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LTC4443 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4443
Description  High Speed Synchronous N-Channel MOSFET Drivers
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4443 Datasheet(HTML) 4 Page - Linear Technology

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LTC4443/LTC4443-1
4
4443fa
TYPICAL PERFORMANCE CHARACTERISTICS
Input Thresholds vs VLOGIC Supply
Voltage
Input Thresholds for VLOGIC = 3.3V
vs Temperature
BG or TG Input Threshold Hysteresis
vs VLOGIC Supply Voltage
Schottky Diode Forward Voltage
vs Diode Current
VCC Undervoltage Lockout
Thresholds vs Temperature
VLOGIC SUPPLY (V)
34
0
2
5
5
7
8
4443 G01
1
4
3
6
9
10
VIH(TG)
VIL(TG)
VIL(BG)
VIH(BG)
TEMPERATURE (°C)
0
1.0
2.0
3.0
0.5
1.5
2.5
–10
20
50
80
4443 G02
110
–40
VIH(TG)
VLOGIC = 3.3V
VIL(TG)
VIL(BG)
VIH(BG)
TEMPERATURE (°C)
3
4
5
4443 G03
2
1
0
–10
–40
110
20
50
80
VIH(TG)
VLOGIC ≥ 5V
VIL(TG)
VIL(BG)
VIH(BG)
Input Thresholds for VLOGIC ≥ 5V
vs Temperature
VLOGIC SUPPLY (V)
34
0
0.2
0.5
57
8
4443 G04
0.1
0.4
0.3
69
10
SUPPLY VOLTAGE (V)
3
0
0.1
0.3
0.4
0.5
1.0
0.7
5
7
8
4443 G06
0.2
0.8
0.9
0.6
4
6
9
10
IVLOGIC
IBOOST
IVCC
IN FLOATING
BOOST > VCC
Quiescent Supply Current vs
Supply Voltage
DIODE CURRENT (mA)
0
0
0.10
0.20
0.30
0.40
0.50
0.60
50
100
150
200
4443 G07
TEMPERATURE (°C)
2.8
2.9
3.0
4443 G08
2.7
2.6
2.5
–10
–40
110
20
50
80
RISING THRESHOLD
FALLING THRESHOLD
VLOGIC Undervoltage Lockout
Thresholds vs Temperature
TEMPERATURE (°C)
5.0
6.0
7.0
4443 G09
4.0
3.0
4.5
5.5
6.5
3.5
2.5
2.0
–10
–40
110
20
50
80
LTC4443-1 RISING THRESHOLD
LTC4443 RISING THRESHOLD
LTC4443-1 FALLING THRESHOLD
LTC4443 FALLING THRESHOLD
TEMPERATURE (°C)
0.25
0.30
0.35
4443 G05
0.15
0
–40
–10
20
50
80
110
0.40
0.20
0.10
0.05
VLOGIC = 5V
VLOGIC = 3.3V
BG or TG Input Threshold Hysteresis
vs Temperature



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