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Numéro de référence | AAT1106 | ||
Description | 2-CHANNEL STEP-UP PWM CONTROLLERS | ||
Fabricant | Advanced Analog Technology | ||
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1 Page
Advanced Analog Technology, Inc.
Preliminary and Provisional
AAT1106
2-CHANNEL STEP-UP PWM CONTROLLERS
Features
www.DataShzeet4UC.coomm plete PWM Power Control Circuitry
z Under-voltage Lockout Protection
z Totem pole Output
z Output Short Circuit Protection
z Dead Time Control 0 to 100%
z Wide Operating Frequency
10kHz to 800kHz
z Shut Down Control
z Power Good Protection
Pin Configuration
TOP VIEW
CT
RT
SHDN
INV1
FB1
1
2
3
4
5
16 Vref
15 SCP
14 PRDB
13 INV2
12 FB2
DTC1 6
11 DTC2
OUT1 7
10 OUT2
GND 8
9 VDD
(TSSOP-16 PACKAGE)
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.
*Spec is subject to change without notice in this document.
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Advanced Analog Technology, Inc. –
V 0.1
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Pages | Pages 11 | ||
Télécharger | [ AAT1106 ] |
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