Datasheet

Data Sheet ADP1850
Rev. A | Page 11 of 32
50
100
150
200
250
300
350
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0
TIME (ns)
V
IN
(V)
DH MINIMUM OFF TIME
DH MINIMUM ON TIME
09440-017
Figure 16. Typical DH Minimum On Time and Off Time
–4
–3
–2
–1
0
1
2
3
4
–40 –15 10 35 60 85 110 135
CHANGE IN MINIMUM ON/OFF TIME (%)
TEMPERATURE (°C)
DH MINIMUM ON TIME
DH MINIMUM OFF TIME
09440-018
Figure 17. DH Minimum On Time and Off Time Over Temperature
25
35
34
33
32
31
30
29
28
27
26
–40 –20 0 20 40 60 80 100 120 140
DEAD TIME (ns)
TEMPERATURE (°C)
V
IN
= 12V
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
09440-019
Figure 18. Dead Time vs. Temperature
25
45
43
41
39
37
35
33
31
29
27
0215105
DEAD TIME (ns)
V
IN
(V)
0
T
A
= 25°C
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
09440-020
Figure 19. Dead Time vs. V
IN
400
420
440
460
480
500
520
540
560
580
600
–40 –15 10 35 60 85 110 135
G
m
(µS)
TEMPERATURE (°C)
V
IN
= 2.75V TO 20V
09440-021
Figure 20. G
m
of Error Amplifier vs. Temperature
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
–40 –15 10 35 60 85 110 135
DRIVER RESISTANCE (Ω)
TEMPERATURE (°C)
V
IN
= 2.75V, SOURCING
V
IN
= 12V, SOURCING
V
IN
= 2.75V, SINKING
V
IN
= 12V, SINKING
09440-022
Figure 21. Driver Resistance vs. Temperature