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AAT1109A Datasheet

  • AAT1109A

  • ONE-CHANNEL BOOST SWITCHING REGULATOR

  • 10頁(yè)

  • ANALOGICTECH

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Advanced Analog Technology, Inc.
AAT1109A
Preliminary and Provisional
ONE-CHANNEL BOOST SWITCHING REGULATOR
Features
Under-voltage lockout protection
Totem pole output
Output short circuit protection
Incorporates soft start function
Wide operating frequency錛?/div>
10kHz to 1MHz
Shut down control
Low dissipation current :
Typical 1.6mA in operation
Sop-8 & Tssop-8 package available
General Description
The AAT1109A is a one-channel switching
regulator control IC incorporating a soft start
function and a short circuit protection function.
Each device consists of an on-chip voltage reference,
error amplifier, pulse width modulation controller,
under-voltage protection, soft start and short circuit
protection circuits. Switching frequencies up to
1MHz are set by an external resistor and capacitor.
Soft-start time can be implemented by the SCP
capacitor.
Additionally, a chip enable feature is provided to
power down reducing the supply current to 10uA.
With a minimum number of external components,
the AAT1109A offers a simple and cost effective
solution.
Pin Configuration
TOP VIEW
-IN
SCP
Vcc
CE
1
2
3
4
8
7
6
5
FB
OSC
GND
OUT
(SOP-8 PACKAGE)
(TSSOP-8 PACKAGE)
鈥?/div>
鈥?/div>
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鈥?/div>
Advanced Analog Technology, Inc
.
鈥?/div>
V 0.1

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