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BD9130EFJ Datasheet(PDF) 1 Page - Rohm

No. de Pieza. BD9130EFJ
Descripción  Output 2A or More High-efficiency Step-down Switching Regulator with Built-in Power MOSFET
Descarga  15 Pages
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Fabricante  ROHM [Rohm]
Página de inicio  http://www.rohm.com
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BD9130EFJ Datasheet(HTML) 1 Page - Rohm

 
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www.rohm.com
2009.05 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Single-chip Type with Built-in FET Switching Regulator Series
Output 2A or More High-efficiency
Step-down Switching Regulator
with Built-in Power MOSFET
BD9130EFJ
Description
ROHM’s high efficiency step-down switching regulator BD9130EFJ is a power supply designed to produce a low voltage
including 1 volts from 5.5/3.3 volts power supply line. Offers high efficiency with our original pulse skip control technology
and synchronous rectifier. Employs a current mode control system to provide faster transient response to sudden change
in load.
Features
1) Offers fast transient response with current mode PWM control system.
2) Offers highly efficiency for all load range with synchronous rectifier (Nch/Pch FET)
and SLLM
TM(Simple Light Load Mode)
3) Incorporates soft-start function.
4) Incorporates thermal protection and ULVO functions.
5) Incorporates short-current protection circuit with time delay function.
6) Incorporates shutdown function
7) Employs small surface mount package : HTSOP-J8
Use
Power supply for LSI including DSP, Micro computer and ASIC
Absolute maximum ratings
Parameter
Symbol
Rating
Unit
Power Supply Voltage
VCC
-0.3~+7 *
1
V
PVCC
-0.3~+7 *
1
V
EN Voltage
VEN
-0.3~+7
V
SW・ITH Voltage
VSW, VITH
-0.3~+7
V
SW Output Current
ISW
2.6 *
1
A
Power Dissipation 1
Pd1
0.5 *
2
W
Power Dissipation 2
Pd2
3.76 *
3
W
Operating Temperature Range
Topr
-25~+105
Storage Temperature Range
Tstg
-55~+150
Maximum Junction Temperature
Tjmax
+150
*
1
Pd, ASO, and Tjmax=150℃ should not be exceeded.
*
2
Reduced by 4.0mW for increase in Ta of 1℃ above 25℃.
*
3
Reduced by 30.0mW for increase in Ta of 1℃ above 25℃. (when mounted on a board 70.0mm × 70.0mm × 1.6mm Glass-epoxy PCB)
Operating Conditions (Ta=-25~+105℃)
Parameter
Symbol
Limits
Unit
Min.
Typ.
Max.
Power Supply Voltage
VCC
2.7
3.3
5.5
V
PVCC
2.7
3.3
5.5
V
EN Voltage
VEN
0
-
VCC
V
Output Voltage range
VOUT
1.0
-
2.5*
4
V
SW Average Output Current
ISW
-
-
2.0*
5
A
4
In case set output voltage 1.6V or more, VccMin. = Vout + 1.3V.
5
Pd and ASO should not be exceeded.
No.09027EAT30


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