Typical operating characteristics – Rainbow Electronics MAX8514 User Manual
Page 9
MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
_______________________________________________________________________________________
9
V
OUT2
vs. I
OUT2
MAX8513/14 toc04
I
OUT2
(A)
V
OUT2
(V)
1.4
1.2
0.8
1.0
0.4
0.6
0.2
2.46
2.47
2.48
2.49
2.50
2.51
2.52
2.53
2.54
2.55
2.45
0
V
OUT1
= 3.3V AT 1A
V
OUT3
= 12V AT 25mA
V
OUT3
vs. I
OUT3
MAX8513/14 toc05
I
OUT3
(mA)
V
OUT3
(V)
45
40
30 35
10 15 20 25
5
11.80
11.85
11.90
11.95
12.00
12.05
12.10
12.15
12.20
12.25
11.75
0
50
V
OUT1
= 3.3V AT 1A
V
OUT2
= 2.5V AT 0.75A
V
OUT1
vs. V
IN
MAX8513/14 toc06
V
IN
(V)
V
OUT1
(V)
17
16
14 15
9
10 11 12 13
8
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.25
7
18
I
OUT1
= 0
I
OUT1
= 3A
V
OUT2
= 2.5V AT 0.75A
V
OUT3
= 12V AT 25mA
V
OUT2
vs. V
IN
MAX8513/14 toc07
V
IN
(V)
V
OUT2
(V)
17
16
14 15
9
10 11 12 13
8
2.46
2.47
2.48
2.49
2.50
2.51
2.52
2.53
2.54
2.55
2.45
7
18
I
OUT2
= 0
I
OUT2
= 1.5A
V
OUT1
= 3.3V AT 1A
V
OUT3
= 12V AT 25mA
V
OUT3
vs. V
IN
MAX8513/14 toc08
V
IN
(V)
V
OUT3
(V)
17
16
14 15
9
10 11 12 13
8
11.90
11.95
12.00
12.05
12.10
12.15
12.20
12.25
12.30
12.35
11.85
7
18
I
OUT3
= 0
I
OUT3
= 50mA
V
OUT1
= 3.3V AT 1A
V
OUT2
= 2.5V AT 0.75A
OSCILLATOR FREQUENCY
vs. INPUT VOLTAGE
MAX8513/14 toc09
V
IN
(V)
OSCILLATOR FREQUENCY (MHz)
17
16
14 15
9
10 11 12 13
8
1.37
1.36
1.38
1.39
1.40
1.41
1.42
1.43
1.35
7
18
R
FREQ
= 10.7kΩ
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
EFFICIENCY vs. INPUT VOLTAGE
MAX8513/14 toc01
V
IN
(V)
EFFICIENCY (%)
17
16
14 15
9
10 11 12 13
8
10
20
30
40
50
60
70
80
90
100
0
7
18
V
OUT1
= 3.3V, I
OUT1
= 2A
V
OUT2
= 2.5V, I
OUT2
= 1.5A
V
OUT3
= 12V, I
OUT3
= 50mA
EFFICIENCY vs. I
OUT1
(I
OUT2
= 0, I
OUT3
= 0)
MAX8513/14 toc02
I
OUT1
(A)
EFFICIENCY (%)
3.6
4.1
3.1
2.1
2.6
1.1
1.6
0.6
10
20
30
40
50
60
70
80
90
100
0
0.1
V
IN
= 9V
V
IN
= 12V
V
IN
= 16V
V
OUT1
vs. I
OUT1
MAX8513/14 toc03
I
OUT1
(A)
V
OUT1
(V)
3.5
4.0
3.0
2.0
2.5
1.0
1.5
0.5
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.25
0
V
OUT2
= 2.5V AT 0.75A
V
OUT3
= 12V AT 25mA
Typical Operating Characteristics
(Circuit of MAX8513 evaluation kit, V
IN
= 12V, T
A
= +25°C, f
S
= 1.4MHz, unless otherwise noted.)