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ML4877 датащи(PDF) 4 Page - Micro Linear Corporation

номер детали ML4877
подробное описание детали  LCD Desktop Backlight Lamp Driver
PDF  11 Pages
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производитель  MICRO-LINEAR [Micro Linear Corporation]
домашняя страница  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4877 датащи(HTML) 4 Page - Micro Linear Corporation

  ML4877 Datasheet HTML 1Page - Micro Linear Corporation ML4877 Datasheet HTML 2Page - Micro Linear Corporation ML4877 Datasheet HTML 3Page - Micro Linear Corporation ML4877 Datasheet HTML 4Page - Micro Linear Corporation ML4877 Datasheet HTML 5Page - Micro Linear Corporation ML4877 Datasheet HTML 6Page - Micro Linear Corporation ML4877 Datasheet HTML 7Page - Micro Linear Corporation ML4877 Datasheet HTML 8Page - Micro Linear Corporation ML4877 Datasheet HTML 9Page - Micro Linear Corporation Next Button
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ML4877
4
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DELAY TIMER
Delay Time
20
35
55
ns
HIGH VOLTAGE INVERTER
Oscillator
Nominal Frequency
68
80
92
kHz
Discharge Current
VCT = 2V
500
700
900
µA
Peak Voltage
2.3
2.5
2.7
V
Valley Voltage
0.8
1
1.2
V
Output Drivers
Output High - L GATE 1, 2
VDD = 5V, ILOAD 12mA
4.625
4.8
V
Output Low - L GATE 1, 2
ILOAD = 50mA
0.2
0.375
V
Rise & Fall Time - L GATE 1, 2
CLOAD =1000pF
20
50
ns
Resonant Threshold Detector
Threshold
0.45
0.8
1.15
V
Hysteresis
0.15
03
0.45
mV
Lamp Out Detect
Threshold
-2
VDD
2
%
Latch Inhibit Threshold (SSCAP)
LRTD > VDD + 0.1V
2.5
V
Under Voltage Detector
Start Up Threshold
3.8
4.1
4.4
V
Hysteresis
150
300
450
mV
Logic Interface (ON/OFF)
VIH
2.5
V
VIL
0.5
V
Input Bias Current
ON/OFF = 3V
10
25
µA
Linear Regulator
Aux Zener Reference Voltage (AZR)
IAZR = 10µA
12.3
13.5
14.7
V
Regulator Voltage (VDD)
HVDD = 12V
4.75
5.0
5.35
V
Regulator Source Current
External to device
10
mA
Drop Out Voltage
IHVDD = 1mA
30
90
mA
Drop Out Voltage
lHVDD = 5mA
125
275
mA
HVDD Input Voltage Range
5
18
V
ELECTRICAL CHARACTERISTICS (Continued)



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