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MAX5052 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX5052
Description  Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies
Download  13 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
Logo MAXIM - Maxim Integrated Products

MAX5052 Datasheet(HTML) 4 Page - Maxim Integrated Products

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


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