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BD8163EFV PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD8163EFV
기능 5V Input Multi-channel System Power Supply ICs
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BD8163EFV 데이터시트, 핀배열, 회로
Power Supply ICs for TFT-LCD Panels
5V Input Multi-channel
System Power Supply ICs
BD8163EFV
No.10035EAT13
Description
The BD8163EFV is a system power supply IC for TFT panels. A 1-chip IC providing a total of four voltages required for TFT
panels, i.e., logic voltage, sauce voltage, gate high-level, and gate low-level voltage, thus constructing a TFT panel power
supply with minimal components required.
Features
1) Operates in an operating voltage range as low as 2.1 V to 6. 0 V.
2) Incorporates a step-up DC/DC converter.
3) Incorporates a 2.5 V regulator.
4) Incorporates positive and negative-side charge pumps.
5) Switching frequency of 1100 kHz
6) DC/DC converter feedback voltage of 1.24 V ± 1%
7) Incorporates a gate shading function
8) Under-voltage lockout protection circuit
9) Thermal shutdown circuit
10) Overcurrent protection circuit
11) HTSSOP-B24 package
Applications
Liquid crystal TV, PC monitor, and TFT-LCD panel
Absolute maximum ratings (Ta = 25)
Parameter
Symbol
Ratings
Unit
Power supply voltage
VCC
7
Vo1 voltage
Vo1 19
Vo2 voltage
Vo2 32
SW voltage
Vsw 19
Maximum junction temperature
Tjmax
150
Power dissipation
Pd 1100*
Operating temperature range
Topr -40 to 125
Storage temperature range
Tstg -55 to 150
* Reduced by 4.7 mW/over 25, when mounted on a glass epoxy board. (70 mm 70 mm 1.6 mm).
V
V
V
V
mW
Recommended Operating Ranges
Parameter
Power supply voltage
Vo1 voltage
Vo2 voltage
SW Current
Vo2 Current
Symbol
VCC
Vo1
Vsw
Isw
Vo2
Ratings
Min. Max.
2.1 6
8 18
— 18
— 1.8
— 30
Unit
V
V
V
A
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/21
2010.12 - Rev.A




BD8163EFV pdf, 반도체, 판매, 대치품
BD8163EFV
Technical Note
4. Overall
Parameter
[Reference block]
Reference voltage
Symbol
Min.
Limits
Typ.
VREF
1.215
1.240
Drive current
IREF
23
Load regulation
[Oscillator]
Oscillating frequency
[Oscillator]
DET 1 On threshold voltage
V
Fosc
VDON1
0.94
1.7
1
1.1
1.8
DET 1 Off threshold voltage VDOFF1
1.6
1.7
DET 2 On threshold voltage
VDON2
1.02
1.12
DET 2 Off threshold voltage VDOFF2
0.90
1.00
DET 3 On threshold voltage
VDON3
0.25
0.30
DET 3 Off threshold voltage VDOFF3
0.35
0.41
DET 4 On threshold voltage
VDON4
1.02
1.12
DET 4 Off threshold voltage VDOFF4
0.90
1.00
[Device]
Average circuit current
Icc 0.5
2
This product is not designed for protection against radioactive rays.
Max.
Unit
Conditions
1.265
10
V
mA VREF = 0 V
mV IREF = -1 mA
1.265 MHz
1.9 V
1.8 V
1.22 V
1.10 V
0.35 V
0.47 V
1.22 V
1.10 V
5 mA No switching
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
4/21
2010.12 - Rev.A

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BD8163EFV 전자부품, 판매, 대치품
BD8163EFV
Block Diagram
Technical Note
VCC
5V
10µF
VCC
10µF
SW
SS
0.1µF
0.1µF
REF
COMP
5.1kΩ
1000pF
0.1µF
DLS
Step-up
Controller
PGND
DET2
VREF
Vo1
Charge
Pump
Control 1
Vo1
TSD
UVLO
Step-up
Controller
DET4
Gate
IG
DET2 DET4
Shading
Controller
1.1V
Vo1 10µF
160kΩ
FB1 15kΩ
Vo1=14.5V (18V MAX)
1.1V
Vo2 Vo2 23.5V (30V MAX)
C2H
1µF
0.1µF
270kΩ
C2L
C1H
16kΩ
0.1µF
C1L
FB2
Vo2GS
R
GSOUT
Vo2GS
0.01µF
VCC
Charge
Pump
Control 2
Vo1
C3
0.1µF
1µF
Vo3=-5V
91kΩ
18kΩ
REF
Regulator
Control
DET3
FB3
1.8V
DET1
0.3V
Vcc BASE
1µF
VDD
4.7µF VDD=2.5V
PGND
GND
GND
Fig. 25 Block Diagram
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
7/21
2010.12 - Rev.A

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BD8163EFV

5V Input Multi-channel System Power Supply ICs

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