP3342JRMZ-REEL PDF预览

ADP3342JRMZ-REEL

更新时间: 2024-11-23 15:29:47
品牌 Logo 应用领域
安森美 - ONSEMI 光电二极管输出元件调节器
页数 文件大小 规格书
16页 309K
描述
IC VREG 1.2 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8, MO-187AA, MSOP-8, Fixed Positive Single Output LDO Regulator

ADP3342JRMZ-REEL 数据手册

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Ultralow, IQ, anyCAP®  
Low Dropout Regulator  
ADP3342  
FEATURES  
FUN°TIONAL BLO°K DIAGRAM  
Accuracy over line and load: 4.0ꢀ ꢁ 25ꢂ°,  
5ꢀ over temperature  
Q1  
IN  
OUT  
VCC  
Ultralow dropout voltage: 190 mV (typ) ꢁ 300 mA  
Requires only °O = 1.0 µF for stability  
THERMAL  
CC  
PROTECTION  
any°AP architecture stable with any type of capacitor  
(including ML°°)  
°urrent and thermal limiting  
Low shutdown current: < 2 µA  
1.7 V ≤ VIN ≤ 6 V  
g
m
DRIVER  
PWRGD  
SD  
BAND GAP +  
REF –  
ADP3342  
2.8 V ≤ V°° ≤ 6 V  
GND  
VOUT = 1.2 V 5ꢀ  
0ꢂ° to +100ꢂ° ambient temperature range  
Ultrasmall thermally enhanced 8-lead MSOP package  
Figure 1.  
APPLI°ATIONS  
Notebook P°s  
Desktop P°s  
3.3V  
GENERAL DES°RIPTION  
3
VCC  
The ADP3342 is a unique member of the ADP33xx family  
of precision low dropout anyCAP voltage regulators. The  
ADP3342 operates with an input voltage range of 1.7 V to 6 V  
and delivers a continuous load current up to 300 mA. In order  
to support the ability to regulate from such a low input voltage,  
the power rail to the IC, VCC, has been split off from the main  
power rail, IN, from which the output is powered.  
ADP3342  
V
1.8V  
V
OUT  
1.2V  
IN  
7
6
2
5
IN  
OUT  
+
+
1µF  
1µF  
SD PWRGD  
ON  
GND  
4
OFF  
The ADP3342 stands out from the conventional LDOs because  
it has the lowest thermal resistance of any MSOP-8 package and  
an enhanced process that enables it to offer performance  
advantages beyond its competition. Its patented design requires  
only a 1.0 µF output capacitor for stability. This device is  
insensitive to output capacitor equivalent series resistance (ESR)  
and is stable with any good quality capacitor, including ceramic  
(MLCC) types for space-restricted applications. The dropout  
voltage of the ADP3342 is only 190 mV (typical) at 300 mA.  
This device also includes a safety current limit, thermal  
overload protection, and a shutdown control pin.  
Figure 2. Typical Application Circuit  
Rev. D  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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