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LTC4449 Datenblatt(PDF) 4 Page - Linear Technology

Teilenummer LTC4449
Bauteilbeschribung  High Speed Synchronous N-Channel MOSFET Driver
PDF  14 Pages
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Hersteller  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datenblatt(HTML) 4 Page - Linear Technology

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LTC4449
4
4449fa
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
VLOGIC Undervoltage Lockout
Thresholds vs Temperature
Undervoltage Lockout Threshold
Hysteresis vs Temperature
Input Thresholds for VLOGIC ≥ 5V
vs Temperature
Quiescent Supply Current
vs Supply Voltage
VCC Undervoltage Lockout
Thresholds vs Temperature
BG or TG Input Threshold Hysteresis
vs Temperature
VLOGIC SUPPLY (V)
3.0
3.5
0
1.0
4.0
4.0
5.0
5.5
4449 G01
0.5
2.0
2.5
3.0
3.5
1.5
4.5
6.0
6.5
VIH(TG)
VIL(TG)
VIL(BG)
VIH(BG)
TEMPERATURE (°C)
1.0
2.0
3.0
0.5
1.5
2.5
–10
20
50
80
4449 G02
110
–40
VIH(TG)
VLOGIC = 3.3V
VIL(TG)
VIL(BG)
VIH(BG)
TEMPERATURE (°C)
3
4
5
4449 G03
2
1
0
–10
–40
110
20
50
80
VIH(TG)
VLOGIC ≥ 5V
VIL(TG)
VIL(BG)
VIH(BG)
VLOGIC SUPPLY (V)
3.0
3.5
0
0.10
0.35
4.0
5.0
5.5
4449 G04
0.05
0.20
0.25
0.30
0.15
4.5
6.0
6.5
TEMPERATURE (°C)
0.25
0.30
0.35
4449 G05
0.15
0
–40
–10
20
50
80
110
0.40
0.20
0.10
0.05
VLOGIC = 5V
VLOGIC = 3.3V
SUPPLY VOLTAGE (V)
3.0
0
0.1
0.3
0.4
0.5
1.0
0.7
4.0
5.0
5.5
4449 G06
0.2
0.8
0.9
0.6
3.5
4.5
6.0
6.5
7.0
IN FLOATING
TS = GND
IVLOGIC
IBOOST
IVCC
TEMPERATURE (°C)
2.8
2.9
4449 G08
2.7
2.6
2.5
–10
–40
110
20
50
80
RISING THRESHOLD
FALLING THRESHOLD
TEMPERATURE (°C)
3.2
3.3
4449 G09a
3.1
3.0
2.9
–10
–40
110
20
50
80
RISING THRESHOLD
FALLING THRESHOLD
TEMPERATURE (°C)
150
250
200
4449 G09b
100
50
0
–10
–40
110
20
50
80
VCC UVLO
VLOGIC UVLO



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