ml4877 Microsemi Corporation, ml4877 Datasheet - Page 6

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

ML4877
6
5 TO 18V
IN
1.0µF
C3
ON/OFF
HVDD
VREF
Q1
C7
12
15
5
PGND
C8
17
AZR
Q S
Q R
R1
MASTER
& UVLO
REGULATOR
18
2
BIAS
LINEAR
GND
VDD
Figure 1. Typical Application Schematic for the ML4877
*OPTIONAL
SEE NOTE
SS
13
C1
VDD
SHOT
ONE
C9
CLK
+
–
T2
B ON
VDD
DR3
19
D1
82k
S Q
S Q
U2-A
B ON
R2
R T
THRESHOLD
OSCILLATOR
RESONANT
DETECTOR
4
DR1
20
Q2
9
C5
47pF
C T
DELAY
EDGE
DR1
NEG
11
B SYNC
+
–
T
U2-B
Q
Q
SS
0.1µF
C2
OR
DR2
DR2
3
SS CAP
–
+
+
–
0.5V
10
OPTIONAL
14
16
6
8
7
1
L RTD
GATE1
GATE2
L ILIM
LEA OUT
LEA– 0.047µF
100k
R5
C4
10k
R7
100µh
0.1µF
C6
1.6M
R6
100k
L1
R4
T1
R6
O.5
39pF
C11
Q4