LTC4150(RevA) Просмотр технического описания (PDF) - Linear Technology
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LTC4150 Datasheet PDF : 12 Pages
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LTC4150
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Guaranteed by design and not tested in production.
Note 3: Measured at least 20ms after power on.
Note 4: Tested in feedback loop to SENSE+ and SENSE–.
TYPICAL PERFOR A CE CHARACTERISTICS (Specifications are at TA = 25°C, unless
otherwise noted.)
Voltage to Frequency Gain
vs Supply Voltage
+1.00
+0.75
+0.50
+0.25
0
–0.25
VSENSE = 25mV
VSENSE = 50mV
–0.50
–0.75
–1.00
23456789
VDD (V)
4150 G01
Voltage to Frequency Gain
vs Temperature
+1.00
VSENSE = 50mV
+0.75
+0.50
+0.25
VDD = 2.7V
0
–0.25
VDD = 8.5V
–0.50
–0.75
–1.00
-50 -25
0 25 50 75
TEMPERATURE (°C)
100 125
4150 G02
Operating IDD vs VDD
140
120
100
80
60
2 3 4 5 6 7 8 9 10
VDD (V)
4150 G03
Shutdown IDD vs VDD
6
5
4
3
2
1
0
2 3 4 5 6 7 8 9 10
VDD (V)
4150 G04
Digital Output Low Voltage vs VDD
400
IOL = 1.6mA
350
300
250
POL PIN
200 INT PIN
150
100
50
0
23456789
VDD (V)
4150 G05
Undervoltage Lockout Threshold
vs Temperature
2.60
RISING EDGE
2.59
2.58
2.57
2.56
2.55
2.54
2.53
2.52
-50 -25
0 25 50 75
TEMPERATURE (°C)
100 125
4150 G06
4150fa
3
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