tk75020 Toko Inc., tk75020 Datasheet - Page 10

• Manufacturer Part Number: tk75020
• Description: Zvs Resonant Controller
• Manufacturer: Toko Inc.

TK75020
Gen. Note: Q
Gen. Note: Part #CTX01-13154 (Call Toko Technical Support [phone]).
Page 10
J 1
2
1
3
2
6 TO 16 V
is not required if Q
V IN
68 k
R 1
10 µF
C 2
R 2
1 k
Q 2
(Note 1)
1
100 n
is an avalanche rated FET
C 1
APPLICATION INFORMATION (CONT.)
18 k
LAPTOP DISPLAY BACKLIGHTING EXAMPLE
R 5
680 p
22 k
R 3
C 3
T OFF
ODP
T ON /SS
EN
INV
EA OUT
C T
F 1
1A
V CC
GND
ZVD
DRV
V ref
OVP
C L
2SK1475
47 k
R 6
100 n
Q 1
1N4148
C 5
D 1
16 V
22 µ
C 4
8RHB
270 µ
L 1
8RHB
10 n
C 10
82 µ
L 2
n 1 = 19
47 n
C 6
100 k
470 k
R 10
R 9
T 1 (Note 2)
R 11
68 k
n 2 = 1520
3.3 k
10 k
R 13
R 12
R 14
January 1999 TOKO, Inc.
1 k
1N4148
100 n
C 9
J 2
D 2
1
2
1
2
220-250 mm
CCFL