max5059auit Maxim Integrated Products, Inc., max5059auit Datasheet - Page 9

• Manufacturer Part Number: max5059auit
• Description: Parallelable, Secondary-side Synchronous Rectifier Driver And Feedback-generator Controller Ics
• Manufacturer: Maxim Integrated Products, Inc.

(V+ = +12V, GND = PGND = 0, VDR = V
V
Parallelable Secondary-Side Synchronous Rectifier
VSP
90
85
80
75
70
65
60
55
50
= 1.785V, V
-40
ZERO-CURRENT PROPAGATION DELAY
-25 -10 5
10mV OVERDRIVE
Driver and Feedback-Generator Controller ICs
44
60
58
56
54
52
50
48
46
42
40
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
vs. TEMPERATURE
TEMPERATURE (°C)
-40
PROPAGATION DELAY vs. TEMPERATURE
COMPS
PROPAGATION DELAY vs. TEMPERATURE
-40
20
-25
-25
BUFIN TO QSYNC LOW-TO-HIGH
35 50 65
_______________________________________________________________________________________
BUFIN TO QREC LOW-TO-HIGH
-10 5 20 35 50
-10 5 20 35 50
= 0.5V, C
TEMPERATURE (°C)
TEMPERATURE (°C)
80
95
VREG
110
65 80
65 80
125
= 2.2µF, C
REG
95
, C
95
110
QSYNC
110
34.0
33.8
33.6
33.4
33.2
33.0
32.8
32.6
32.4
32.2
32.0
Typical Operating Characteristics (continued)
125
VP
125
-40
= 1µF, C
SINK CURRENT vs. TEMPERATURE
-25
= C
SFA AMPLIFIER MAXIMUM
-10 5 20 35 50
QREC
COMPS
TEMPERATURE (°C)
= 0, ZCP = ZCN = BUFIN = CSP = CSN = SFN = VSN = GND, V
= 0.1µF, C
40
38
36
34
32
30
28
24
22
46
26
20
60
58
56
54
52
50
48
44
42
40
38
36
34
32
30
65 80
PROPAGATION DELAY vs. TEMPERATURE
-40
PROPAGATION DELAY vs. TEMPERATURE
-40
SFP = +2.5V
SFN = 0V
-25
-25
BUFIN TO QSYNC HIGH-TO-LOW
BUFIN TO QREC HIGH-TO-LOW
95
SFP
-10 5 20 35 50
-10 5 20 35 50
110
= 68nF, T
125
TEMPERATURE (°C)
TEMPERATURE (°C)
A
1.60
1.59
1.58
1.57
1.56
1.55
1.54
1.53
1.52
1.51
1.50
= +25°C, unless otherwise noted.)
65 80
65 80
CURRENT-ADJUST VOLTAGE TO CURRENT-
-40
-25
CONVERTER ADJUSTMENT RANGE
95
95
-10 5 20 35 50
110
110
125
vs. TEMPERATURE
125
TEMPERATURE (°C)
65 80
95
110
IREF
125
=
9