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參數(shù)資料
| 型號： | ADP3342JRM-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 1.2 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 165K |
| 代理商： | ADP3342JRM-REEL7 |
REV. 0
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
ADP3342
Tel: 781/329-4700Fax: 781/326-8703
Analog Devices, Inc., 2002Ultralow, I
Q
, anyCAP
Low Dropout Regulator
FEATURES
Accuracy Over Line and Load: 4.0% @ 25 C,
5% Over Temperature
Ultralow Dropout Voltage: 300 mV (Typ) @ 300 mA
Requires Only C
O
= 1.0 F for Stability
anyCAP = Stable with any Type of Capacitor
(including MLCC)
Current and Thermal Limiting
Low Shutdown Current: < 2 A
1.7 V V
IN
6 V
2.8 V VCC 6 V
V
OUT
= 1.2 V 5%
–40 C to +100 C Ambient Temperature Range
Ultrasmall Thermally Enhanced 8-Lead MSOP Package
APPLICATIONS
Notebook PCs
Desktop PCs
GENERAL DESCRIPTION
The ADP3342 is a unique member of the ADP330x 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, V
IN
,
from which the output is powered.
The ADP3342 stands out from the conventional LDOs with 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
μ
F 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.
FUNCTIONAL BLOCK DIAGRAM
THERMAL
PROTECTION
CC
IN
ADP3342
OUT
GND
Q1
g
m
BANDGAP +
REF –
DRIVER
VCC
PWRGD
SD
+
VCC
IN
IN
SD
OUT
OUT
PWRGD
GND
ADP3342
+
ON
OFF
1 F
V
IN
1.8V
1 F
V
OUT
1.2V
3.3V
Figure 1. Typical Application Circuit
anyCAP
is a registered trademark of Analog Devices, Inc.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADP3342JRMZ-R7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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| ADP3367 | 制造商:AD 制造商全稱:Analog Devices 功能描述:+5 V Fixed, Adjustable Low-Dropout Linear Voltage Regulator |
| ADP3367AR | 制造商:Analog Devices 功能描述:LDO Regulator Pos 1.3V to 16V5V 0.2A 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:LOW DROPOUT LINEAR VOLTAGE REGULATOR - Bulk 制造商:Analog Devices 功能描述:IC VOLTAGE REGULATOR |
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