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BD8160AEFV fiches techniques PDF

ROHM Semiconductor - 12V Input Multi-channel System Power Supply IC

Numéro de référence BD8160AEFV
Description 12V Input Multi-channel System Power Supply IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD8160AEFV fiche technique
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Power Supply IC Series for TFT-LCD Panels
12V Input Multi-channel
System Power Supply IC
BD8160AEFV
No.09035EBT01
Description
The BD8160AEFV is a system power supply for the TFT-LCD panels used for liquid crystal TVs.
Incorporates two high-power FETs with low on resistance for large currents that employ high-power packages, thus driving
large current loads while suppressing the generation of heat. A charge pump controller is incorporated as well, thus greatly
reducing the number of application components.
Features
1) Step-up and step-down DC/DC converter
2) Incorporates 2.6 A N-channel FET.
3) Incorporates positive/negative charge pumps.
4) Input voltage limit: 8 V to 18 V
5) Feedback voltage: 1.162 V ± 1%
6) Switching frequency: 500 kHz / 750kHz
7) Protection circuit: Under voltage lockout protection circuit
Thermal shutdown circuit
Overcurrent protection circuit
Short Circuit Protection
Overvoltage protection circuit for VS voltage (Boost DC/DC output)
8) HTSSOP-B28 Package
Applications
Power supply for the TFT-LCD panels used for LCD TVs
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Rating
Supply Voltage
SUP,VIN
20
Power Dissipation
Pd 4700*
Operating Temperature Range
Topr
-40+85
Storage Temperature Range
Tstg
-55+150
Junction Temperature
Tjmax
150
SW Voltage
VSW
21
SWB Voltage
VSWB
19
EN1,EN2 Voltage
VEN1,VEN2
19
* Derating in done 37.6mW/for operating above Ta25(On 4-layer 70.0mm×70.0mm×1.6mm board)
Recommendable Operation Range (Ta=25)
Parameter
Symbol
Supply Voltage
VS Voltage
Switch current for SW
Switch current for SWB
EN1,EN2,FREQ Voltage
** Pd, ASO should not be exceeded
SUP,VIN
VS
ISW
ISWB
VEN1,VEN2,VFREQ
Min
8
VIN+2
Limits
Typ
12
15
Max
18
18
2.6**
2.0**
18
Unit
V
mW
V
V
V
Unit
V
V
A
A
V
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/18
2009.07 - Rev.B

PagesPages 19
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