MAX5974AETE+ Maxim Integrated Products, MAX5974AETE+ Datasheet - Page 7

• 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

(V
V
GND
IN
10.06
10.05
10.04
10.03
10.02
10.01
10.00
9.99
9.98
9.97
14
12
10
45
40
35
30
25
20
15
10
= 12V (for MAX5974A/MAX5974C, bring V
8
6
4
2
0
5
0
, V
300
250
-40
EN
V
SS
SOFT-START CHARGING CURRENT
400
= 2V, NDRV = AUXDRV = SS = COMP = unconnected, R
= 0.5V
300
-15
FREQUENCY DITHERING
MAXIMUM DUTY CYCLE
vs. SYNC FREQUENCY
500
SYNC FREQUENCY (kHz)
vs. TEMPERATURE
TEMPERATURE (°C)
vs. R
R
350
10
600
DITHER
DITHER
700
(kΩ)
400
35
800
450
60
900
Active-Clamped, Spread-Spectrum,
1000
500
85
Current-Mode PWM Controllers
IN
1000
100
100
Typical Operating Characteristics (continued)
10
83
82
81
80
79
78
77
76
75
90
80
70
60
50
40
30
20
10
0
up to 21V for startup), V
10
0
0
100 200 300 400 500
vs. SWITCHING FREQUENCY
0.5
SWITCHING FREQUENCY
MAXIMUM DUTY CYCLE
SWITCHING FREQUENCY (kHz)
MAXIMUM DUTY CYCLE
vs. R
R
RT
1.0
vs. V
VALUE (k Ω )
V
RT
SS
RT
(V)
VALUE
SS
1.5
= 34.8kI, R
CS
600
2.0
= V
700
CSSC
DT
100
800
2.5
= 25kI, unless otherwise noted. )
= V
DITHER/SYNC
81.0
80.9
80.8
80.7
80.6
80.5
80.4
80.3
80.2
252
251
250
249
248
247
246
245
244
100
90
80
70
60
50
40
30
20
10
0
-40
-40
0
0.5
-15
-15
SWITCHING FREQUENCY
MAXIMUM DUTY CYCLE
MAXIMUM DUTY CYCLE
= V
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
FB
vs. V
1.0
V
10
10
DCLMP
= V
DCLMP
FFB
(V)
1.5
35
35
= V
2.0
DCLMP
60
60
2.5
85
85
=
7