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BD9G341EFJ-E2

Description
Switching Voltage Regulators 12V~76V input voltage range 3A output current ; 1ch Buck Converter Integrated FET
CategoryPower/power management    The power supply circuit   
File Size1MB,28 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
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BD9G341EFJ-E2 Overview

Switching Voltage Regulators 12V~76V input voltage range 3A output current ; 1ch Buck Converter Integrated FET

BD9G341EFJ-E2 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerROHM Semiconductor
package instructionVSOP,
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage76 V
Minimum input voltage12 V
Nominal input voltage48 V
JESD-30 codeR-PDSO-G8
length4.9 mm
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current3 A
Package body materialPLASTIC/EPOXY
encapsulated codeVSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum seat height1 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency750 kHz
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
Datasheet
12V½76V input voltage range 3A output current
BD9G341EFJ
General Description
The BD9G341EFJ is a buck switching regulator with
integrated 150m
Ω
power MOSFET. Current mode
architecture provides fast transient response and a
simple phase compensation setup. The operating
frequency is programmable from 50kHz to 750kHz.
Additional protection features are included such as
Over Current Protection, Thermal shutdown and Under
voltage lockout. The
under voltage lockout and
hysteresis can be set by external resistor .
Key specifications
Input voltage
Ref voltage(Ta=25℃)
(Ta=-40~85℃)
Max output current
Operating Temperature
Max junction temperature
1ch Buck Converter Integrated FET
12½76[V]
±1.5[%]
±2.0[%]
3 [A] (Max.)
-40℃~85℃
150℃
Features
Wide input voltage range from 12V to 76V.
Integrated 80V/3.5A/150mΩ NchFET.
Current mode.
Variable frequency from 50kHz to 750kHz.
Accurate reference voltage.( 1.0 V±1.5 %).
Precision EN threshold (
±3%).
Soft-start function
0uA Standby current
Over Current Protection (OCP), Under Voltage
Lockout(UVLO), Thermal-Shutdown(TSD),Over
Voltage Protection (OVP)
Thermally enhanced HTSOP-J8 package
Package(s)
HTSOP-J8
4.90mm x 6.00mm x 1.00mm
Applications
Industrial distributed power applications.
Automotive Application
Battery powered equipment.
Typical Application Circuit
Vin=12½76V
VCC
C1:
10uF/100V
R1 Ω
EN
BST
0.1uF
L : 33uH
LX
D1
FB
3.0kΩ
C2:
100uF/6.3V
VOUT=5.0V /3A
R2 Ω
GND
RT
VC
6800pF
0.75kΩ
47kΩ
10kΩ
Pin Configuration
Figure 1. Typical Application Schematic
〇Product
structure : Silicon monolithic integrated circuit
.
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
〇This
product has no designed protection against radioactive rays
1/24
TSZ02201-0Q3Q0NZ00300-1-2
2014.07.15 Rev.001
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