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MP3213 – 700KHZ/1.3MHZ BOOST CONVERTER WITH A 3.5A SWITCH
MP3213 Rev. 1.1
5/12/2006
www.MonolithicPower.com
3
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit on front page, V
IN
= 5V, V
OUT
= 12V, T
A
= +25
°
C, C2 = 4.7μF, C4 = 10nF, unless otherwise
noted.
Efficiency vs
Load Current
100
95
90
85
80
75
70
65
60
55
50
1
10
LOAD CURRENT (mA)
V
IN
= 3.3V
V
OUT
= 12V
-45
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
C
0
10 20 30 40 50 60 70 80 90
DUTY CYCLE (%)
Current Limit vs
Duty Cycle
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
F
TEMPERATURE (
°
C)
Frequency (1.3MHz) vs
Temperature
690
680
670
660
650
640
630
620
F
TEMPERATURE (
°
C)
Frequency (700KHz) vs
Temperature
1.259
1.258
1.257
1.256
1.255
1.254
1.253
1.252
1.251
1.250
F
TEMPERATURE (
°
C)
Feedback Voltage vs
Temperature
690
680
670
660
650
640
630
620-45 -25 0
25 45 65 85 105125145
TEMPERATURE (
°
C)
-25 0
25 45 65 85 105125145
-45 -25 0
25 45 65 85 105125145
Quiescent Current vs
Temperature
-45 -25 0
25 45 65 85 105125145
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
E
1
10
100
1000
LOAD CURRENT (mA)
100
95
90
85
80
75
70
65
60
55
50
E
LOAD CURRENT (mA)
1
10
100
1000
V
IN
= 5V
V
OUT
= 18V
V
IN
= 3.3V
V
OUT
= 8V
E
100
1000
Efficiency vs
Load Current
Efficiency vs
Load Current
100
95
90
85
80
75
70
65
60
55
50
E
LOAD CURRENT (mA)
1
10
100
1000
V
IN
= 5V
V
OUT
= 12V
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