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參數資料
| 型號： | ADP3333 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 基準電壓源/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的低壓差穩壓器的反向電流保護 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 119K |
| 代理商： | ADP3333 |
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
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
ADP3333
Hgh Accuracy UtralowI
Q
, 300 mA
anyCAP
LowDropout Regulator
FUNCT IONAL BLOCK DIAGRAM
THERMAL
PROTECTION
CC
IN
ADP3333
OUT
GND
Q1
BANDGAP
REF
DRIVER
g
m
SD
R1
R2
FEATURES
High Accuracy Over Line and Load:
1.8% Over Temperature
Ultralow Dropout Voltage: 230 mV (Max) @ 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 Noise
Low Shutdown Current: < 1 A
2.6 V to 12 V Supply Range
–40 C to +85 C Ambient Temperature Range
Ultrasmall 8-Lead MSOP Package
0.8% @ 25 C,
APPLICATIONS
Cellular Phones
PCMCIA Cards
Personal Digital Assistants (PDAs)
DSP/ASIC Supplies
GE NE RAL DE SCRIPT ION
ADP3333 is a member of the ADP333x family of precision low
dropout anyCAP voltage regulators. Pin-compatible with the
MAX 8860, the ADP3333 operates with a wider input voltage
range of 2.6 V to 12 V and delivers a load current up to 300 mA.
ADP3333 stands out from other conventional LDOs with a
novel architecture and an enhanced process that enables it to
offer performance advantages over its competition. Its patented
design requires only a 1.0
μ
F output capacitor for stability. T his
device is insensitive to output capacitor Equivalent Series Resis-
tance (ESR), and is stable with any good quality capacitor,
including ceramic (MLCC) types for space-restricted applica-
tions. ADP3333 achieves exceptional accuracy of
±
0.8% at
room temperature and
±
1.8% over temperature, line and load
variations. T he dropout voltage of ADP3333 is only 140 mV
(typical) at 300 mA. T his device also includes a safety current
limit, thermal overload protection and a shutdown feature. In
shutdown mode, the ground current is reduced to less than
1
μ
A. T he ADP3333 has ultralow quiescent current, 70
μ
A (typ)
in light load situations.
ADP3333
NC
V
IN
IN
GND
V
OUT
ON
OFF
OUT
SD
C
IN
1 F
C
OUT
1 F
NC = NO CONNECT
Figure 1. Typical Application Circuit
anyCAP is a registered trademark of Analog Devices, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP3333_09 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Accuracy Ultralow IQ, 300 mA, anyCAP Low Dropout Regulator |
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| ADP3333ARM-1.5-RL | 制造商:Analog Devices 功能描述:LDO Regulator Pos 1.5V 0.6A 8-Pin MSOP T/R |
| ADP3333ARM-1.5-RL7 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 1.5V 0.6A 8-Pin MSOP T/R |
| ADP3333ARM-1.8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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