BD9152MUV Datasheet, PDF (1/18 Pages) Rohm – Output 1.5A or Less High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

Single-chip Type with Built-in FET Switching Regulator Series
Output 1.5A or Less High Efficiency
Step-down Switching Regulator
with Built-in Power MOSFET
BD9152MUV
No.09027EAT14
●Description
ROHM’s high efficiency dual step-down switching regulator BD9152MUV is a power supply designed to produce a low
voltage including 3.3,0.8 volts from 5.5/4.5 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 (Pch/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
Limit
Unit
Vcc Voltage
VCC
-0.3～+7 *¹
V
EN Voltage
SW Voltage
V_EN1
V_EN2
V_SW1
V_SW2
Pd1
-0.3～+7
V
-0.3～+7
V
-0.3～+7
V
-0.3～+7
V
0.34*²
W
Power Dissipation
Pd2
0.70 *³
W
Pd3
1.21 *⁴
W
Pd4
3.56*⁵
W
Operating Temperature Range
Topr
-40～+85
℃
Storage Temperature Range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
+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 : 10.29mm²
＊4 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm² , in each layers
＊5 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 5505mm², in each layers
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2009.05 - Rev.A