3.2A PWM Buck DC/DC Converter
Global Mixed-mode Technology Inc.
AT1529
1MHz, All-Ceramic, 3.2A PWM Buck DC/DC Converter
Features
Ceramic Input an...
Description
Global Mixed-mode Technology Inc.
AT1529
1MHz, All-Ceramic, 3.2A PWM Buck DC/DC Converter
Features
Ceramic Input and Output Capacitors Efficiency Up to 94% Operate from 2.5V to 6V supply Adjustable Output from 0.8V to VIN Internal Soft-Start Short-Circuit and Thermal-Overload Protection Input Over Voltage Protection RoHS Compliant
Applications
ASIC/DSP/µP/FPGA Core and I/O Voltages Set-Top Boxes Cellular Base Stations Networking and Telecommunications
General Description
The AT1529 high-efficiency, DC/DC buck converter delivers up to 3.2A of output current. The device operates from an input voltage of 2.5V to 6V and provides an output voltage from 0.8V to VIN, making the AT1529 ideal for on-board post-regulation applications.
The AT1529 operate at a fixed frequency of 1MHz with an efficiency of up to 94%. The high operating frequency minimizes the size of external components. Internal soft-start control circuitry reduces inrush current. Short-circuit and thermal-overload protections improve design reliability.
The AT1529 are available in a space-saving SOP-8 and TDFN3X3-8 package.
Ordering Information
ORDER NUMBER
MARKING
AT1529F11U
A1529
AT1529RD1U
A1529
Note: F1:SOP-8 (FD) RD: TDFN3X3-8
1: Bonding Code
U: Tape & Reel
TEMP.
RANGE -40°C to +85°C -40°C to +85°C
PACKAGE (Green)
SOP-8 (FD) TDFN3X3-8
Pin Configuration
Typical Application Circuit
VCC 1 REF 2 GND 3
FB 4
AT1529
Thermal Pad
8 VIN 7 LX 6 PGND 5 EN
VCC 1
REF GND
FB
2 3 4
...
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