BD9B400MUV-E2 DC-DC Power Chip ROHM Original Stock
General Description
BD9B400MUV is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. This IC, which is capable of providing current up to 4A, features fast transient response by employing constant on-time control system. It offers high oscillating frequency at low inductance. With its original constant on-time control method which operates low consumption at light load, this product is ideal for equipment and devices that demand minimal standby power consumption.
Features
n Synchronous Single DC/DC Converter
n Constant on-time control suitable to Deep-SLLM
n Over Current Protection
n Short Circuit Protection
n Thermal Shutdown Protection
n Under Voltage Lockout Protection
n Adjustable Soft Start
n Power Good Output
n VQFN016V3030 Package
(backside heat dissipation)
Applications
n Step-down Power Supply for DSPs, FPGAs,
Microprocessors, etc.
n Laptop PCs/Tablet PCs/Servers
n LCD TVs
n Storage Devices (HDDs/SSDs)
n Printers, OA Equipment
n Entertainment Devices
n Distributed Power Supply, Secondary Power Supply
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