ML4877ER Просмотр технического описания (PDF) - Micro Linear Corporation

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ML4877ER

LCD Desktop Backlight Lamp Driver

Micro Linear Corporation 

ML4877

ELECTRICAL CHARACTERISTICS (Continued)

SYMBOL

PARAMETER

DELAY TIMER

Delay Time

HIGH VOLTAGE INVERTER

Oscillator

Nominal Frequency

Discharge Current

Peak Voltage

Valley Voltage

Output Drivers

Output High - L GATE 1, 2

Output Low - L GATE 1, 2

Rise & Fall Time - L GATE 1, 2

Resonant Threshold Detector

Threshold

Hysteresis

Lamp Out Detect

Threshold

Latch Inhibit Threshold (SSCAP)

Under Voltage Detector

Start Up Threshold

Hysteresis

Logic Interface (ON/OFF)

VIH

VIL

Input Bias Current

Linear Regulator

Aux Zener Reference Voltage (AZR)

Regulator Voltage (VDD)

Regulator Source Current

Drop Out Voltage

Drop Out Voltage

HVDD Input Voltage Range

CONDITIONS

VCT = 2V

VDD = 5V, ILOAD 12mA

ILOAD = 50mA

CLOAD =1000pF

LRTD > VDD + 0.1V

2.5

ON/OFF = 3V

IAZR = 10µA

HVDD = 12V

External to device

IHVDD = 1mA

lHVDD = 5mA

MIN

TYP

MAX UNITS

20

35

55

ns

68

80

92

kHz

500

700

900

µA

2.3

2.5

2.7

V

0.8

1

1.2

V

4.625

4.8

V

0.2

0.375

V

20

50

ns

0.45

0.8

1.15

V

0.15

03

0.45 mV

-2

VDD

2

%

2.5

V

3.8

4.1

4.4

V

150

300

450

mV

V

0.5

V

10

25

µA

12.3

13.5

14.7

V

4.75

5.0

5.35

V

10

mA

30

90

mA

125

275

mA

5

18

V

4

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