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LTC4442 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4442
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

LTC4442 Datasheet(HTML) 5 Page - Linear Technology

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LTC4442/LTC4442-1
5
4442fa
TYPICAL PERFORMANCE CHARACTERISTICS
Undervoltage Lockout Threshold
Hysteresis vs Temperature
Switching Supply Current vs
Input Frequency
Propagation Delay vs VLOGIC
Supply Voltage
Output High Voltage vs
VCC Supply Voltage
Rise and Fall Time vs
VCC Supply Voltage
TEMPERATURE (°C)
600
800
1000
4442 G10
400
200
500
700
900
300
100
0
–10
–40
110
20
50
80
LTC4442-1
VCC UVLO
LTC4442
VCC UVLO
VLOGIC UVLO
FREQUENCY (Hz)
0
2
3
800k
4442 G11
1
0
200k
400k
600k
1M
4
IVCC
IBOOST
IVLOGIC
NO LOAD
VLOGIC = 5V
VCC = BOOST-TS = 7V
Switching Supply Current vs
Load Capacitance
LOAD CAPACITANCE (nF)
0.1
0.3
3
0
1
10
100
110
30
4442 G12
VLOGIC = 5V
VCC = BOOST-TS = 7V
ICC OR IBOOST
fIN = 500kHz
ICC OR IBOOST
fIN = 100kHz
ILOGIC
fIN = 500kHz
VLOGIC SUPPLY VOLTAGE (V)
3
35
6
4442 G13
20
10
45
7
5
0
40
30
25
15
89
10
NO LOAD
VCC = BOOST-TS = 7V
tPLH(TG)
tPHL(TG)
tPLH(BG)
tPHL(BG)
Propagation Delay vs
VCC Supply Voltage
VCC SUPPLY VOLTAGE (V)
4
35
30
25
20
15
10
5
0
79
4442 G14
56
810
NO LOAD
VLOGIC = 5V
BOOST-TS = VCC
tPLH(TG)
tPHL(TG)
tPLH(BG)
tPHL(BG)
Propagation Delay vs Temperature
TEMPERATURE (°C)
25
30
35
4442 G15
15
0
–40
–10
20
50
80
110
40
20
10
5
NO LOAD
VLOGIC = 5V
VCC = BOOST-TS = 7V
tPLH(TG)
tPHL(BG)
tPHL(TG)
tPLH(BG)
VCC SUPPLY VOLTAGE (V)
4
0
2
4
6
5
6
78
4442 G16
9
8
10
1
3
5
7
9
10
BOOST-TS = VCC
–100mA
–1mA
–10mA
VCC SUPPLY VOLTAGE (V)
4
0
5
10
15
20
56
7
tr(BG)
8
4442 G17
910
tr(TG)
tf(TG)
tf(BG)
CLOAD = 3.3nF
BOOST-TS = VCC
Rise and Fall Time vs
Load Capacitance
LOAD CAPACITANCE (nF)
13
1
10
100
10
30
4442 G18
VCC = BOOST-TS = 7V
tr(BG)
tr(TG)
tf(TG)
tf(BG)



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