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LTC4441 Arkusz danych(PDF) 5 Page - Linear Technology

Numer części LTC4441
Szczegółowy opis  High Side Micropower MOSFET Driver Fully Enhances N-Channel Power MOSFETs
PDF  18 Pages
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Producent  LINER [Linear Technology]
Strona internetowa  http://www.linear.com
Logo LINER - Linear Technology

LTC4441 Arkusz danych(HTML) 5 Page - Linear Technology

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LTC1154
5
1154fb
TYPICAL PERFORMANCE CHARACTERISTICS
Standby Supply Current
Supply Current ON
Input ON Threshold Voltage
Shutdown Threshold Voltage
ENABLE Threshold Voltage
Gate Drive Current
PIN FUNCTIONS
Input and Shutdown Pins
The LTC1154 input pin is active high and activates all of the
protection and charge pump circuitry when switched ON.
The shutdown pin is designed to immediately disable the
switch if a secondary fault condition (over temperature,
etc.) is detected. The LTC1154 logic and shutdown inputs
are high impedance CMOS gates with ESD protection
diodes to ground and supply and therefore should not be
forced beyond the power supply rails. The shutdown pin
should be connected to ground when not in use.
ENABLE Input Pin
The ENABLE input can be used to enable a number of
LTC1154 high side switches in banks or to provide a sec-
ondary means of control. It can also act as an inverting
input. The ENABLE input is a high impedance CMOS gate
with ESD clamp diodes to ground and supply and therefore
should not be forced beyond the power supply rails. This
pin should be grounded when not in use.
TEMPERATURE (°C)
–50
0
5
15
20
25
50
35
0
50
75
LTC1154 • TPC10
10
40
45
30
–25
25
100
125
VS = 18V
VS = 5V
VIN = 0V
VEN = 0V
TEMPERATURE (°C)
–50
0
100
300
400
500
1000
700
050
75
LTC1154 • TPC11
200
800
900
600
–25
25
100
125
VS = 12V
VS = 5V
VIN = 5V
VEN = 0V
TEMPERATURE (°C)
–50
0.4
0.6
1.0
1.2
1.4
2.4
1.8
050
75
LTC1154 • TPC12
0.8
2.0
2.2
1.6
–25
25
100
125
VS = 18V
VS = 5V
TEMPERATURE (°C)
–50
0.4
0.6
1.0
1.2
1.4
2.4
1.8
050
75
LTC1154 • TPC13
0.8
2.0
2.2
1.6
–25
25
100
125
VS = 18V
VS = 5V
TEMPERATURE (°C)
–50
0
0.5
1.5
2.0
2.5
5.0
3.5
050
75
LTC1154 • TPC14
1.0
4.0
4.5
3.0
–25
25
100
125
VS = 12V
DISABLE
ENABLE
GATE VOLTAGE ABOVE SUPPLY (V)
1
10
100
1000
0
8
12
16
0.1
4
20
LTC1154 • TPC15
VS = 18V
TA = 25°C
VS = 12V
VS = 5V



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