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AiT Semiconductor

A7142 Datasheet Preview

A7142 Datasheet

WIDE INPUT RANGE STEP-DOWN DC-DC CONVERTER

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AiT Semiconductor Inc.
www.ait-ic.com
A7142
DC-DC CONVERTER/ BUCK (STEP-DOWN)
150KHz, 2A PWM BUCK DC-DC CONVERTER
DESCRIPTION
FEATURES
The A7142 series of regulators are monolithic 5V and adjustable output versions
integrated circuits that provide all the active functions Adjustable version output voltage range 1.23V
for a step-down (buck) switching regulator, capable of
to 37V
driving a 2A load with excellent line and load Input voltage range up to 40V
regulation. These devices are available in fixed output Guaranteed 2A output current
voltage of 5V and adjustable output version.
150KHz fixed frequency internal oscillator
Built-in thermal shutdown and current limit
The A7142 operates at a switching frequency of
protection
150KHz thus allowing smaller sized filter components Available in SOP8 and PSOP8 Packages
than what would be needed with lower frequency
switching regulators.
APPLICATION
Other features include a guaranteed ±3% tolerance
on output voltage under specified input voltage and
output load conditions, and ±15% on the oscillator
frequency. External shutdown is included, featuring
typically 100μA standby current.
Fixed voltage power supply for LCD monitor
and LCD TV
On-Card switching regulation
Simple high efficiency Step-down regulator
The A7142 is available in SOP8 and PSOP8
packages.
TYPICAL APPLICATION
ORDERING INFORMATION
Package Type
Part Number
SOP8
A7142M8R-XX
M8
A7142M8VR-XX
PSOP8
MP8
A7142MP8R-XX
A7142MP8VR-XX
XX: 50=5.0V, ADJ=Adjustable
Note
R: Tape & Reel
V: Halogen free Package
AiT provides all RoHS products
Suffix V means Halogen free Package
A7142-50 (Fixed Output)
REV1.1
- MAY 2009 RELEASED, JUL 2012 UPDATED -
-1-




AiT Semiconductor

A7142 Datasheet Preview

A7142 Datasheet

WIDE INPUT RANGE STEP-DOWN DC-DC CONVERTER

No Preview Available !

AiT Semiconductor Inc.
www.ait-ic.com
PIN DESCRIPTION
A7142
DC-DC CONVERTER/ BUCK (STEP-DOWN)
150KHz, 2A PWM BUCK DC-DC CONVERTER
Pin #
1
2
3
4
5,6,7,8
Top View
Symbol
VIN
VOUT
FB
SD
GND
Input Voltage Pin
Output Voltage Pin
Feed Back Pin
Shutdown
Ground Pin
Top View
Function
REV1.1
- MAY 2009 RELEASED, JUL 2012 UPDATED -
-2-


Part Number A7142
Description WIDE INPUT RANGE STEP-DOWN DC-DC CONVERTER
Maker AiT Semiconductor
Total Page 11 Pages
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