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FP6783 データシート(PDF) 6 Page - Fitipower Integrated Technology Inc.

部品番号 FP6783
部品情報  Integrated Multi-Channel DC-DC Converters for TFT LCD Panels
PDF  11 Pages
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メーカー  FITIPOWER [Fitipower Integrated Technology Inc.]
ホームページ  http://www.fitipower.com/en_US/index.asp
Logo FITIPOWER - Fitipower Integrated Technology Inc.

FP6783 データシート(HTML) 6 Page - Fitipower Integrated Technology Inc.

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FP6783-Preliminary 0.3-NOV-2012
FP6783
fitipower integrated technology lnc.
Electrical Characteristics
(VIN=2.5V to 5.5V, TA=-40 to 85°C, unless otherwise specified. Typical values are tested at 25°C ambient temperature,
VIN=3.3V, VSUP=12V)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input Voltage Range
VIN
2.5
-
5.5
V
SUP Input Voltage Range
VSUP
6
-
18
V
VIN Under Voltage Lockout
VUVLO
Falling
2.05
2.15
2.25
V
Rising
2.15
2.25
2.35
V
VIN Operating Current
IVIN
VFB=1.5V, Not Switching
-
0.56
0.8
mA
VFB=1.1V, Switching
-
5.6
10.0
mA
Thermal Shutdown
TSHDN
-
150
-
°C
Reference Voltage
Reference Voltage
VREF
IVREF =100μA
1.238
1.250
1.262
V
Line Regulation
VIN=2.5V to 5.5V,
IVREF =100μA
-
2
5
%/V
Load Regulation
IVREF =0~100μA
-
1
5
%/mA
Oscillator
Oscillation Frequency
FOSC
1.0
1.2
1.4
MHz
Maximum Duty Cycle
DMAX
86
90
94
%
Error Amplifier (Channel 1)
Feedback Voltage
VFB
1.238
1.250
1.262
V
Input Bias Current
IFB
VFB=1V to 1.5V
-40
0
40
nA
Feedback-Voltage Line Regulation
VRI
Level to produce
VCOMP=1.25V
2.5V<VIN<5.5V
-
0.05
0.15
%/V
Transconductance
GM
△ I=5μA
-
105
-
μA/V
Voltage Gain
AV
-
1500
-
V/V
N-MOS Switch (Channel 1)
Current Limit
ILIM
4.0
4.5
-
A
On-Resistance
RON
ISW=1.0A
-
0.15
0.20
Ω
Leakage Current
ISWOFF
VSW=12V
-
1
20
μA
Charge Pump (Channel 2 and Channel 3)
SUP Input Supply Range
VH
6
-
18
V
SUP Over Voltage Protect
VOVP
-
18
20
V
Charge Pump Frequency
FOSCP
500
600
700
KHz
FBN Threshold Voltage
VFBN
235
250
265
mV
FBN Input Bias Current
IFBN
VFBN=-0.25V to 0.25V
-40
0
40
nA



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