ml4876 Microsemi Corporation, ml4876 Datasheet - Page 4

• Manufacturer Part Number: ml4876
• Description: Backlight Lamp Driver With Contrast
• Manufacturer: Microsemi Corporation

ML4876
ELECTRICAL CHARACTERISTICS
FLYBACK REGULATOR (Continued)
Current Limit Comparator
Output Drivers
HIGH VOLTAGE INVERTER
Oscillator
Resonant threshold Detector
Lamp Out Detect
Under Voltage Detector
Logic Interface (On/Off, L ON)
Linear Regulator
4
SYMBOL
Threshold
Input Bias Current
Propagation Delay
Output High - F Gate
Output Low - F Gate
Rise & Fall Time
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
Threshold
Hysteresis
Threshold
Start Up Threshold
Hysteresis
VIH
VIL
Input Bias Current
Regulator Voltage (VDD)
Regulator Source Current
Drop Out Voltage
Drop Out Voltage
HVDD Input Voltage Range
PARAMETER
(Continued)
V
VDD = 5V, I
I
V
VDD = 5V, I
I
C
V
HVDD = 12V
External to device
I
I
LOAD
C
LOAD
HVDD
HVDD
LILIM
CT
LOAD
I
LOAD
= 3V
= 2V
= 50mA
= 50mA
= 0.1V
= 1mA
= 5mA
= 1000pF
= 1000pF
CONDITIONS
LOAD
LOAD
= 12mA
= 12mA
4.625
4.625
MIN
0.75
4.75
500
250
150
2.3
0.8
3.8
2.6
70
59
16
5
TYP
100
125
700
500
300
125
4.8
0.2
2.5
4.8
0.2
1.1
5.0
4.1
50
20
70
20
18
10
10
30
1
0.375
0.375
MAX
1.45
5.35
100
130
250
900
750
450
275
2.7
1.2
4.4
0.5
50
81
50
20
25
90
18
UNITS
kHz
mV
mV
mV
mA
mV
mA
nA
µA
µA
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V