BD9C301FJ-LB Datasheet, PDF (1/22 Pages) Rohm – 4.5V to 18V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

Datasheet
4.5V to 18V Input, 3.0A Integrated MOSFET
Single Synchronous Buck DC/DC Converter
BD9C301FJ-LB
General Description
This is the product guarantees long time support in
Industrial market. BD9C301FJ-LB is a synchronous buck
switching regulator with built-in low on-resistance power
MOSFETs. With wide input voltage range, it is capable
of providing current of up to 3 A. It is a current mode
control DC/DC converter and features high-speed
transient response. Phase compensation
can also be set easily.
Features
■ Long Time Support Product for Industrial
Applications.
■ Synchronous Single DC/DC Converter
■ Over Current Protection
■ Thermal Shutdown Protection
■ Under Voltage Lockout Protection
■ Short Circuit Protection
■ Fixed Soft Start Function
Applications
■ Industrial Equipment
■ LCD TVs
■ Set-top Boxes
■ DVD/Blu-ray Disc Players/Recorders
■ Broadband Network and Communication Interface
■ Entertainment Devices
Key Specifications
„ Input Voltage Range:
„ Reference Voltage:
„ Maximum Output Current:
„ Switching Frequency:
„ Pch MOSFET On Resistance:
„ Nch MOSFET On Resistance:
„ Standby Current:
„ Operating Temperature Range:
4.5V to 18.0V
0.8V ± 1%
3A(Max)
500kHz(Typ)
80mΩ(Typ)
45mΩ(Typ)
1μA (Typ)
-40°C to +85°C
Package
SOP-J8
W(Typ) x D(Typ) x H(Max)
4.90mm x 6.00mm x 1.65mm
SOP-J8
Typical Application Circuit
Figure 1. Application Circuit
○Product structure: silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
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TSZ02201-0J3J0AJ00540-1-2
21.Feb.2014 Rev.002