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LTC1421 bảng dữ liệu(PDF) 4 Page - Linear Technology

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LTC1421 bảng dữ liệu(HTML) 4 Page - Linear Technology

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LTC4211
4
4211fb
TYPICAL PERFORMANCE CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tRESET
Circuit Breaker Reset Delay Time
ON Low to FAULT High
l
150
250
μs
tOFF
Turn-Off Time
ON Low to GATE Off
8
μs
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted. (Note 2)
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All current into device pins are positive; all current out of device
pins are negative; all voltages are referenced to ground unless otherwise
specified.
Note 3: An internal Zener at the GATE pin clamps the charge pump voltage
to a typical maximum operating voltage of 26V. External voltage applied to
the GATE pin beyond the internal Zener voltage may damage the part. If a
lower GATE pin voltage is desired, use an external Zener diode. The GATE
capacitance must be < 0.15μF at maximum VCC.
Supply Current vs Supply Voltage
Supply Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
ON Pin Threshold
vs Supply Voltage
ON Pin Threshold
vs Temperature
GATE Voltage vs Supply Voltage
SUPPLY VOLTAGE (V)
0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
16
4211 G01
4
8
12
20
14
2
6
10
18
TA = 25°C
TEMPERATURE (°C)
–75
2.0
2.5
3.0
125
4211 G02
1.5
1.0
0
–25
25
75
–50
150
0
50
100
0.5
4.0
3.5
VCC = 15V
VCC = 12V
VCC = 5V
VCC = 3V
TEMPERATURE (°C)
–75
2.0
2.1
2.3
2.4
2.5
–25
25
50
150
4211 G03
2.2
–50
0
75 100 125
FALLING EDGE
RISING EDGE
SUPPLY VOLTAGE (V)
1.10
1.20
1.30
1.40
1.15
1.25
1.35
4
8
12
16
4211 G04
20
2
0
6
10
14
18
TA = 25°C
HIGH THRESHOLD
LOW THRESHOLD
TEMPERATURE (°C)
–75
1.10
1.15
1.25
1.30
1.35
–25
25
50
150
4211 G05
1.20
–50
0
75 100 125
1.40
VCC = 5V
HIGH THRESHOLD
LOW THRESHOLD
SUPPLY VOLTAGE (V)
0
10
20
30
5
15
25
4
8
12
16
4211 G06
20
2
0
6
10
14
18
TA = 25°C



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