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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-16 V |
| Output 1 | 6 V / 3 A |
| Output 2 | 3.3 V / 3 A |
| IC revision | 1.0 |
Description
The RAA23022x and RAA23023x are dual step-down DC/DC converter, 4.5V to 16V input voltage rage and 3A output current. Auto PFM mode makes devices low power operation at light load, so it makes a system lower power.
The RAA23022x is suitable for battery backup system using lithium primary cell with built-in battery backup circuit.
Features
- DC/DC
- Input voltage range 4.5V to 16V
- Shutdown current 1uA (typ.)
- Auto PFM mode
- Maximum output current 3A
- Synchronous rectification type step-down DC/DC
- Integrated power MOSFETs
- Switching frequency 1.1MHz (fixed)
- Output voltage range 0.8V to 6V
- Internal phase compensator
- Soft start 2ms (fixed)
- Discharge circuit
- Power Good
- Battery backup circuit (RAA23022x)
- Protection circuit
- Short circuit protection (latch type)
- Thermal shutdown circuit 165°C (typ.)
- Under voltage lockout circuit (recovery type)
- Package
- 20-pin HTSSOP
Remarks:List of inductorRefer page no.25
Typical applications
- Communication (Router, Home Gate Way, Radio, etc.)
- OA (Printer, Plane paper copier, etc.)
- Industrial (Surveillance camera, Various controller, etc.)
- Building (Security device, Emergency device, Various controller, etc.)
- Smart meter
- Smart home appliances And, usable various application