BD8150KVT View Datasheet(PDF) - ROHM Semiconductor
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BD8150KVT Datasheet PDF : 19 Pages
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Power Supply IC Series for TFT-LCD Panels
4-channel System Power Supply
+ Gamma Buffer Amp IC
BD8150KVT
No.09035EBT03
●Description
The BD8150KVT is a system power supply IC that offers a 4-channel power supply with 10 gamma correction output channels
and VCOM. The DC/DC block can be switched between step-up and step-down and supports both 5V and 12V input.
●Features
1) Multi-channel power supply with two DC/DC converter controller channels and two charge pump channels
2) 10channel gamma correction Buffer Amp output and 1channel VCOM
3) High reference voltage accuracy: ±1 %
4) Oscillating frequency: 1MHz
5) Built-in UVLO (Under Voltage Lockout) and output short-circuit protection circuits
6) Standby current of 0μA (Typ.)
7) Controllable start up sequence
8) TQFP64V package
●Applications
Power supply for LCD monitors and LCD TVs
●Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Rating
Unit
Power supply voltage
VCC
15
V
Regulator power supply voltage
REGVCC
15
V
Driver power supply voltage
PVCC
15
V
Junction temperature
Power dissipation
Tjmax
Pd
125
°C
1000*1
mW
Operating temperature range
Topr
−30 to 85
°C
Storage temperature range
Tstg
−55 to 150
°C
*1 Derated at 10mW/°C at Ta>25°C when mounted on a 70.0 mm 70.0 mm 1.6 mm glass epoxy board
●Operating Conditions (Ta=-30°C ~+85°C)
Parameter
Symbol
Limits
Min.
Max.
Unit
Power supply voltage
VCC
2.7
13
V
Regulator power supply voltage
REGVCC
4.5
14
V
Driver power supply voltage
PVCC
2.7
13
V
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1/18
2009.07 - Rev.B
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