MAX5058/MAX5059
Parallelable Secondary-Side Synchronous Rectifier
Driver and Feedback-Generator Controller ICs
_______________________________________________________________________________________ 9
ZERO-CURRENT PROPAGATION DELAY
vs. TEMPERATURE
MAX5058/59 toc23
TEMPERATURE (°C)
ZCP TO QSYNC DELAY (ns)
11095-25 -10 5 35 50 6520 80
55
60
65
70
75
80
85
90
50
-40 125
10mV OVERDRIVE
SFA AMPLIFIER MAXIMUM
SINK CURRENT vs. TEMPERATURE
MAX5058/59 toc24
TEMPERATURE (°C)
SFA SINK CURRENT (μA)
1109565 80-10 5 20 35 50-25
32.2
32.4
32.6
32.8
33.0
33.2
33.4
33.6
33.8
34.0
32.0
-40 125
SFP = +2.5V
SFN = 0V
CURRENT-ADJUST VOLTAGE TO CURRENT-
CONVERTER ADJUSTMENT RANGE
vs. TEMPERATURE
MAX5058/59 toc25
TEMPERATURE (°C)
ADJUSTMENT RANGE (μA)
1109565 80-10 5 20 35 50-25
1.51
1.52
1.53
1.54
1.55
1.56
1.57
1.58
1.59
1.60
1.50
-40 125
Typical Operating Characteristics (continued)
(V+ = +12V, GND = PGND = 0, VDR = V
REG
, C
QSYNC
= C
QREC
= 0, ZCP = ZCN = BUFIN = CSP = CSN = SFN = VSN = GND, V
IREF
=
V
VSP
= 1.785V, V
COMPS
= 0.5V, C
VREG
= 2.2µF, C
VP
= 1µF, C
COMPS
= 0.1µF, C
SFP
= 68nF, T
A
= +25°C, unless otherwise noted.)
BUFIN TO QREC LOW-TO-HIGH
PROPAGATION DELAY vs. TEMPERATURE
MAX5058/59 toc26
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
1109565 80-10 5 20 35 50-25
29
30
31
32
33
34
35
36
37
38
39
40
41
42
28
-40 125
BUFIN TO QREC HIGH-TO-LOW
PROPAGATION DELAY vs. TEMPERATURE
MAX5058/59 toc27
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
1109565 80-10 5 20 35 50-25
34
36
38
40
42
44
46
48
50
52
54
56
58
60
32
30
-40 125
BUFIN TO QSYNC LOW-TO-HIGH
PROPAGATION DELAY vs. TEMPERATURE
MAX5058/59 toc28
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
1109565 80-10 5 20 35 50-25
48
50
52
54
56
58
60
44
42
40
46
-40 125
BUFIN TO QSYNC HIGH-TO-LOW
PROPAGATION DELAY vs. TEMPERATURE
MAX5058/59 toc29
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
1109565 80-10 5 20 35 50-25-40 125
28
30
32
34
36
38
40
24
22
20
26
