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Overview
| Topology | Buck Converter |
| Input voltage | 10-56 V |
| Switching frequency | 50-500 kHz |
| Output 1 | 1 V |
Description
The BD9611MUV is a high-resistance, wide voltage input (10V to 56V), synchronous step-down switching regulator. BD9611MUV offers design flexibility through user-programmable functions such as soft-start, operating frequency, high-side current limit, and loop compensation. BD9611MUV uses voltage pulse width modulation, and drives 2 external N-channel FETs. The Under-Voltage Locked Output (EXUVLO) protection connected to its CTL terminal has high accuracy reference voltage. Its threshold voltage can be adjusted by the resistance ratio between VCC and GND as seen by pin CTL. BD9611MUV is safe for pre-biased outputs. It does not turn on the synchronous rectifier until the internal high-side FET has already started switching.
Features
- High Resistance and Wide Range Voltage Input : VCC=10V to 56V
- Regulated Voltage Output to Drive External FET gate: REG10=10V
- Internal Reference Voltage Accuracy: 0.8V±1.0%
- Safe for Pre-biased Outputs
- Adjustable Operating Frequency and Soft-start
- Master/Slave Synchronization
- Over Current Protection (OCP)
- Under Voltage Locked Output (UVLO, EXUVLO)
- Thermal Shut-down (TSD)
Typical applications
- Factory Automation Equipment
- Amusement machines
- Office Automation Equipment
- LED lighting
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR (A) | ISAT (A) | RDC max. (mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74435561100 | 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-HCI SMT Flat Wire High Current Inductor | 10 | 16.5 | 10 | 21.5 | 6.9 | 14 | WE-PERM 2 | 15 | 21.5 | 7.452 | SMT | ||
 | 744750560100 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FAMI THT Power Inductor | 10 | – | – | – | – | – | – | 11.4 | 13.4 | 6.8 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74435561100 | 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. | |
| 744750560100 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR (A) | ISAT (A) | RDC max. (mΩ) | Mount | Samples |
|---|