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MAX5052 Datasheet(PDF) 5 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) 5 Page - Maxim Integrated Products

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Current-Mode PWM Controllers with an Error
Amplifier for Isolated/Nonisolated Power Supplies
_______________________________________________________________________________________
5
CURRENT-LIMIT TRIP THRESHOLD
CURRENT-LIMIT TRIP THRESHOLD (mV)
310
300
290
280
270
5
10
15
20
25
30
0
260
320
TOTAL NUMBER OF
DEVICES = 200
SWITCHING FREQUENCY
vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
245
260
265
255
250
275
270
280
240
-40
80
+3σ
-3σ
MEAN
TOTAL NUMBER OF
DEVICES = 100
SWITCHING FREQUENCY
SWITCHING FREQUENCY (kHz)
280
270
260
250
240
5
10
15
20
25
30
0
230
290
TOTAL NUMBER OF
DEVICES = 200
PROPAGATION DELAY FROM CURRENT-LIMIT
COMPARATOR INPUT TO NDRV vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
55
60
65
70
75
50
-40
80
UVLO/EN PROPAGATION DELAY
vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
4
3
2
1
7
6
5
13
12
11
10
9
8
14
0
-40
80
UVLO/EN RISING
UVLO/EN FALLING
REFERENCE VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
1.226
1.227
1.228
1.229
1.230
1.225
-40
80
VIN = 12V
INPUT CURRENT
vs. INPUT CLAMP VOLTAGE
INPUT VOLTAGE (V)
27.5
25.0
20.0 22.5
15.0 17.5
12.5
1
2
3
4
5
6
7
8
9
10
0
10.0
30.0
INPUT CLAMP VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
25.2
25.4
25.6
25.8
26.0
26.2
26.4
26.6
26.8
27.0
25.0
-40
80
IIN = 2mA
NDRV OUTPUT IMPEDANCE
vs. TEMPERATURE
TEMPERATURE (°C)
60
40
20
0
-20
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
1.2
-40
80
VIN = 24V
SINKING 100mA
Typical Operating Characteristics (continued)
(UVLO = +1.4V, VFB = +1V, VCOMP = floating, VCS = 0V, TA = +25°C, unless otherwise noted.)


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