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Overview
| Topology | Buck Converter |
| Input voltage | 12-75 V |
| Switching frequency | 50-750 kHz |
| Output 1 | 5 V / 3 A |
| IC revision | 003 |
Description
This evaluation board has been developed for ROHM’s non-synchronous buck DC/DC converter customers evaluating BD9G341AEFJ. While the BD9G341AEFJ accepts a power supply input range of 12V to 76V, and generates output voltages from 1V to Vcc, this evaluation board is setup for the same input voltage range and a fixed output of 5V can be produced. The IC has internal 150mΩ N-channel MOSFET and the operating frequency is programmable from 50kHz to 750kHz. A fixed Soft Start circuit prevents inrush current during startup along with UVLO (low voltage error prevention circuit) and TSD (thermal shutdown detection), OCP (over current protection), OVP (over voltage protection) protection circuits. The under voltage lockout and hysteresis can be set by external resistor using EN pin. An EN pin allows for simple ON/OFF control of the IC to reduce standby current consumption.
Typical applications
- Automative application
- battery powered equipment
- Industrial Distributed power application
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709330 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 33 | 5.5 | 6.8 | 4.2 | 5.5 | 45 | 8.5 | 1210 | Standard |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709330 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples |
|---|