Datasheet
4.5V to 18V Input, 3.0A Integrated MOSFET
Single Synchronous Buck DC/DC Converter
BD9C301FJ-LB
General Description
Key Specifications
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.
Input Voltage Range:
Reference Voltage:
4.5V to 18.0V
0.8V ± 1%
3A(Max)
500kHz(Typ)
85mΩ(Typ)
50mΩ(Typ)
1μA (Typ)
Maximum Output Current:
Switching Frequency:
Pch MOSFET On Resistance:
Nch MOSFET On Resistance:
Standby Current:
Features
Package
SOP-J8
W(Typ) x D(Typ) x H(Max)
4.90mm x 6.00mm x 1.65mm
■ 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
SOP-J8
Typical Application Circuit
VIN
VIN
12V
VOUT
3.3V
4.7µH
10µF
0.1µF
SW
Enable
EN
22µF×2
COMP AGND
PGND FB
Figure 1. Application Circuit
〇Product structure: silicon monolithic integrated circuit 〇This product has no protection against radioactive rays
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TSZ02201-0J3J0AJ00540-1-2
26.JUN.2018 Rev.004
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