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ADD8733 Datasheet(PDF) 4 Page - Analog Devices

Part # ADD8733
Description  Integrated TFT Panel Power Supply with Gate Modulation and VCOM
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADD8733 Datasheet(HTML) 4 Page - Analog Devices

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ADD8733
Preliminary Technical Data
Rev. PrA | Page 4 of 16
STEP-DOWN REGULATOR SPECIFICATIONS
VVIN = VSD_VIN = 12 V, L2=10 μH, TA = 25°C, fOSC = 650 kHz, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SUPPLY
Input Voltage
VSD_VIN
8.0
16.5
V
Minimum Duty Cycle
15
%
OUTPUT
Output Voltage
VSTEP_DN
2.5
5
V
Load Regulation
500 mA ≤ ILOAD ≤ 1000 mA, VSTEP_DN = 3.3 V
1
%
Line Regulation
ILOAD = 750 mA, 8 V ≤ VSD_VIN ≤ 16.5 V, VSTEP_DN = 3.3 V
1
%
Overall Regulation
Line, load, temperature
±3
%
ERROR AMPLIFER
FB Regulation Voltage
VSD_FB
2.5
V
FB Input Bias Current
ISD_FB
TBD
nA
Error Amplifier Open-Loop Voltage Gain
AVSD
TBD
V/V
COMP Output Current
ISD_COMP
TBD
μA
SWITCH
On Resistance
RDS (ON)SD
SD_BS = 5 V, ISD_LOAD = 750 mA
100
mΩ
Peak Current Limit
ISDCLSET
3
A
OSCILLATOR
Oscillator Frequency
fOSC
FREQ = GND
650
kHz
FREQ = VSR_OUT1
1200
kHz
1 VSR_OUT pin provides a logic-high output of 5 V.



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