BD9142MUV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
Silicon Monolithic Integrated Circuit
PRODUCT NAME
1ch DC / DC Converter with synchronous rectifier
TYPE
FEATURES
BD9142MUV
・Output Voltage：1.0～3.3V / Adjustable
・Output Current：3A
・High Efficiency and Fast Transient Response
・Dynamic Input Switching
○ABSOLUTE MAXIMUM RATING（Ta=25℃）
Parameter
Symbol
Limit
Unit
Supply Voltage
BST Voltage
BST-SW Voltage
QVCC
PVCC
AVCC
VBST
VBST-SW
-0.3～+7 *¹
V
-0.3～+14
V
-0.3～+7
V
EN, SW, ITH, DET
VEN, VSW, VITH, VDET
-0.3～+7
V
VREG, CTL, ADJ Voltage
VVREG, VCTL, VADJ
Pd1
0.34 *²
W
Power Dissipation
Pd2
0.69 *³
W
Pd3
2.20 *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 and Tj=150℃ should not be exceeded.
*² IC only.
*³ 1 layer, mounted on a board 74.2mm×74.2mm×1.6mmt Glass-epoxy PCB (Copper foil area : 10.29mm²)
*⁴ 4 layers, mounted on a board 74.2mm×74.2mm×1.6mmt Glass-epoxy PCB
(Copper foil area : 10.29mm²) , copper foil in each layers.
*⁵ 4 layers, mounted on a board 74.2mm×74.2mm×1.6mmt Glass-epoxy PCB
(Copper foil area : 5505mm²) , copper foil in each layers.
○OPERATING CONDITIONS（Ta=-40～+85℃）
Parameter
Symbol
Min.
Typ.
Max.
Unit
Supply Voltage
QVCC
PVCC
4.5
5.0
6.5
V
AVCC
EN Voltage
VEN
0
-
QVCC
V
Output Voltage range
VOUT
1.0
-
3.3
V
SW Average Output Current1
(PVCC INPUT)
ISW1
-
-
3.0*⁶
A
SW Average Output Current2
(QVCC INPUT)
*⁶ Pd should not be exceeded.
ISW2
-
-
0.1
A
REV. A