IC manufacturers Alpha & Omega Semiconductor
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Overview
| Topology | Buck Converter |
| Input voltage | 3-36 V |
| Switching frequency | 200-2000 kHz |
| Output 1 | 36 V / 2.5 A |
| IC revision | 1.0 |
Description
The AOZ1283 is a high voltage, high efficiency, simple to use, 2.5A buck regulator optimized for a variety of applications. The AOZ1283 works from a 3.0V to 36V input voltage range, and provides up to 2.5A of continuous output current. The output voltage is adjustable from 30V down to 0.8V.
The AOZ1283 integrates an N-channel high-side power MOSFET. The switching frequency can set from 200kHz to 2MHz with an external resistor. The soft-start time can be set with an external capacitor.
Features
- 3.0V to 36V operating input voltage range
- 50mΩ internal NMOS
- Up to 95% efficiency
- Adjustable soft-start
- Output voltage adjustable from 0.8V to 30V
- 2.5A continuous output current
- Adjustable switching frequency from 200kHz to 2MHz
- Cycle-by-cycle current limit
- Short-circuit protection
- Over-voltage protection
- Over-temperature protection
- EPAD SO-8 package
Typical applications
- LCD Monitors & TVs
- Set top boxes and cable modems
- DVD drives and HDDs
- Telecom/Networking/Datacom equipment
- Point-of-load DC/DC conversion
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 22 µH, 4.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance22 µH | Performance Rated Current4.5 A | Saturation Current @ 10%5 A | Saturation Current @ 30%10.8 A | DC Resistance74 mΩ | Self Resonant Frequency7 MHz | MountSMT |