Datasheet

LTC3901
4
3901f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SYNC Negative Threshold vs
Temperature Propagation Delay vs V
CC
Propagation Delay vs
Temperature
Propagation Delay vs C
LOAD
Rise/Fall Time vs V
CC
Rise/Fall Time vs Temperature
Rise/Fall Time vs Load
Capacitance
Undervoltage Lockout Threshold
Voltage vs Temperature
TEMPERATURE (°C)
–50
SYNC NEGATIVE THRESHOLD (V)
100
3901 G07
050
–1.0
–1.1
–1.2
–1.3
–1.4
–1.5
–1.6
–1.7
–1.8
–25 25 75 125
V
CC
(V)
4
PROPAGATION DELAY (µs)
10
3901 G08
68
120
110
100
90
80
70
60
50
40
57911
TEMPERATURE (°C)
–50 100
3901 G09
050–25 25 75 125
C
LOAD
(nF)
123 10
3901 G10
4567 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
3901 G11
TEMPERATURE (°C)
3901 G12
T
A
= 25°C
C
LOAD
= 4.7nF
T
A
= 25°C
C
LOAD
= 4.7nF
T
A
= 25°C
V
CC
= 5V
V
CC
= 5V
C
LOAD
= 4.7nF
V
CC
= 5V
C
LOAD
= 4.7nF
V
CC
= 5V, 11V
SYNC TO ME
SYNC TO MF
SYNC TO ME
SYNC TO MF
SYNC TO ME
SYNC TO MF
PROPAGATION DELAY (µs)
120
110
100
90
80
70
60
50
40
PROPAGATION DELAY (µs)
120
110
100
90
80
70
60
50
40
V
CC
(V)
410
6857911
FALL TIME
FALL TIME
RISE TIME
RISE TIME
C
LOAD
(nF)
1023 104567 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)
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
3901 G143901 G13
TEMPERATURE (°C)
–50 100
050–25 25 75 125
FALLING EDGE
RISING EDGE
–50 100
050–25 25 75 125