Rainbow Electronics MAX13256 - Manual (Page 6)

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MAX13256
36V H-Bridge Transformer
Driver for Isolated Supplies
Typical Operating Characteristics (continued)
(V
DD
= 24V, T
A
= +25NC, unless otherwise noted.)
ISOLATED OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX13256 toc09
I LOAD (mA)
1600 1200 800 400 0 2000
V
OUT
(V)
1
2
3
4
5
6
7
8
9
10
0
V DD = 24V
4:1 TRANSFORMER
FULL-WAVE RECTIFIER
NO SNUBBER
ISOLATED OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX13256 toc10
I LOAD (mA)
400 300 200 100 0 500
V
OUT
(V)
2
4
6
8
10
12
14
16
18
20
0
V DD = 24V
4:1 TRANSFORMER
VOLTAGE DOUBLER
NO SNUBBER
EFFICIENCY vs. LOAD CURRENT
MAX13256 toc11
I LOAD (mA)
EFFICIENCY (%)
350 300 200 250 100 150 50
10
20
30
40
50
60
70
80
90
100
0
0 400
V DD = 24V
V DD = 16V
V DD = 12V
V DD = 8V
1:1 TRANSFORMER
FULL-WAVE RECTIFIER
NO SNUBBER
1250 1000 750 500 250
EFFICIENCY vs. LOAD CURRENT
MAX13256 toc12
I LOAD (mA)
EFFICIENCY (%)
10
20
30
40
50
60
70
80
90
100
0
0 1500
V DD = 24V
V DD = 12V
V DD = 16V
V DD = 8V
4:1 TRANSFORMER
FULL-WAVE RECTIFIER
NO SNUBBER
350 300 200 250 100 150 50
EFFICIENCY vs. LOAD CURRENT
MAX13256 toc13
I LOAD (mA)
EFFICIENCY (%)
10
20
30
40
50
60
70
80
90
100
0
0 400
V DD = 32V
V DD = 28V
V DD = 36V
1:1 TRANSFORMER
FULL-WAVE RECTIFIER
WITH SNUBBER
1250 1000 750 500 250
EFFICIENCY vs. LOAD CURRENT
MAX13256 toc14
I LOAD (mA)
EFFICIENCY (%)
10
20
30
40
50
60
70
80
90
100
0
0 1500
V DD = 36V
V DD = 32V
V DD = 28V
4:1 TRANSFORMER
FULL-WAVE RECTIFIER
WITH SNUBBER
MAXIMUM OUTPUT CURRENT
vs. TEMPERATURE
MAX13256 toc15
T A (°C)
I ST
1,
S
T2
(mA)
110 95 80 65 50 35 20 5 -10 -25
500
600
700
800
900
1000
400
-40 125
MULTILAYER BOARD
V DD = 24V
V DD = 36V
V DD = 8V V DD = 16V
MAXIMUM OUTPUT CURRENT
vs. TEMPERATURE
MAX13256 toc16
T A (°C)
I ST
1,
S
T2
(mA)
110 95 80 65 50 35 20 5 -10 -25
400
500
600
700
800
900
300
-40 125
SINGLE-LAYER BOARD
V DD = 24V
V DD = 36V
V DD = 8V V DD = 16V