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Diodes Incorporated AP65111AWU | Demoboard AP65111AWU-EVM
500kHz, 18V, 1.5A, Current Mode, DCM/CCM Synchronous DC/DC Buck Converter in TSOT26
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Output 1 | 3.3 V / 1.5 A |
| IC revision | 1.0 |
Description
The AP65111A is a 500kHz switching frequency internal compensated synchronous DC/DC buck converter. It has integrated low RDSON high and low side MOSFETs.The AP65111A enables continuous load current of up to 1.5A with efficiency as high as 97%.The AP65111A implements an automatic custom light load efficiency improvement algorithm.The AP65111A features current mode control operation, which enables fast transient response times and easy loop stabilization.
Features
- Synchronous Rectification: 160mΩ Internal High-side Switch and 85mΩ Internal Low-side Switch
- Wide Input Voltage Range: 4.5V to 18V
- Output Voltage Range: adjustable from 0.8V
- 1.5A Continuous Output Current
- 500kHz Switching Frequency
- Built-in Over Current Limit, Over Voltage Protect and UVLO
- Built-in Thermal Shutdown Protection
- Available in smaller package, TSOT-26
Typical applications
- Network Systems
- Distributed Power Systems / FPGA, DSP and ASIC Supplies
- Gaming Consoles / Flat Screen TV Sets and Monitors / Set Top Boxes / Home Audio
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744325650 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 6.5 | 11 | 4.4 | 10 | 12.5 | 27 | Superflux |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|