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參數資料
| 型號： | ADP3303AR-5 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RECTIFIER SCHOTTKY SINGLE 5A 45V 175A-ifsm 0.55V-vf 0.5mA-ir TO220AC 50/TUBE |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 135K |
| 代理商： | ADP3303AR-5 |
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADP3303A
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
High Accuracy anyCAP Adjustable
200 mA Low Dropout Linear Regulator
FUNCTIONAL BLOCK DIAGRAM
Q2
THERMAL
PROTECTION
g
m
Q1
CC
BANDGAP
REF
DRIVER
ADP3303A
OUT
IN
ERR
SD
GND
FB
ADP3303A
ERR
OUT
IN
FB
R1
C2
1
m
F
V
OUT
= +5V
ON
OFF
SD
GND
C1
0.47
m
F
V
IN
R2
R3
330k
V
E
OUT
SD
Figure 1. Typical Application Circuit
FEATURES
High Accuracy Over Line and Load:
6
0.8% @ +25
8
C,
6
1.4% Over Temperature
Ultralow Dropout Voltage: 150 mV Typical @ 200 mA
Requires Only C
O
= 1
m
F for Stability
anyCAP = Stable with All Types of Capacitors
(Including MLCC)
Current and Thermal Limiting
Low Noise
Dropout Detector
Low Shutdown Current: 1
m
A
3.2 V to 12 V Supply Range
Adjustable 2.2 V to 10 V Output Range
–20
8
C to +85
8
C Ambient Temperature Range
Thermally Enhanced TSSOP-14 Package
APPLICATIONS
Cellular Telephones
Notebook, Palmtop Computers
Battery Powered Systems
Portable Instruments
Post Regulator for Switching Supplies
Bar Code Scanners
GENERAL DESCRIPTION
The ADP3303A is a member of the ADP330x family of preci-
sion low dropout anyCAP voltage regulators. The ADP3303A
stands out from conventional LDOs with a novel architecture,
an enhanced process and a new package. Its patented design
requires only a 1
μ
F output capacitor for stability. This device is
insensitive to output capacitor ESR (Equivalent Series Resis-
tance), and is stable with any good quality capacitor, including
ceramic types (MLCC) for space restricted applications. The
ADP3303A achieves exceptional accuracy of
±
0.8% at room
temperature and
±
1.4% overall accuracy over temperature, line
and load variations. The dropout voltage of the ADP3303A is
only 150 mV (typical) at 200 mA.
In addition to the new architecture and process, ADI’s new
proprietary thermally enhanced package (Thermal Coastline)
can handle 1 W of power dissipation without an external heat
sink or large copper surface on the PC board. This keeps PC
board real estate to a minimum and makes the ADP3303A very
attractive for use in portable equipment.
The ADP3303A operates over an input voltage range of 3.2 V
to 12 V and delivers a load current in excess of 200 mA. The
output voltage can be adjusted from 2.2 V to 10 V using an
external resistor divider. It also features an error flag that signals
when the device is about to lose regulation or when the short
circuit or thermal overload protection is activated. Other fea-
tures include shutdown and optional noise reduction capabilities.
anyCAP is a trademark of Analog Devices Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP3303AR-5-REEL | 制造商:Analog Devices 功能描述:LDO Regulator Pos 5V 0.3A 8-Pin SOIC N T/R |
| ADP3303AR-5-REEL7 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 5V 0.3A 8-Pin SOIC N T/R |
| ADP3303ARU | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
| ADP3303ARZ-2.7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADP3303ARZ-3 | 制造商:Analog Devices 功能描述: |
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