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MAX5019 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX5019
Description  Current-Mode PWM Controllers with Integrated Startup Circuit
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
Logo MAXIM - Maxim Integrated Products

MAX5019 Datasheet(HTML) 4 Page - Maxim Integrated Products

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Current-Mode PWM Controllers with Integrated
Startup Circuit
4
_______________________________________________________________________________________
46.8
47.2
47.0
47.6
47.4
47.8
48.0
-40
20
40
-20
0
60
80
MAX5020
MAXIMUM DUTY CYCLE
vs. TEMPERATURE
TEMPERATURE (
°C)
FB = GND
V+ SUPPLY CURRENT
vs. TEMPERATURE
1.55
1.56
1.58
1.57
1.62
1.63
1.61
1.60
1.59
1.64
-40
0
20
-20
40
60
80
TEMPERATURE (
°C)
FB = VDD = GND
4.40
4.43
4.42
4.41
4.45
4.44
4.49
4.48
4.47
4.46
4.50
-40
-20
0
20
40
60
80
SOFT-START SOURCE CURRENT
vs. TEMPERATURE
TEMPERATURE (
°C)
VDD = FB = SS_SHDN = GND
V+ = 110V
13.50
13.55
13.70
13.65
13.60
13.75
13.80
-40
0
-20
20
40
60
80
V+ INPUT CURRENT vs.
TEMPERATURE (AFTER STARTUP)
TEMPERATURE (
°C)
V+ = 110V, VDD = 13V, FB = GND
179.0
180.0
179.5
180.5
182.0
181.5
181.0
182.5
-40
-20
0
20
40
60
80
V+ SHUTDOWN CURRENT
vs. TEMPERATURE
TEMPERATURE (
°C)
V+ = 110V, FB = SS_SHDN = GND
0.483
0.484
0.486
0.485
0.487
0.488
-40
0
-20
20
40
60
80
CS THRESHOLD VOLTAGE
vs. TEMPERATURE
TEMPERATURE (
°C)
FB = GND
NDRV RESISTANCE
vs. TEMPERATURE
1.0
1.5
2.5
2.0
4.0
4.5
3.5
3.0
5.0
-40
0
20
-20
40
60
80
TEMPERATURE (
°C)
HIGH-SIDE DRIVER
LOW-SIDE DRIVER
-40
-20
0
20
40
60
80
CURRENT-LIMIT DELAY
vs. TEMPERATURE
TEMPERATURE (
°C)
188
190
192
194
196
198
200
202
204
206
208
210
FB = GND, 100mV OVERDRIVE ON CS
2.400
2.402
2.406
2.404
2.408
2.410
010
15
5
2025303540
VSS_SHDN vs. VDD
VDD (V)
Typical Operating Characteristics (continued)
(V+ = 48V, VDD = 13V, CS = GND, NRDV is open circuit, TA = +25°C, unless otherwise noted.)


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