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LTC4449 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4449
Description  High Speed Synchronous N-Channel MOSFET Driver
PDF  14 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datasheet(HTML) 5 Page - Linear Technology

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LTC4449
5
4449fa
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
vs Input Frequency
Propagation Delay
vs VLOGIC Supply Voltage
Propagation Delay
vs VCC (Boost) Supply Voltage
Rise and Fall Time
vs VCC (Boost) Supply Voltage
Switching Supply Current
vs Load Capacitance
Rise and Fall Time
vs Load Capacitance
Propagation Delay
vs Temperature
FREQUENCY (Hz)
0
5
6
800k
4449 G12
4
3
200k
400k
600k
1M
2
1
0
NO LOAD
VLOGIC = VCC = 5V
TS = GND
IVCC
IVLOGIC
LOAD CAPACITANCE (nF)
0.1
1
10
100
4449 G13
310
30
VLOGIC = VCC = 5V
TS = GND
ICC
fIN = 500kHz
ICC
fIN = 100kHz
ILOGIC
fIN = 500kHz
1
VCC (BOOST) SUPPLY VOLTAGE (V)
3.5
15
10
5
0
5.0
6.0
4449 G14
4.0
4.5
5.5
6.5
CLOAD = 3.3nF
TS = GND
tr(TG)
tr(BG)
tf(TG)
tf(BG)
LOAD CAPACITANCE (nF)
3
1
10
100
10
30
4449 G15
VCC = 5V
TS = GND
tr(BG)
tr(TG)
tf(TG)
1
tf(BG)
VLOGIC SUPPLY VOLTAGE (V)
3.5
3.0
25
15
20
10
5
5.0
6.0
4449 G16
4.0
4.5
5.5
6.5
NO LOAD
VCC = BOOST = 5V
TS = GND
tpHL(TG)
tpLH(BG)
tpLH(TG)
tpHL(BG)
VCC (BOOST) SUPPLY VOLTAGE (V)
20
15
10
5
5.0
6.0
4449 G17
4.0
4.5
5.5
6.5
NO LOAD
VLOGIC = 5V
TS = GND
tpHL(TG)
tpLH(BG)
tpLH(TG)
tpHL(BG)
TEMPERATURE (°C)
4449 G18
15
0
–40
–10
20
50
80
110
25
20
10
5
NO LOAD
VCC = VLOGIC = 5V
TS = GND
tpHL(TG)
tpLH(BG)
tpLH(TG)
tpHL(BG)



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