Advanced Analog Technology, Inc.
Advanced Analog Technology, Inc
.
V 0.1
AAT1103/AAT1103A
Preliminary and provisional
SINGLE-CHANNEL STEP UP DC/DC CONVERTER
Features
Wide Operating Voltage : 2.5V to 7V
Low Dissipation Current : Typically 2.0mA
In Operation, 1A or Less in Shut down
Mode
Power Ready Control
Output Short Circuit Protection
Operating Frequency800kHz
Internal Soft Start
Channel Control
Minimized External Components
Pin Configuration
TOP VIEW
1
2
3
4
5
6
7
8
FB
SCP
V
DD
PRDB
EO
SHDN
GND
SW
AAT1103
General Description
The AAT1103/AAT1103A is a single channel
pulse-width-modulation (PWM) controller circuit
solution for low voltage applications. A low
minimum operating voltage of 2.5V is ideal for
the power supply voltage of Li-Ion
battery-operated electronic equipment.
The IC provides soft start, short circuit protection
and shut down functions. During shut down mode,
current consumption is reduced less than 1A. The
error amplifier gain is built in the IC, so external
components are minimized. An external
compensation pin gives user flexibility in
determining loop compensation.
*Spec is subject to change without notice in this document.
TOP VIEW
1
2
3
4
5
6
7
8
FB
SCP
V
DD
CHC
EO
SHDN
GND
SW
AAT1103A
SOP-8 & TSSOP-8
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