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ML4876 датащи(PDF) 4 Page - Micro Linear Corporation

номер детали ML4876
подробное описание детали  LCD Backlight Lamp Driver with Contrast
PDF  9 Pages
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производитель  MICRO-LINEAR [Micro Linear Corporation]
домашняя страница  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4876 датащи(HTML) 4 Page - Micro Linear Corporation

  ML4876 Datasheet HTML 1Page - Micro Linear Corporation ML4876 Datasheet HTML 2Page - Micro Linear Corporation ML4876 Datasheet HTML 3Page - Micro Linear Corporation ML4876 Datasheet HTML 4Page - Micro Linear Corporation ML4876 Datasheet HTML 5Page - Micro Linear Corporation ML4876 Datasheet HTML 6Page - Micro Linear Corporation ML4876 Datasheet HTML 7Page - Micro Linear Corporation ML4876 Datasheet HTML 8Page - Micro Linear Corporation ML4876 Datasheet HTML 9Page - Micro Linear Corporation  
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ML4876
4
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FLYBACK REGULATOR (Continued)
Current Limit Comparator
Threshold
70
100
130
mV
Input Bias Current
VLILIM = 0.1V
50
100
nA
Propagation Delay
125
250
ns
Output Drivers
Output High - F Gate
VDD = 5V, ILOAD = 12mA
4.625
4.8
V
Output Low - F Gate
ILOAD = 50mA
0.2
0.375
V
Rise & Fall Time
CLOAD = 1000pF
20
50
ns
HIGH VOLTAGE INVERTER
Oscillator
Nominal Frequency
59
70
81
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
0.75
1.1
1.45
V
Hysteresis
250
500
750
mV
Lamp Out Detect
Threshold
16
18
20
V
Under Voltage Detector
Start Up Threshold
3.8
4.1
4.4
V
Hysteresis
150
300
450
mV
Logic Interface (On/Off, L ON)
VIH
2.6
V
VIL
0.5
V
Input Bias Current
VI = 3V
10
25
µA
Linear Regulator
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
mV
Drop Out Voltage
IHVDD = 5mA
125
275
mA
HVDD Input Voltage Range
5
18
V



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