BD95371MUV ROHM Co. Ltd., BD95371MUV Datasheet

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BD95371MUV

Manufacturer Part Number
BD95371MUV
Description
Step Down Dc/dc Converter Controller Ic For Note Pc
Manufacturer
ROHM Co. Ltd.
Datasheet
STRUCTURE
TYPE
PRODUCT SERIES
FEATURES
○ OPERATING CONDITIONS(Ta=25℃)
○ ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
Input Voltage 1
Input Voltage 2
Input Voltage 3
BOOT Voltage
BOOT-SW Voltage
HG-SW Voltage
LG Voltage
Output Voltage
EN Input Voltage
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
Power Dissipation 4
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temperature
*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/℃ for each increase in Ta of 1℃ over 25℃. (when don’t mounted on a heat radiation board )
*4 Reduced by 5.6mW/℃ for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70.0mm×1.6mm 1-layer Glass-epoxy PCB,
*5 Reduced by 17.6mW/℃ for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70.0mm×1.6mm 4-layer Glass-epoxy PCB,
*6 Reduced by 28.5mW/℃ for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70.0mm×1.6mm 4-layer Glass-epoxy PCB,
Input Voltage 1
Input Voltage 2
Input Voltage 3
BOOT Voltage
SW Voltage
BOOT-SW Voltage
EN Input Voltage
Is Input Voltage
MIN ON Time
copper foil area: 10.29mm
copper foil area: 10.29mm
copper foil area: 5505mm
★ This product is not designed for protection against radioactive rays.
Parameter
Parameter
2
2
2
)
)
2,3-layer copper foil area: 5505mm
Silicon Monolithic Integrated Circuit
Step down DC/DC converter Controller IC for NOTE PC
BD95371MUV
・Built in H
・Switching Frequency Variable (f=200kHz~500kHz)
3
Reg DC/DC controller
VOUT/Is+/Is-
BOOT-SW
HG-SW
Symbol
BOOT-SW
Tjmax
BOOT
Topr
Symbol
VCC
VDD
Pd1
Pd2
Pd3
Pd4
Tstg
Tonmin
EN
BOOT
VIN
LG
Is+/Is-
VCC
VDD
2
VIN
SW
EN
)
REV. A
-10~+100
-55~+150
28
35
7
7
7
7
0.34
0.70
2.20
3.56
+150
Limit
VDD
VCC
7
1
1
1
1
MIN
-0.7
1
1
4.5
4.5
4.5
4.5
4.5
0.7
1
0
-
2
2
2
2
3
4
5
6
2
2
Unit
MAX
W
W
W
W
V
V
V
V
V
V
V
V
V
5.5
5.5
5.5
5.5
2.7
25
30
25
80
Unit
ns
V
V
V
V
V
V
V
V
1/4

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BD95371MUV Summary of contents

Page 1

... STRUCTURE Silicon Monolithic Integrated Circuit TYPE Step down DC/DC converter Controller IC for NOTE PC PRODUCT SERIES BD95371MUV ・Built in H FEATURES ・Switching Frequency Variable (f=200kHz~500kHz) ○ ABSOLUTE MAXIMUM RATINGS(Ta=25℃) Parameter Input Voltage 1 Input Voltage 2 Input Voltage 3 BOOT Voltage BOOT-SW Voltage ...

Page 2

CHARACTERISTICS (unless otherwise noted, Ta=25℃ VCC=5V,VDD=5V,EN=3V,VIN=12V,VOUT=1.05V,R Parameter [Whole Device] VCC Bias Current VCC Standby Current VIN Bias Current VIN Standby Current EN Low Voltage EN HighVoltage (Forced Continuous mode) EN HighVoltage (SLLM Mode) EN Bias Current [Under Voltage Locked ...

Page 3

PHYSICAL DIMENSIONS 4.0±0.1 95371 Lot.No 1pin mark S 0.08 S 2.1±0.1 C0 1.0 +0.05 0.25 0.5 -0.04 VQFN020V4040 (Unit:mm) ○ BLOCK DIAGRAM VDD EN/SLLM Reference + 2 Block ...

Page 4

... IC off to prevent thermal runaway not designed to protect the IC or guarantee its operation. Do not continue to use the IC after operating this circuit or use the environment where the operation of this circuit is assumed. BD95371MUV 10. Ground Wiring Pattern When using both small signal and large current GND patterns recommended to isolate the two ground patterns, placing a single ground point at the ground potential of application so that the pattern wiring resistance and voltage variations caused by large currents do not cause variations in the small signal ground voltage ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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