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LTC4444 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4444
Description  High Voltage Synchronous N-Channel MOSFET Driver
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4444 Datasheet(HTML) 5 Page - Linear Technology

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LTC4444
5
4444f
TYPICAL PERFORMANCE CHARACTERISTICS
Input Thresholds (TINP, BINP)
Hysteresis vs Temperature
VCC Undervoltage Lockout
Thresholds vs Temperature
Rise and Fall Time vs
VCC Supply Voltage
Rise and Fall Time vs
Load Capacitance
Peak Driver (TG, BG) Pull-Up
Current vs Temperature
Output Driver Pull-Down
Resistance vs Temperature
Propagation Delay vs
VCC Supply Voltage
Propagation Delay vs Temperature
TEMPERATURE (
°C)
–40 –25
375
425
500
–10 5
20
50 65 80
4444 G10
400
475
450
35
110
95
125
VCC = BOOST = 12V
TS = GND
TEMPERATURE (
°C)
–40
6.0
6.1
6.3
6.4
6.5
6.7
–25
35
65
4444 G11
6.2
6.6
20
95
125
110
–10 5
50
80
RISING THRESHOLD
FALLING THRESHOLD
BOOST = VCC
TS = GND
SUPPLY VOLTAGE (V)
7
12
28
30
22
26
32
9
11
12
4444 G12
8
20
16
10
24
6
18
14
8
10
13
14
TA = 25°C
BOOST = VCC
TS = GND
CL = 3.3nF
tr(TG)
tr(BG)
tf(TG)
tf(BG)
LOAD CAPACITANCE (nF)
1
40
50
60
9
4444 G13
30
20
0
3
5
7
210
4
6
8
10
80
70
tr(TG)
tr(BG)
tf(TG)
tf(BG)
TA = 25°C
VCC = BOOST = 12V
TS = GND
TEMPERATURE (
°C)
–40
2.0
2.2
2.6
2.8
3.0
3.4
–25
35
65
4444 G14
2.4
3.2
20
95
125
110
–10 5
50
80
VCC = BOOST = 12V
TS = GND
IPU(BG)
IPU(TG)
TEMPERATURE (
°C)
–25
1.2
1.6
2.0
95
4444 G15
0.8
0.4
1.0
1.4
1.8
0.6
0.2
0
5
35
65
–10
–40
110
20
50
80
125
BOOST-TS = 12V
VCC = 12V
VCC = 14V
VCC = 7V
RDS(TG)
RDS(BG)
BOOST-TS = 14V
BOOST-TS = 7V
SUPPLY VOLTAGE (V)
7
10
12
16
18
20
30
24
9
11
12
4444 G16
14
26
28
22
8
10
13
14
TA = 25°C
BOOST = VCC
TS = GND
tPLH(TG)
tPLH(BG)
tPHL(BG)
tPHL(TG)
TEMPERATURE (
°C)
–40
2
7
17
22
27
37
–25
35
65
4444 G17
12
32
20
95
125
110
–10 5
50
80
VCC = BOOST = 12V
TS = GND
tPLH(TG)
tPHL(TG)
tPLH(BG)
tPHL(BG)



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