DATA SHEET
AAT1232
24V, 100mA Step-Up Converter
General Description
Features
The AAT1232 is a high frequency, high efficiency boost
converter capable of 24V maximum output voltage. The
internal power switch can deliver 100mA load current. It
is the ideal power solution to power OLED, LCD, and
CCD applications operating from a single cell lithium-ion
battery.
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The high switching frequency (up to 2MHz) provides fast
response to load transients with small external components. The fully integrated control IC simplifies the design
while reducing the total PCB footprint. The AAT1232
offers a true load disconnect feature which isolates the
load from the power source when EN/SET is pulled low.
This eliminates leakage current and maintains zero voltage at the output while disabled.
The output voltage can be dynamically set by activating
one of two reference levels (FB1 or FB2) through the SEL
logic pin. Optionally, Skyworks' Simple Serial Control™
(S2Cwire™) interface provides dynamic programmability
across a wide output voltage range through the EN/SET
pin.
The AAT1232 is available in a Pb-free, thermally-enhanced
16-pin 3x4mm TDFN low-profile package or a Pb-free
12-pin TSOPJW package.
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VIN Range: 2.7V to 5.5V
Maximum Output: 24V @ 100mA
True Load Disconnect
Dynamic Voltage Control Options
Hysteretic Control
▪ No External Compensation Components
▪ Excellent Load Transient Response
▪ High Efficiency at Light Load
Up to 2MHz Switching Frequency
Ultra-Small Inductor and Capacitors
Integrated Low RDS(ON) MOSFET Switches
Up to 85% Efficiency
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