MAX5974AETE+ Maxim Integrated Products, MAX5974AETE+ Datasheet - Page 24

• Manufacturer Part Number: MAX5974AETE+
• Description: Current Mode PWM Controllers ACTIVE-CLAMPED CUR MODE PWM CONTLR
• Manufacturer: Maxim Integrated Products

Specifications of MAX5974AETE+

• 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

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