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BD9132MUV Datasheet(PDF) 1 Page - Rohm

Part # BD9132MUV
Description  Output 2A or More High Efficiency Step-down Switching Regulator with Built-in Power MOSFET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9132MUV Datasheet(HTML) 1 Page - Rohm

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TECHNICAL NOTE
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
BD9132MUV
Description
ROHM’s high efficiency step-down switching regulator BD9132MUV is a power supply designed to produce a low voltage
including 0.8 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/Nch FET) and SLLM (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 Icc=0μA(Typ.)
7) Employs small surface mount package : VQFN020V4040
Use
Power supply for LSI including DSP, Micro computer and ASIC
Absolute Maximum Rating (Ta=25℃)
Parameter
Symbol
Limits
Unit
BD9132MUV
VCC Voltage
VCC
-0.3~+7 *
1
V
PVCC Voltage
PVCC
-0.3~+7 *
1
V
BST Voltage
VBST
-0.3~+13
V
BST_SW Voltage
VBST-SW
-0.3~+7
V
EN Voltage
VEN
-0.3~+7
V
SW,ITH Voltage
VSW, VITH
-0.3~+7
V
Power Dissipation 1
Pd1
0.34 *
2
W
Power Dissipation 2
Pd2
0.70 *
3
W
Power Dissipation 3
Pd3
1.21 *
4
W
Power Dissipation 4
Pd4
3.56 *
5
W
Operating temperature range
Topr
-40~+105
Storage temperature range
Tstg
-55~+150
Maximum junction temperature
Tj
+150
1
Pd should not be exceeded.
2
IC only
3
1-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm
2
4
4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm
2 , in each layers
5
4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 5505mm
2, in each layers
Operating Conditions (Ta=-40~+105℃)
Parameter
Symbol
BD9132MUV
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
-
5.5
V
Output voltage Setting Range
VOUT
0.8
-
3.3*
6
V
SW average output current
ISW
-
-
3.0*
7
A
6
In case set output voltage 1.6V or more, VccMin = Vout+1.2V.
7
Pd should not be exceeded.
Jul. 2008


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