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EL7585 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TFT-LCD Power Supply - Intersil Corporation

भाग संख्या EL7585
समारोह TFT-LCD Power Supply
मैन्युफैक्चरर्स Intersil Corporation 
लोगो Intersil Corporation लोगो 
पूर्व दर्शन
1 Page
		
<?=EL7585?> डेटा पत्रक पीडीएफ

EL7585 pdf
EL7585
Absolute Maximum Ratings (TA = 25°C)
VDELB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20V
VDRVP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36V
VDRVN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20V
VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
VLX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24V
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θJA (°C/W) θJC (°C/W)
QFN Package. . . . . . . . . . . . . . . . . . . .
39
2.5
VDRVL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Maximum continuous junction temperature . . . . . . . . . . . . . . 125°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications VDD = 5V, VBOOST = 11V, ILOAD = 200mA, VON = 15V, VOFF = -5V, VLOGIC = 2.5V, over temperature from
-40°C to 85°C, unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITION
MIN TYP MAX UNIT
SUPPLY
VS Supply Voltage
IS Quiescent Current
Enabled, LX not switching
Disabled
3 5.5 V
1.7 2.5 mA
5 20 µA
CLOCK
FOSC
BOOST
Oscillator Frequency
900 1000 1100 kHz
VBOOST
VFBB
Boost Output Range
Boost Feedback Voltage
TA = 25°C
5.5
1.192
1.188
1.205
1.205
20
1.218
1.222
V
V
V
VF_FBB
VREF
FBB Fault Trip Point
Reference Voltage
TA = 25°C
1.19
1.187
0.9
1.215
1.215
1.235
1.238
V
V
V
CREF
DMAX
ILXMAX
ILEAK
rDS(ON)
Eff
VREF Capacitor
Maximum Duty Cycle
Switch Current Limit
Switch Leakage Current
Switch On-Resistance
Boost Efficiency
VLX = 16V
See curves
22 100
nF
85 %
3.5 A
10 µA
160 m
92 %
I(VFBB)
VBOOST/
VIN
VBOOST/
IBOOST
VBOOST/
IBOOST
VCINT_T
Feedback Input Bias Current
Line Regulation
Load Regulation - “P” mode
Load Regulation - “PI” mode
CINT Pl Mode Select Threshold
Pl mode, VFBB = 1.35V
CINT = 4.7nF, IOUT = 100mA, VIN = 3V to 5.5V
CINT pin strapped to VDD,
50mA < ILOAD < 250mA
CINT = 4.7nF, 50mA < IO < 250mA
50 500 nA
0.05
%/V
3%
0.1 %
4.7 4.8
V
2 FN7345.2
March 9, 2006

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