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LTC4443 Datasheet(PDF) 5 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) 5 Page - Linear Technology

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LTC4443/LTC4443-1
5
4443fa
TEMPERATURE (°C)
600
800
1000
4443 G10
400
200
500
700
900
300
100
0
–10
–40
110
20
50
80
LTC4443-1
VCC UVLO
LTC4443
VCC UVLO
VLOGIC UVLO
TEMPERATURE (°C)
25
30
35
4443 G15
15
0
–40
–10
20
50
80
110
40
20
10
5
NO LOAD
VLOGIC = 5V
VCC = 7V
TS = GND
tPLH(TG)
tPHL(BG)
tPHL(TG)
tPLH(BG)
TYPICAL PERFORMANCE CHARACTERISTICS
Undervoltage Lockout Threshold
Hysteresis vs Temperature
Switching Supply Current
vs Load Capacitance
Output High Voltage vs
VCC Supply Voltage
Rise and Fall Time vs
VCC Supply Voltage
FREQUENCY (Hz)
0
5
6
7
800k
4443 G11
4
3
200k
400k
600k
1M
2
1
0
NO LOAD
VLOGIC = 5V
VCC = 7V
TS = GND
IVCC
IVLOGIC
Switching Supply Current
vs Input Frequency
LOAD CAPACITANCE (nF)
0.1
0.3
3
0
1
10
100
110
30
4443 G12
VLOGIC = 5V
VCC = 7V
TS = GND
ICC
fIN = 500kHz
ICC
fIN = 100kHz
ILOGIC
fIN = 500kHz
VLOGIC SUPPLY VOLTAGE (V)
3
35
6
4443 G13
20
10
45
7
5
0
40
30
25
15
89
10
NO LOAD
VCC = 7V
TS = GND
tPLH(TG)
tPHL(TG)
tPLH(BG)
tPHL(BG)
VCC SUPPLY VOLTAGE (V)
4
35
30
25
20
15
10
5
0
79
4443 G14
56
810
NO LOAD
VLOGIC = 5V
TS = GND
tPLH(TG)
tPHL(TG)
tPLH(BG)
tPHL(BG)
Propagation Delay vs
VCC Supply Voltage
Propagation Delay vs
VLOGIC Supply Voltage
Propagation Delay vs
Temperature
VCC SUPPLY VOLTAGE (V)
4
0
2
4
6
5
6
78
4443 G16
9
8
10
1
3
5
7
9
10
TS = GND
–100mA
–1mA
–10mA
VCC SUPPLY VOLTAGE (V)
4
0
5
10
15
20
56
7
tr(BG)
8
4443 G17
910
tr(TG)
tf(TG)
tf(BG)
CLOAD = 3.3nF
TS = GND
Rise and Fall Time vs
Load Capacitance
LOAD CAPACITANCE (nF)
13
1
10
100
10
30
4443 G18
VCC = 7V
TS = GND
tr(BG)
tr(TG)
tf(TG)
tf(BG)



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