MAX5053 Maxim Integrated Products, MAX5053 Datasheet - Page 4

• Manufacturer Part Number: MAX5053
• Description: (MAX5052 / MAX5053) Current-Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

Current-Mode PWM Controllers with an Error
Amplifier for Isolated/Nonisolated Power Supplies
(UVLO = +1.4V, V
4
21.60
21.55
21.50
21.45
21.40
21.35
21.30
1.30
1.25
1.20
1.15
1.10
_______________________________________________________________________________________
9.8
9.7
9.6
9.5
9.4
9.3
9.2
-40
-40
-40
BOOTSTRAP UVLO WAKE-UP LEVEL
NDRV OUTPUT IS NOT
SWITCHING, V
UVLO/EN SHUTDOWN THRESHOLD
-20
-20
-20
V
CC
NDRV OUTPUT IS
SWITCHING
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
REGULATOR SET POINT
FB
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
0
FB
= +1V, V
= 1.5V
20
20
20
MAX5052 V
UVLO/EN FALLING
40
40
40
COMP
IN
60
60
60
V
NO LOAD
IN
RISING
= floating, V
= 19V
80
80
80
CS
10.1
10.0
9.9
9.8
9.7
52
51
50
49
48
47
46
45
44
43
42
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
= 0V, T
V
-40
-40
-40
IN
BOOTSTRAP UVLO SHUTDOWN LEVEL
V
MAX5052 WHEN IN BOOTSTRAP UVLO
MAX5053 WHEN UVLO/EN IS LOW
IN
SUPPLY CURRENT IN UNDERVOLTAGE
= 19V
LOCKOUT vs. TEMPERATURE
-20
-20
-20
V
A
CC
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
REGULATOR SET POINT
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
0
TEMPERATURE (°C)
0
0
20
20
20
MAX5052 V
Typical Operating Characteristics
40
40
40
10mA LOAD
20mA LOAD
IN
V
60
60
IN
60
FALLING
= 10.8V
80
80
80
1.280
1.275
1.270
1.265
1.260
1.255
1.250
310
305
300
295
290
285
280
275
270
1.5
1.4
1.3
1.2
1.1
-40
-40
-40
V
IN
+3σ
-3σ
CURRENT-LIMIT TRIP THRESHOLD
MEAN
UVLO/EN WAKE-UP THRESHOLD
SUPPLY CURRENT AFTER STARTUP
-20
-20
-20
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
0
TEMPERATURE (°C)
0
0
20
20
20
TOTAL NUMBER OF
DEVICES = 100
40
40
40
UVLO/EN RISING
60
60
60
V
IN
= 24V
80
80
80