BD9121GUL Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
PRODUCT NAME
TYPE
Silicon Monolithic Integrated Circuit
1ch DC／DC Converter Controller IC with Built-in Synchronous Rectifier
BD9121GUL
FEATURES
・Output Voltage：Fixed(1.2V, 1.3V, 1.4V), Output Current：0.3A
・Fast transient response with current mode PWM control system
・High efficiency with synchronous rectifier
○ABSOLUTE MAXIMUM RATING（Ta=25℃）
Parameter
Supply Voltage
Symbol
VCC
PVCC
Limit
Unit
-0.3～+7 *¹
V
-0.3～+7 *¹
V
SEL Voltage
SEL
-0.3～+7
V
SW・ITH Voltage
SW Output Current
Power Dissipation 1
SW, ITH
ISW
Pd1
-0.3～+7
V
0.5 *¹
A
660 *²
mW
Operating Temperature Range
Topr
-25～+85
℃
Storage Temperature Range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
+150
℃
*¹ Pd, ASO, and Tjmax=150℃ should not be exceeded.
*² Derating is 5.28mW/℃ for temperatures above Ta=25℃ (when mounted on 50mm×58mm×1.6mm glass epoxy PCB).
○OPERATING CONDITIONS（Ta=-25～+85℃）
Parameter
Symbol
Min.
Typ.
Max.
Unit
Supply Voltage
VCC
2.55
3
3.6
V
PVCC
2.55
3
3.6
V
SW Average Output Current
ISW
-
-
0.3*³
A
*³ Pd and ASO should not be exceeded.
REV. A