MAX5974AETE+ Maxim Integrated Products, MAX5974AETE+ Datasheet - Page 6

• 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
Active-Clamped, Spread-Spectrum,
Current-Mode PWM Controllers
6
GND
10,000
IN
1.220
1.218
1.216
1.214
1.212
1.210
1000
20.1
20.0
19.9
19.8
19.7
19.6
19.5
100
10
= 12V (for MAX5974A/MAX5974C, bring V
, V
-40
-40
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
EN
MAX5974A/MAX5974C
2
= 2V, NDRV = AUXDRV = SS = COMP = unconnected, R
-15
4
-15
IN UVLO WAKE-UP LEVEL
(MAX5974A/MAX5974C)
EN RISING THRESHOLD
vs. TEMPERATURE
vs. TEMPERATURE
6
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
T
A
8
10
10
= +85°C
10
T
A
12
= -40°C
35
35
14
16
60
60
18
20
85
22
85
10,000
1.150
1.149
1.148
1.147
1.146
1.145
1.144
1.143
1.142
IN
1000
10.1
10.0
100
9.9
9.8
9.7
9.6
9.5
10
up to 21V for startup), V
-40
-40
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
MAX5974B/MAX5974D
2
-15
4
IN UVLO WAKE-UP LEVEL
-15
(MAX5974B/MAX5974D)
EN FALLING THRESHOLD
vs. TEMPERATURE
vs. TEMEPRATURE
6
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
T
A
8
10
= +85°C
10
10
RT
12
Typical Operating Characteristics
35
= 34.8kI, R
35
14
T
A
CS
16
= -40°C
60
= V
18
60
20
CSSC
DT
85
22
85
= 25kI, unless otherwise noted. )
= V
DITHER/SYNC
140
120
100
7.3
7.2
7.1
7.0
6.9
6.8
2.4
2.0
1.6
1.2
0.8
0.4
80
60
0
-40
-40
0
100
vs. SWITCHING FREQUENCY
UVLO SHUTDOWN CURRENT
IN UVLO SHUTDOWN LEVEL
-15
MAX5974A/MAX5974C
-15
SWITCHING FREQUENCY (kHz)
200
= V
vs. TEMPERATURE
vs. TEMPERATURE
SUPPLY CURRENT
TEMPERATURE (°C)
TEMPERATURE (°C)
300
FB
MAX5974B/MAX5974D
10
10
= V
400
FFB
35
35
500
= V
600
60
60
DCLMP
700
800
85
85
=