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參數(shù)資料
| 型號： | ADP3334 |
| 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： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護(hù) |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 230K |
| 代理商： | ADP3334 |
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
ADP3334
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
Analog Devices, Inc., 2001
Hgh Accuracy LowI
Q
, 500 mA
anyCAP
Adjustable LowDropout Regulator
FEATURES
High Accuracy Over Line and Load: 0.9% @ 25 C,
1.8% over Temperature
Ultralow Dropout Voltage: 200 mV (Typ) @ 500 mA
Requires Only C
O
= 1.0 F for Stability
anyCAP = Stable with Any Type of Capacitor
(Including MLCC)
Current and Thermal Limiting
Low Noise
Low Shutdown Current: < 1.0 A (Typ)
2.6 V to 11 V Supply Range
1.5 V to 10 V Output Range
–40 C to +85 C Ambient Temperature Range
Thermally-Enhanced 8-Lead SO Package
APPLICATIONS
Cellular Phones
Camcorders, Cameras
Networking Systems, DSL/Cable Modems
Cable Set-Top Boxes
DSP Supplies
Personal Digital Assistants
GE NE RAL DE SC RIPT ION
T he ADP3334 is a member of the ADP333x family of precision
low dropout anyCAP voltage regulators. T he ADP3334 operates
with an input voltage range of 2.6 V to 11 V and delivers a
continuous load current up to 500 mA. T he novel anyCAP
architecture requires only a very small 1
μ
F output capacitor for
stability, and the LDO is insensitive to the capacitor’s equiva-
lent series resistance (ESR). T his makes ADP3334 stable with any
capacitor, including ceramic (MLCC) types for space restricted
applications.
T he ADP3334 achieves exceptional accuracy of
±
0.9% at room
temperature and
±
1.8% over temperature, line, and load. T he
dropout voltage of the ADP3334 is only 200 mV (typical) at
500 mA. T his device also includes a safety current limit, ther-
mal overload protection and a shutdown feature. In shutdown
mode, the ground current is reduced to less than 1
μ
A. T he
ADP3334 has low quiescent current 90
μ
A (typical) in light
load situations.
FUNCT IONAL BLOCK DIAGRAM
THERMAL
PROTECTION
CC
IN
ADP3334
OUT
GND
Q1
BANDGAP
REF
DRIVER
g
m
FB
SD
anyCAP is a registered trademark of Analog Devices, Inc.
C
NR
ADP3334
OUT
V
IN
IN
GND
V
OUT
ON
OFF
IN
OUT
R1
R2
SD
C
IN
1 F
FB
C
OUT
1 F
Figure 1. Typical Application Circuit
T he ADP3334 also features ADI’s thermally enhanced T hermal
Coastline package. T his allows 1 W of power dissipation without
any external heat sinking.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADP3334ACP | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Accuracy, Low IQ, anyCAP Adjustable Low Dropout Regulator |
| ADP3334ACP-REEL7 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 1.5V to 10V 0.8A 8-Pin LFCSP EP T/R |
| ADP3334ACPZ-REEL7 | 功能描述:IC REG LDO ADJ .5A 8LFCSP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:anyCAP® 標(biāo)準(zhǔn)包裝:75 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，可調(diào)式 輸出電壓:1.2 V ~ 37 V 輸入電壓:4.2 V ~ 40 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:500mA 電流 - 限制（最?。?500mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-3，DPak（2 引線+接片），SC-63 供應(yīng)商設(shè)備封裝:TO-252-3 包裝:管件 產(chǎn)品目錄頁面:1286 (CN2011-ZH PDF) 其它名稱:*LM317AMDT/NOPBLM317AMDT |
| ADP3334ACPZ-REEL7 | 制造商:Analog Devices 功能描述:LDO, ADJ, 1.5V TO 10V, 500mA, LFCSP-8 |
| ADP3334AR | 制造商:Rochester Electronics LLC 功能描述:500 MA ADJUSTABLE ANYCAP LDO - Bulk 制造商:Analog Devices 功能描述:IC VOLTAGE REGULATOR |
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