BD9E303EFJ-LB Datasheet, PDF (1/31 Pages) Rohm – Over-Current Protection

Datasheet
7.0V to 36V Input, 3.0A Integrated MOSFET
Single Synchronous Buck DC/DC Converter
BD9E303EFJ-LB
General Description
This is the product guarantees long time support in
Industrial market.BD9E303EFJ-LB is a synchronous buck
switching regulator with built-in power MOSFETs. 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.
 Short Circuit Protection.
 Thermal Shutdown Protection.
 Under voltage Lockout Protection.
 Soft Start.
 HTSOP-J8 package (Exposed Pad).
Key Specifications
 Input Voltage Range:
7.0V to 36V
 Output Voltage Range:
1.0V to VIN×0.8V
 Output Current:
3.0A (Max)
 Switching Frequency:
300kHz (Typ)
 High-Side MOSFET ON-Resistance: 90mΩ (Typ)
 Low-Side MOSFET ON-Resistance: 80mΩ (Typ)
 Standby Current:
0μA (Typ)
Package
HTSOP-J8
W (Typ) x D (Typ) x H (Max)
4.90mm x 6.00mm x 1.00mm
Applications
 Industrial Equipment.
 Power supply for FA’s industrial device using 24V
bass.
 Consumer applications such as home appliance.
Distribution type power supply system for 12V, and
24V.
HTSOP-J8
Typical Application Circuit
VIN
24V
10μF
2 VIN
0.1μF
BD9E303EFJ-LB ^{BOOT 1}
SW 8
Enable
3 EN
COMP
6
AGND
4
PGND
7
6800pF
15kΩ
FB
5
30kΩ
7.5kΩ
0.1μF
10μH
VOUT
22μF×2
Figure 1. Application circuit
○Product structure：Silicon monolithic integrated circuit.
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed for protection against radioactive rays.
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TSZ02201-0J3J0AJ00650-1-2
13.Feb.2015 Rev.002