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Overview
| Topology | Buck Converter |
| Input voltage | 3.1-5.5 V |
| Switching frequency | 800-1200 kHz |
| Output 1 | 1.8 V / 2 A |
| IC revision | 004 |
Description
BD9130NV is ROHM’s high efficiency step-downswitching regulator designed to provide a voltage aslow as 1V from a supply voltage of 5.5V/3.3V. It offershigh efficiency by using pulse skip control technologyand synchronous switches, and provides fast transientresponse to sudden load changes by implementingcurrent mode control.
Features
Fast Transient Response because of Current ModePWM Control System High Efficiency for All Load Ranges because ofSynchronous Switches (Nch/Pch FET) and SLLMTM(Simple Light Load Mode) Soft-Start Function Thermal Shutdown and UVLO Functions Short-Circuit Protection with Time Delay Function Shutdown Function
Typical applications
- Power Supply for LSI including DSP, Microcomputer and ASIC
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 2.2 µH, 3.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current3.6 A | Saturation Current @ 30%5.55 A | DC Resistance67 mΩ | Self Resonant Frequency42 MHz | Operating Voltage80 V | MountSMT |