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BD95371MUV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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STRUCTURE
TYPE
PRODUCT SERIES
FEATURES
Silicon Monolithic Integrated Circuit
Step down DC/DC converter Controller IC for NOTE PC
BD95371MUV
ã»Built in H3Reg DC/DC controller
ã»Switching Frequency Variable (f=200kHzï½500kHz)
â ABSOLUTE MAXIMUM RATINGSï¼Ta=25âï¼
Parameter
Input Voltage 1
Input Voltage 2
Input Voltage 3
BOOT Voltage
BOOT-SW Voltage
HG-SW Voltage
Symbol
VCC
VDD
VIN
BOOT
BOOT-SW
HG-SW
Limit
7 ï¼1ï¼2
7 ï¼1ï¼2
28 ï¼1ï¼2
35 ï¼1ï¼2
7 ï¼1ï¼2
7 ï¼1ï¼2
Unit
V
V
V
V
V
V
LG Voltage
LG
VDD
V
Output Voltage
EN Input Voltage
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
Power Dissipation 4
VOUT/Is+/Is-
EN
Pd1
Pd2
Pd3
Pd4
VCC
V
7 ï¼1
V
0.34ï¼3
W
0.70ï¼4
W
2.20ï¼5
W
3.56ï¼6
W
Operating Temperature Range
Topr
-10ï½+100
â
Storage Temperature Range
Tstg
-55ï½+150
â
Maximum Junction Temperature
Tjmax
+150
â
*1 Not to exceed Pd.
*2 Instantaneous surge voltage, back electromotive force and voltage under less than 10% duty cycle.
*3 Reduced by 2.7mW/â for each increase in Ta of 1â over 25â. (when donât mounted on a heat radiation board )
*4 Reduced by 5.6mW/â for increase in Ta of 1â over 25â. (when mounted on a board 70.0mmÃ70.0mmÃ1.6mm 1-layer Glass-epoxy PCB,
copper foil area: 10.29mm2 )
*5 Reduced by 17.6mW/â for increase in Ta of 1â over 25â. (when mounted on a board 70.0mmÃ70.0mmÃ1.6mm 4-layer Glass-epoxy PCB,
copper foil area: 10.29mm2 2,3-layer copper foil area: 5505mm2)
*6 Reduced by 28.5mW/â for increase in Ta of 1â over 25â. (when mounted on a board 70.0mmÃ70.0mmÃ1.6mm 4-layer Glass-epoxy PCB,
copper foil area: 5505mm2 )
â OPERATING CONDITIONSï¼Ta=25âï¼
Parameter
Symbol
Input Voltage 1
VCC
Input Voltage 2
VDD
Input Voltage 3
VIN
BOOT Voltage
BOOT
SW Voltage
SW
BOOT-SW Voltage
BOOT-SW
EN Input Voltage
EN
Is Input Voltage
Is+/Is-
MIN ON Time
Tonmin
â
This product is not designed for protection against radioactive rays.
MIN
MAX
Unit
4.5
5.5
V
4.5
5.5
V
4.5
25
V
4.5
30
V
-0.7
25
V
4.5
5.5
V
0
5.5
V
0.7
2.7
V
-
80
ns
REV. A
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