ROHM Semiconductor BD9S402MUF-C Single Synch Buck DC/DC Converter

ROHM Semiconductor BD9S402MUF-C Single Synchronous Buck DC/DC Converter includes built-in low ON resistor power MOSFETs in a VQFN16FV3030 package. The BD9S402MUF-C offers a current up to 4A and a high switching frequency of 2.2MHz. The device delivers a fast transient response performance due to current mode control.

The ROHM BD9S402MUF-C Single Synch Buck DC/DC Converter requires few external components and incorporates a built-in phase compensation circuit.

Features

QuiCur™
Nano Pulse Control™
AEC-Q100 Qualified
Functional safety supportive automotive products
Single synchronous Buck DC/DC converter
Adjustable soft start function
Output discharge function

Power good output
Under Voltage Lockout Protection (UVLO)
Short Circuit Protection (SCP)
Output Over Voltage Protection (OVP)
Over Current Protection (OCP)
Thermal Shutdown Protection (TSD)
Wettable flank QFN package

Applications

Automotive equipment
Other electronic equipment

Specifications

2.7V to 5.5V Input voltage
0.6V to V_PVIN x 0.75V Output voltage setting
4A (Max) Output current
2.2MHz (Typ) Switching frequency

60mΩ (Typ) High side FET ON resistance
35mΩ (Typ) Low side FET ON resistance
0μA (Typ) Shutdown circuit current
-40°C to +125°C Operating temperature

ROHM Semiconductor BD9S402MUF-C Single Synch Buck DC/DC Converter

Features

Applications

Specifications

Typical Application Circuit

Block Diagram

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