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Overview
| Topology | Buck Converter |
| Input voltage | 3-5.5 V |
| Switching frequency | 800-1200 kHz |
| Output 1 | 1.8 V / 4 A |
| IC revision | 004 |
Description
BD9137MUV is ROHM’s high efficiency step-down switching regulator designed to produce a voltage as low as 0.8V from a supply voltage of 5.5V/3.3V. It offers high efficiency by using pulse skip control technology and synchronous switches, and provides fast transient response to sudden load changes by implementing current mode control.
Features
- Fast Transient Response because of Current Mode PWM Control System.
- High Efficiency for All Load Ranges because of Synchronous Switches (Nch/Nch 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,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437336022 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 2.2 | 6.2 | 7 | 14 | 35 | 42 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437336022 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples |
|---|