MAX5974DETE+ Maxim Integrated Products, MAX5974DETE+ Datasheet - Page 23

• Manufacturer Part Number: MAX5974DETE+
• Description: Current Mode PWM Controllers ACTIVE-CLAMPED CUR MODE PWM CONTLR
• Manufacturer: Maxim Integrated Products

Specifications of MAX5974DETE+

• Duty Cycle (max): 82 %
• Mounting Style: SMD/SMT
• Switching Frequency: 600 KHz
• Operating Supply Voltage: 12 V to 21 V
• Supply Current: 1.8 mA
• Maximum Operating Temperature: + 85 C
• Fall Time: 14 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 27 ns
• Package / Case: TQFN-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R
OPTO2
1k I
1%
121k I 1%
36V TO 57V
750 I 1%
R
C
DCLMP2
33µF
R
BULK
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
25V
1µF
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
R
C
D1
47nF
GATE3
10 I
AUX
N
4.02k I 1%
C
330pF
T1
499 I 1%
T
F
18V
R
CSSC
R
F
N
S
R
GATE1
10 I
D4
D3
N
N3
FDS3692
R
0.2 I
CS
D5
5i412DP
R
10k I
18V
R
AUX
N1
N
10 I
GATE4
R
10 I
GATE2
Typical Application Circuits
P
N
C
47nF
CLAMP
6.8µH
N4
IRF6217
L2
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
R
4.02k I
1%
COMP1
BIAS
R
2.00k I
COMP2
1%
R
499 I
1%
0.1µF
C
6.8pF
C
COMP2
COMP2
INT
R
7.5kI
1%
R
2.49kI
1%
FB1
FB2
5V, 5A
23