Datasheet

LTC3900
5
3900fb
C
LOAD
(nF)
10 2 3 104 5 6 7 98
RISE/FALL TIME (ns)
50
45
40
35
30
25
20
15
10
5
0
T
A
= 25°C
V
CC
= 5V
FALL TIME
RISE TIME
UNDERVOLTAGE LOCKOUT THRESHOLD
VOLTAGE (V)
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
3900 G143900 G13
3900 G15
TEMPERATURE (°C)
–75 –50 100
0 50–25 25 75 125 150
FALLING EDGE
RISING EDGE
TEMPERATURE (°C)
–75 –50 100
0 50
–25 25 75 150125
C
LOAD
= 4.7nF
V
CC
SUPPLY CURRENT (mA)
20
18
16
14
12
10
8
6
4
V
CC
= 5V
V
CC
= 11V
C
LOAD
(nF)
10 2 3 104 5 6 7 98
T
A
= 25°C
f
SYNC
= 100kHz
3900 G16
V
CC
= 5V
V
CC
= 11V
SUPPLY CURRENT (mA)
30
25
20
15
10
5
0
Typical perForMance characTerisTics
Rise/Fall Time vs Load
Capacitance
Undervoltage Lockout Threshold
Voltage vs Temperature
V
CC
Supply Current vs
Temperature
V
CC
Supply Current vs Load
Capacitance
Propagation Delay vs C
LOAD
Rise/Fall Time vs V
CC
Rise/Fall Time vs Temperature
C
LOAD
(nF)
1 2 3 10
3900 G10
4 5 6 7 98
RISE/FALL TIME (ns)
50
45
40
35
30
25
20
15
10
5
0
RISE/FALL TIME (ns)
50
45
40
35
30
25
20
15
10
5
0
3900 G11
TEMPERATURE (°C)
3900 G12
T
A
= 25°C
C
LOAD
= 4.7nF
T
A
= 25°C
V
CC
= 5V
V
CC
= 5V
C
LOAD
= 4.7nF
SYNC TO FG
SYNC TO CG
PROPAGATION DELAY (ns)
120
110
100
90
80
70
60
50
40
V
CC
(V)
4 10
6 85 7 9 11
FALL TIME
FALL TIME
RISE TIME
RISE TIME
–75 –50 100
0 50–25 25 75 150125