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參數資料
| 型號： | ADP3301 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 100 mA Low Dropout Linear Regulator(高精度低壓差線性穩壓器) |
| 中文描述： | 一〇 〇毫安低壓差線性穩壓器（高精度低壓差線性穩壓器） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 114K |
| 代理商： | ADP3301 |
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADP3301
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
GE NE RAL DE SCRIPT ION
T he ADP3301 is a member of the ADP330x family of precision
low dropout anyCAP * voltage regulators. T he ADP3301
stands out from the conventional LDOs with a novel architec-
ture, an enhanced process and a new package. Its patented
design includes a noninverting wideband driver and a stage that
permits the use of an internal “pole splitting” capacitor to
stabilize the feedback loop with a single output capacitor as
small as 0.47
μ
F. T his device is stable with any type of capacitor
regardless of its ESR (Equivalent Serial Resistance) value,
including ceramic types (MLCC) for space restricted applica-
tions. T he ADP3301 achieves exceptional accuracy of
±
0.8% at
room temperature and
±
1.4% overall accuracy over tempera-
ture, line and load regulations. T he dropout voltage of the
ADP3301 is only 100 mV (typical) at 100 mA.
In addition to the new architecture and process, ADI’s new
proprietary thermally enhanced package (T hermal Coastline)
can handle 1 W of power dissipation without external heat sink
or large copper surface on the PC board. T his keeps PC board
real estate to a minimum and makes the ADP3301 very
attractive for use in portable equipment.
Hgh Accuracy anyCAP *
100 mALowDropout Linear Regulator
FEATURES
High Accuracy (Over Line and Load Regulations
at +25
8
C):
6
0.8%
Ultralow Dropout Voltage: 100 mV Typical @ 100 mA
Requires Only C
O
= 0.47
m
F for Stability
anyCAP * = Stable with All Types of Capacitors
Current and Thermal Limiting
Low Noise
Dropout Detector
Low Shutdown Current: 1
m
A
Several Fixed Voltage Options
3.0 V to 12 V Supply Range
–20
8
C to +85
8
C Ambient Temperature Range
Thermally Enhanced SO-8 Package
Excellent Line and Load Regulations
APPLICATIONS
Cellular Telephones
Notebook, Palmtop Computers
Battery Powered Systems
Portable Instruments
Post Regulator for Switching Supplies
Bar Code Scanners
T he ADP3301 operates with a wide input voltage range from
3 V to 12 V and delivers a load current in excess of 100 mA. It
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 features include shutdown and
optional noise reduction capabilities. T he ADP330x anyCAP *
LDO family offers a wide range of output voltages and output
current levels from 50 mA to 300 mA:
ADP3300 (50 mA, SOT -23)
ADP3302 (100 mA, Dual Output)
ADP3304 (100 mA, Dual Output with Separate Grounds)
ADP3303 (200 mA)
ADP3306 (300 mA)
ADP3301-5.0
5
4
6
3
NR
OUT
IN
1
2
7
8
ERR
R1
330k
E
OUT
C2
0.47μF
V
OUT
= +5V
ON
OFF
GND
C1
0.47μF
V
IN
Figure 1. Typical Application Circuit
FUNCT IONAL BLOCK DIAGRAM
Q2
THERMAL
PROTECTION
Gm
Q1
CC
BANDGAP
REF
DRIVER
R1
R2
ADP3301
OUT
IN
ERR
SD
GND
*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 |
|---|---|
| ADP3301AR-2.7 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 2.7V 0.2A 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:100 MA LINEAR REGULATOR - 2.7V - Bulk |
| ADP3301AR-2.7-REEL | 制造商:Analog Devices 功能描述:LDO Regulator Pos 2.7V 0.2A 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:100 MA LINEAR REGULATOR - 2.7V - Tape and Reel |
| ADP3301AR-27 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Accuracy anyCAP⑩ 100 mA Low Dropout Linear Regulator |
| ADP3301AR-3 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 3V 0.2A 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:100MA LINEAR REGULATOR 3.0V - Bulk |
| ADP3301AR-3.2 | 制造商:Analog Devices 功能描述:LDO Regulator Pos 3.2V 0.2A 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:100MA LINEAR REGULATOR 3.2V - Bulk |
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