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AAT1106

Advanced Analog Technology
Part Number AAT1106
Manufacturer Advanced Analog Technology
Description 2-CHANNEL STEP-UP PWM CONTROLLERS
Published Aug 28, 2008
Detailed Description Advanced Analog Technology, Inc. AAT1106 Preliminary and Provisional 2-CHANNEL STEP-UP PWM CONTROLLERS Features z Compl...
Datasheet PDF File AAT1106 PDF File

AAT1106
AAT1106

Overview
Advanced Analog Technology, Inc.
AAT1106 Preliminary and Provisional 2-CHANNEL STEP-UP PWM CONTROLLERS Features z Complete www.
DataSheet4U.
com z z z z z z z PWM Power Control Circuitry Under-voltage Lockout Protection Totem pole Output Output Short Circuit Protection Dead Time Control¡G 0 to 100% Wide Operating Frequency¡G 10kHz to 800kHz Shut Down Control Power Good Protection General Description The AAT1106 series provides an integrated two-channel pulse-width-modulation (PWM) solution for the power supply of DC-DC system, this device offers the systems engineer the flexibility to tailor the power supply circuitry to a specific application.
Each channel contains its own error amplifier, PWM comparator, dead–time control and output driver.
The under-voltage protection, oscillator, short circuit protection and voltage reference circuit are common for the two channels.
The AAT1106 contains two boost (step-up) exclusive circuit.
Dead-time control (DTC) can be set to provide 0% to 100% dead time by resistive divider network.
Soft start can be implemented by paralleling the DTC resistor with a capacitor.
Two dead time control inputs are assigned for Ch-1 and Ch-2 individually, and dead time control inputs can be used to control on / off operation.
With a minimum number of external components, the AAT1106 series offers a simple and cost effective solution.
Pin Configuration TOP VIEW CT RT SHDN INV1 FB1 DTC1 OUT1 GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Vref SCP PRDB INV2 FB2 DTC2 OUT2 VDD (TSSOP-16 PACKAGE) *Spec is subject to change without notice in this document.
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AAT1106 Pin Description Pin # Name 1 2 3 www.
DataSheet4U.
com 4 5 6 7 8 9 10 11 12 13 14 15 16 CT RT SHDN INV1 FB1 DTC1 OUT1 GND VDD OUT2 DTC2 FB2 INV2 PRDB SCP Vref I/O I External timing capacitance I External timing resistance I Shut down input pin¡] internal pull "H"¡^ Description I Negative i...


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