ml4877 Microsemi Corporation, ml4877 Datasheet - Page 4

• Manufacturer Part Number: ml4877
• Description: Desktop Backlight Lamp Driver
• Manufacturer: Microsemi Corporation

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