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Overview
| Topology | Buck Converter |
| Input voltage | 7-28 V |
| Output 1 | 3.3 V / 3 A |
| IC revision | 1 |
Description
The RAA23014x and RAA23015x are 1CH step-down DC/DC converter, 7V to 28V input voltage range. AutoPFM mode makes devices low power operation at light load, so it makes a system lower power.The RAA23014x is suitable for battery backup system using lithium primary cell with built-in battery backupcircuit.
Features
- DC/DCSynchronous rectification type step-down DC/DCAuto PFM modeBattery backup circuit (RAA23014x)Input voltage range 7V to 28VOutput voltage range 0.8V to 6VMaximum output current 3AShutdown current 1uA (typ.)Switching frequency 1.1MHz (fixed)Soft start 2ms (fixed)Integrated power MOSFETsDischarge circuitInternal phase compensator
- Protection circuitShort circuit protection (latch type)Thermal shutdown circuit 165°C (typ.)Under voltage lockout circuit (recovery type)
- Package16-pin HTSSOP (RAA23014x)8-pin HLSOP (RAA23015x)
Typical applications
- Smart meter
- Communication (Router, Home Gate Way, Radio, etc.)
- Building (Security device, Emergency device, Various controller, etc.)
- OA (Printer, Plane paper copier, etc.)
- Industrial (Surveillance camera, Various controller, etc.)
- Smart home appliances
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744777004 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 4.7 | 4.9 | 4 | 40 | 37 | 7345 | Standard |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples |
|---|