MAX5021 データシートの表示（PDF） - Maxim Integrated
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MAX5021 Datasheet PDF : 11 Pages
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Current-Mode PWM Controllers for Isolated
Power Supplies
Typical Operating Characteristics (continued)
(VIN = 15V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
1.60
VIN = 28.0V
VOPTO = VCS = 0
1.55
1.50
1.45
1.40
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
CURRENT SENSE THRESHOLD
vs. TEMPERATURE
640
630
+3σ
620
610 MEAN
600
590
-3σ
580
570
-40 -20
TOTAL NUMBER OF
DEVICES = 50
0 20 40 60 80
TEMPERATURE (°C)
OSCILLATOR FREQUENCY
25
TOTAL NUMBER
OF DEVICES = 200
20
15
10
5
0
230 240 250 260 270 280 290
OSCILLATOR FREQUENCY (kHz)
MAXIMUM VCC
vs. TEMPERATURE
9.15
9.12
9.09
9.06
VIN = 28.0V
9.03
VCS = 0
OPTO = UNCONNECTED
9.00
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
CURRENT SENSE
THRESHOLD
25
TOTAL NUMBER
20
OF DEVICES = 200
15
10
5
0
540
560 580 600 620 640 660
CURRENT SENSE THRESHOLD (mV)
CURRENT SENSE DELAY
vs. TEMPERATURE
75
70
65
60
55
50
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
MINIMUM VCC
vs. TEMPERATURE
8.30
VIN = 10.8V
8.20
5mA LOAD ON VCC
VCS = 0
OPTO = UNCONNECTED
8.10
8.00
7.90
7.80
7.70
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
OSCILLATOR FREQUENCY
vs. TEMPERATURE
280
TOTAL NUMBER
275
OF DEVICES = 50
270
+3σ
265
MEAN
260
255
-3σ
250
245
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
UNDERVOLTAGE LOCKOUT
DELAY vs. TEMPERATURE
6
5
VIN RISING
4
3
2
VIN FALLING
1
0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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