MAX5974A MAXIM [Maxim Integrated Products], MAX5974A Datasheet - Page 23

• Manufacturer Part Number: MAX5974A
• Description: Active-Clamped, Spread-Spectrum, Current-Mode PWM Controllers
• Manufacturer: MAXIM [Maxim Integrated Products]

R
OPTO2
1k I
1%
36V TO 57V
121k I 1%
750 I 1%
R
C
DCLMP2
BULK
33µF
R
V
G1
S
R
10.0k I 1%
14.7k I 1%
DCLMP1
30.1k I
16.9k I 1%
C
R
0.1µF
DITHER
10nF
R
C
1%
R
FFB
RT
SS
DT
200k I 1%
R
G2
R
100kI
IN
IN
EN
DCLMP
SS
DT
DITHER/
SYNC
RT
FFB
FB
COMP
1µF
25V
C
IN
(OPTOCOUPLER
GND
MAX5974C
MAX5974D
FEEDBACK)
Active-Clamped, Spread-Spectrum,
PGND
3.3mH
L1
AUXDRV
NDRV
CSSC
CS
Current-Mode PWM Controllers
D2
N
P
D1
R
10 I
N
GATE3
4.02k I 1%
499 I 1%
C
330pF
T1
T
F
R
CSSC
C
47nF
R
AUX
F
N
S
R
10 I
GATE1
D4
D3
D5
N
N3
FDS3692
R
0.2 I
CS
5i412DP
R
N1
N
10 I
GATE4
R
10k I
AUX
R
10 I
GATE2
Typical Application Circuits
P
N
C
47nF
CLAMP
6.8µH
L2
N4
IRF6217
N2
5i412DP
FOD817CSD
C
OUT1
4.99k I
R
OPTO3
1%
C
U1
OUT2
IN
C
OUT3
R
OPTO1
825 I
1%
C
OUT4
U2
TLV4314AIDBVT-1.24V
C
0.1µF
OUT5
C
2.2nF
COMP1
R
4.02k I
1%
BIAS
R
2.00k I
COMP2
1%
R
499 I
1%
0.1µF
C
6.8pF
C
COMP2
COMP2
R
7.5kI
1%
R
2.49kI
1%
INT
FB1
FB2
5V, 5A
23