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參數資料
| 型號： | AS1117M3-X |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| 中文描述： | 800mA的低壓差穩壓器的SCSI - 2有源終結者 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 76K |
| 代理商： | AS1117M3-X |
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94568 Tel: (925) 417-1391 Fax: (925) 417-1390
Rev. 9/14/99
ALPHA
SEMICONDUCTOR
Excellence in Analog Power Products
α
AS1117
800mA Low Dropout Regulator
SCSI-II Active Terminator
FEATURES
Guaranteed 800mA Output
Three Terminal Adjustable Or Fixed 1.5V, 2.5V, 2.85V, 3V, 3.3V & 5V
Very Low Quiescent Current
Low Dropout Voltage Of 1.2 Volts At Full Load
Extremely Tight Load And Line Regulation
Very Low Temperature Coefficient
Fixed 2.85V Device For SCSI-II Active Terminator
Logic-Controlled Electronic Shutdown
Internal Overcurrent Limiting & Thermal Overload Protection
Surface Mount Package SOT-223, TO-252, TO-220, SOT-89, TO-263, & SO-8
APPLICATIONS
SCSI-II Active Terminator
Portable/ Palm Top / Notebook Computers
Battery Chargers
Disk Drives
Portable Consumer Equipment
Portable Instrumentation
SMPS Post-Regulator
PRODUCT DESCRIPTION
The ALPHA Semiconductor AS1117 is a low power positive-voltage regulator designed to meet 800mA output current and comply
with SCSI-II specifications with a fixed output voltage of 2.85V. This device is an excellent choice for use in battery-powered
applications, as active terminators for the SCSI bus, and portable computers. The AS1117 features very low quiescent current and
very low dropout voltage of 1.2V at a full load and lower as output current decreases. AS1117 is available as an adjustable or fixed
2.85V, 3V, 3.3V, and 5V output voltages.
The AS1117 is offered in a 3-pin surface mount package SOT-223, TO-252, TO-220, SOT-89 & TO-263. The output capacitor of
10
μ
F or larger is needed for output stability of AS1117 as required by most of the other regulator circuits. Use of ALPHA
Semiconductor’s design, processing and testing techniques make our AS1117 superior over similar products.
ORDERING INFORMATION
TO-220
3-PIN
AS1117U
AS1117U-X
X= Output Voltage (X = 1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0, or Blank for Adjustable)
TO-263
3-PIN
AS1117T
AS1117T-X
SOT-223
3-PIN
AS1117M3
AS1117M3-X
PLASTIC
SOIC 8 PIN
AS1117S
AS1117S-X
SOT-89
3-PIN
AS1117M1
AS1117M1-X
TO-252
DPAK
AS1117R
AS1117R-X
Oper. Temp.
Range
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN CONNECTIONS
Top View
2
1
3
4
8
7
6
5
ALPHA
AS1117
8-Pin Surface Mount (S)
ALPHA
AS1117
2
SOT-89 (M1)
1
3
ALPHA
AS1117
2
1
3
SOT-223 (M3)
Top View
TO-263-3 (T)
1
ALPHA
AS1117
2
3
Front View
TO-220-3 (U)
ALPHA
AS1117
1
2
3
Front View
TO-252 (R)
ADJ/GND
V
OUT
1
2
3
V
IN
ALPHA
AS1117
ADJ/GND
V
OUT
V
IN
ADJ/GND
V
OUT
V
IN
ADJ/GND
V
OUT
V
IN
GND
N/C
V
OUT
V
OUT
N/C
V
IN
V
IN
V
IN
ADJ/GND
V
OUT
V
IN
Top View
Top View
相關PDF資料 |
PDF描述 |
|---|---|
| AS1117R | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| AS1117R-X | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| AS1117S | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| AS1117S-X | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| AS1117T | 800mA Low Dropout Regulator SCSI-II Active Terminator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AS1117R | 制造商:ALPHA 制造商全稱:ALPHA 功能描述:800mA Low Dropout Regulator SCSI-II Active Terminator |
| AS1117R-1.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1117R-2.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1117R-3.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1117R-3.3 | 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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