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PDF A1117A Data sheet ( Hoja de datos )
| Número de pieza | A1117A | |
| Descripción | 1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A1117A
15V, 1A BIPOLAR LINEAR REGULATOR
CURRENT LIMIT AND THERMAL PROTECTION
DESCRIPTION
FEATURES
A1117A is a series of low dropout three-terminal Other than a fixed version and an adjustable
regulators with a dropout of 1.3V at 1A load current.
version, output value can be customized on
A1117A features a very low standby current 2mA
demand.
compared to 5mA of competitor.
Maximum output current is 1A
Range of operation input voltage: Max 15V
Other than a fixed version, VOUT = 1.2V, 1.8V, 2.5V,
3.3V and 5V, A1117A has an adjustable version,
Standby current: 2mA (typ.)
Line regulation: 0.1%/V (typ.)
which can provide an output voltage from 1.25 to 12V Load regulation: 10mV (typ.)
with only two external resistors.
Environment Temperature: -40°C~85°C
MLCC supported
A1117A offers thermal shut down and current limit Available in SOT-223 and TO-252 Packages
functions, to assure the stability of chip and power
system. And it uses trimming technique to guarantee
APPLICATION
output voltage accuracy within ±2%. Other output
voltage accuracy can be customized on demand, Power Management for Computer Mother
such as ±1%. MLCC supported.
Board, Graphic Card
BLD Monitor and BLD TV
The A1117A is available in SOT-223 and TO-252 DVD Decode Board
Packages.
ADSL Modem
Post Regulators for Switching Supplies
ORDERING INFORMATION
TYPICAL APPLICATION
Package Type
Part Number
SOT-223
N
A1117ANR-XX
A1117ANVR-XX
TO-252
D
A1117ADR-XX
A1117ADVR-XX
XX: Output Voltage,
12=1.2V, 18=1.8V,
Note
ADJ: Adjustable
R: Tape & Reel
V: Halogen free Package
AiT provides all RoHS products
Suffix “V” means Halogen free Package
Application circuit of A1117A fixed version
NOTE: Input capacitor (CIN=10uF) and Output capacitor
(COUT=10uF) are recommended in all application circuit.
Tantalum/MLCC capacitors are recommended.
REV2.2
- JUL 2010 RELEASED, MAY 2012 REVISED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A1117A
15V, 1A BIPOLAR LINEAR REGULATOR
CURRENT LIMIT AND THERMAL PROTECTION
TYPICAL PERFORMANCE CHARACTERISTICS
T=25°C unless specified.
1. Line Regulation
A1117A-ADJ VOUT Vs. VIN
2. Load Regulation
A1117A-ADJ VOUT Vs. IOUT
3. Dropout Voltage
A1117A-ADJ Dropout Vs. IOUT
4. Thermal performance with OTP
A1117A-ADJ VOUT Vs. Temp
REV2.2
- JUL 2010 RELEASED, MAY 2012 REVISED -
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
IMPORTANT NOTICE
A1117A
15V, 1A BIPOLAR LINEAR REGULATOR
CURRENT LIMIT AND THERMAL PROTECTION
AiT Semiconductor Inc. (AiT) reserves the right to make changes to any its product, specifications, to
discontinue any integrated circuit product or service without notice, and advises its customers to obtain the
latest version of relevant information to verify, before placing orders, that the information being relied on is
current.
AiT Semiconductor Inc.'s integrated circuit products are not designed, intended, authorized, or warranted to
be suitable for use in life support applications, devices or systems or other critical applications. Use of AiT
products in such applications is understood to be fully at the risk of the customer. As used herein may
involve potential risks of death, personal injury, or servere property, or environmental damage. In order to
minimize risks associated with the customer's applications, the customer should provide adequate design and
operating safeguards.
AiT Semiconductor Inc. assumes to no liability to customer product design or application support. AiT
warrants the performance of its products of the specifications applicable at the time of sale.
REV2.2
- JUL 2010 RELEASED, MAY 2012 REVISED -
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet A1117A.PDF ] | |
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