Rainbow Electronics MAX5974D - Manual (Page 24)

MAX5974A/MAX5974B/MAX5974C/MAX5974D
Active-Clamped, Spread-Spectrum,
Current-Mode PWM Controllers
24
Typical Application Circuits (continued)
IN
EN
DCLMP
DT
DITHER/
SYNC
SS
C IN
1µF
25V
R IN
100kI
C OUT1 C OUT2 C OUT3 C OUT4
C OUT5
0.1µF
C BULK
33µF
63V
R DCLMP1
30.1k I
1%
R DCLMP2
750 I 1%
R DT
16.9k I 1%
C SS
0.1µF
D3
D6
TO FB
5V, 5A
4 x 47µF
6.3V
L COUPLED
N C
N O
V S
36V TO 57V
C DITHER
10nF
C INT
47nF
C COMP
4.7nF
FFB
FB
COMP
CS
D5
AUXDRV
CSSC
GND
RT
R FFB
10k I 1%
R Z
2k I 1%
R CSSC
4.02k I 1%
R AUX
10k I
R CS
0.2 I
R GATE3
10 I
R GATE4
10 I
R GATE1
10 I
R GATE2
10 I
R SNUB
69.8I 1%
R FB1
54.9kI 1%
R FB2
10kI 1%
C SNUB
10pF
N3
FDS3692
N1
5i412DP
N4
IRF6217
N
N P N S
D4
N
C AUX
47nF
C CLAMP
47nF
R RT
14.7k I 1%
NDRV
PGND
N2
5i412DP
N
P
MAX5974A
MAX5974B
(COUPLED INDUCTOR
FEEDBACK)
T1
C F
330pF
R F
499 I 1%
18V
18V