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Overview
| Topology | Buck Converter |
| Input voltage | 4-14 V |
| Switching frequency | 480-720 kHz |
| Output 1 | 12 V / 1.5 A |
| IC revision | 002+ |
Description
BD8303MUV is ROHM’s high efficiency step-up/step-down switching regulator IC. It produces output of 3.3V / 5V from 1 cell of lithium battery, 4 batteries, or 2 cells of Li batteries with just one inductor. This IC uses an original step-up/step-down drive system and provides a higher efficient power supply than conventional SEPIC-system or H-bridge system switching regulators.
Features
- Highly-Efficient Step-Up/Step-Down DC/DCConverter Implemented with Just One Inductor
- Supports High-Current Applications with ExternalN-Channel FET
- Incorporates a Soft-Start Function
- Incorporates a Timer-Latch System with ShortCircuit Protection Function
Typical applications
- Portable DVDs player, Laptop PCs
- DVC (Digital Video Camera), Single-Lens Reflex Cameras
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012005060 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 68 pF | ±5% | 50 | 0402 | -55 °C up to +125 °C | 1000 | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | – | – | ||
 | 74477004 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | – | – | – | 1280 | -40 °C up to +125 °C | – | – | – | 12 | 12 | 8 | – | – | 4.7 | 11 | 12 | 31.2 | Standard |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012005060 | SPEC | |
| 74477004 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Version | Samples |
|---|