MAX4370 Просмотр технического описания (PDF) - Maxim Integrated
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производитель
MAX4370
Maxim Integrated
MAX4370 Datasheet PDF : 16 Pages
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Current-Regulating Hot-Swap Controller with
DualSpeed/BiLevel Fault Protection
Typical Operating Characteristics
(Circuit of Figure 7, VIN = 5V, RSENSE = 100mΩ, M1 = FDS6670A, CBOARD = 470µF, CGATE = 0, RS = 0, TA = +25°C, unless other-
wise noted.)
SUPPLY CURRENT vs. INPUT VOLTAGE
1.0
0.9
0.8
ON = VIN
0.7
IGATE = 10µA
0.6
0.5
0.4
0.3
ON = GND
0.2
0.1
0
0 2 4 6 8 10 12 14
VIN (V)
SLOW COMPARATOR
RESPONSE TIME vs. INPUT VOLTAGE
MAX4370 toc05
24
24
23
23
CSPD = 110nF
TIME IN ms
22
22
21
21
20
20
CSPD = 0
TIME IN µs
19
19
18
18
0 2 4 6 8 10 12 14
VIN (V)
SUPPLY CURRENT vs. TEMPERATURE
1.0
ON = VIN
0.9
0.8
VIN = 12V
0.7
VIN = 5V
0.6
0.5
0.4
0.3
VIN = 3V
0.2
0.1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
FAST COMPARATOR THRESHOLD
vs. INPUT VOLTAGE
210
108
206
204
TA = -40°C
202
TA = +25°C
200
198
196
TA = +85°C
194
192
190
0 2 4 6 8 10 12 14
VIN (V)
SLOW COMPARATOR THRESHOLD
vs. INPUT VOLTAGE
51.0
50.8
TA = +25°C
50.6
TA = -40°C
50.4
50.2
50.0
49.8
49.6
TA = +85°C
49.4
49.2
49.0
0 2 4 6 8 10 12 14
VIN (V)
FAST COMPARATOR RESPONSE TIME
vs. OVERDRIVE VOLTAGE
700
600
500
400
VIN = 12V
VIN = 5V
300
200
100
0
1
VIN = 3V
10
100
1000
VOD (mV)
FAST COMPARATOR RESPONSE TIME
vs. TEMPERATURE
500
490
480
470
VIN = 12V
460 VIN = 5V
450
440
430
VIN = 3V
420
410
400
-40 -20
VOD = 10mV
0 20 40 60 80 100
TEMPERATURE (°C)
START-UP TIME
vs. INPUT VOLTAGE
350
35 MAX4370 toc09
CTIM = 100nF
330
TIME IN ms
33
310
31
290
CTIM = 1nF
TIME IN µs
29
270
27
250
25
0 2 4 6 8 10 12 14
VIN (V)
4 _______________________________________________________________________________________
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