MAX15001 データシートの表示（PDF） - Maxim Integrated
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MAX15001 Datasheet PDF : 18 Pages
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Current-Mode PWM Controllers with
Programmable Switching Frequency
Typical Operating Characteristics (continued)
(VUVLO/EN = +1.4V, VFB = +1V, COMP = open, VCS = 0V, TA = +25°C, unless otherwise noted.)
UVLO/EN SHUTDOWN THRESHOLD
vs. TEMPERATURE
1.180
UVLO/EN FALLING
1.175
1.170
1.165
1.160
1.155
1.150
-40 -15
10
35
60
85
TEMPERATURE (°C)
VCC REGULATOR SET POINT
vs. TEMPERATURE
9.8
VIN = 19V
NDRV NOT SWITCHING
9.6
9.4
NDRV SWITCHING
fSW = 350kHz
9.2
9.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
CURRENT-LIMIT TRIP THRESHOLD
60
TOTAL NUMBER
OF DEVICES = 140
50
40
30
20
10
0
0.964 0.978 0.993 1.007 1.022 1.036
CURRENT-LIMIT TRIP THRESHOLD (V)
VIN SUPPLY CURRENT IN UVLO
vs. TEMPERATURE
65
VIN = 19V
MAX15000 WHEN IN
BOOTSTRAP UVLO
60
55
50
45
-40 -15
10
35
60
85
TEMPERATURE (°C)
VCC REGULATOR SET POINT
vs. TEMPERATURE
8.9
VIN = 19V
8.8
8.7
10mA LOAD
8.6
8.5
8.4
20mA LOAD
8.3
8.2
8.1
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
SWITCHING FREQUENCY
vs. TEMPERATURE
355
+3σ
350
345
MEAN
340
335
330
325
-40
-3σ
TOTAL NUMBER OF DEVICES = 140
-15
10
35
60
85
TEMPERATURE (°C)
VIN SUPPLY CURRENT AFTER
STARTUP vs. TEMPERATURE
2.0
VIN = 24V
fSW = 350kHz
1.9
1.8
1.7
1.6
1.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
CURRENT-LIMIT TRIP THRESHOLD
vs. TEMPERATURE
1.02
+3σ
1.01
1.00
MEAN
0.99
0.98
0.97
0.96
-40
-3σ
TOTAL NUMBER OF DEVICES = 140
-15
10
35
60
85
TEMPERATURE (°C)
SWITCHING FREQUENCY
60
TOTAL NUMBER
OF DEVICES = 140
50
40
30
20
10
0
326.7
333.5 340.3 347.2 354.0 360.8
SWITCHING FREQUENCY (kHz)
_______________________________________________________________________________________ 5
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