ꢀꢁ ꢂ ꢃ ꢂꢄ ꢅ ꢀ ꢁ ꢆꢃꢂ ꢄ
ꢇꢈꢁ ꢉꢊ ꢋꢌ ꢍꢎꢁ ꢏꢉ ꢊꢀ ꢈꢐꢑ ꢍꢒꢌ ꢓ ꢔ ꢕꢒꢉ ꢊꢋꢌꢕ ꢇꢀ
SLVS077D – APRIL 1977 – REVISED FEBRUARY 2003
†
APPLICATION INFORMATION
V
CC
= 28 V
TIP115
0.9 mH
5 kΩ
15
5 V
1 A
V
CC
5 kΩ
1
2
11
12
IN–
EMIT 1
COL 1
5 kΩ
3 kΩ
SG2524
IN+
+
500 µF
0.1 µF
5 kΩ
16
6
13
REF OUT
COL 2
1N3880
3 kΩ
14
4
R
C
T
T
EMIT 2
CURR LIM+
CURR LIM–
7
10
3
0.02 µF
5
9
SHUT
DOWN
OSC OUT
COMP
GND
0.001 µF
50 kΩ
8
0.1 Ω
Input Return
Figure 14. Single-Ended LC Circuit
V
CC
= 28 V
1 kΩ
1 kΩ
1W
1W
15
5 kΩ
TIP31A
TIR101A
V
5 kΩ
CC
1
2
11
12
+
1 mH
1500 µF
EMIT 1
IN–
5 kΩ
+
SG2524
COL 1
IN+
20T
20T
5 V
5 A
–
100 Ω
5T
5T
0.1 µF
5 kΩ
13
16
6
COL 2
EMIT 2
100 Ω
REF OUT
2 kΩ
14
4
R
T
7
10
3
C
T
CURR LIM+
TIP31A
0.01 µF
5
9
SHUT
DOWN
OSC OUT
CURR LIM–
COMP
0.1 Ω
0.001 µF
20 kΩ
GND
+
8
100 µF
Figure 15. Push-Pull Transformer-Coupled Circuit
†
Throughout these discussions, references to the SG2524 apply also to the SG3524.
13
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
