AOZ1012D
AOZ1012D is 3A Simple Buck Regulator manufactured by Alpha & Omega Semiconductors.
Description
The AOZ1012D is a high efficiency, simple to use, 3A buck regulator. The AOZ1012D works from a 4.5V to 16V input voltage range, and provides up to 3A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1012D es in 4X5 DFN-8 packages and is rated over a -40°C to +85°C ambient temperature range.
Features
- 4.5V to 16V operating input voltage range
- 50 m Ω internal PFET switch for high efficiency: up to 95%
- Internal Schottky Diode
- Internal soft start
- Output voltage adjustable to 0.8V
- 3A continuous output current
- Fixed 500k Hz PWM operation
- Cycle-by-cycle current limit
- Short-circuit protection
- Thermal shutdown
- Small size DFN-8 packages Applications
- Point of load dc/dc conversion
- PCIe graphics cards
- Set top boxes
- DVD drives and HDD
- LCD panels
- Cable modems
- Tele/Networking/Data equipment
Typical Application
C1 22u F
VIN From u PC EN
L1 3.3u H
R1
VOUT
+3.3V Output @3A
C2
FB GND
R2
47u F
Figure 1. 3.3V/3A Buck Down Regulator
April 2006
.aosmd.
Page 1 of 17
..
^lw...
