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Overview
| Topology | Buck Converter |
| Input voltage | 4.7-25 V |
| Output 1 | 3.3 V / 3 A |
| IC revision | 1.0 |
Description
The AP6503B is a 340kHz switching frequency external compensated synchronous DCDC buck converter. It has integrated low RDSON high and low side MOSFETs. The AP6503B enables continues load current of up to 3A with efficiency as high as 95%. The AP6503B features current mode control operation, which enables fast transient response times and easy loop stabilization. The AP6503B is available in a standard Green SO-8EPpackage with exposed PAD for improved thermal performance and is RoHS compliant.
Features
- VIN 4.7V to 23V
- 3A Continuous Output Current at 12Vin and 3.3Vout, 5.5A Peak
- VOUT Adjustable to 0.925 to 20V
- 340kHz Switching Frequency
- Programmable Soft-Start
- Enable Pin
- Protection
- OCP
- Thermal Shutdown
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
Typical applications
- Distributed Power Systems
- Gaming Consoles, TV Sets and Monitors, Set Top Boxes, Home Audio, Consumer Electronics
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443251000 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 10 | 9.5 | 4 | 8.5 | 16.3 | 21 | Superflux |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443251000 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|
