MP3115 MPS, MP3115 Datasheet - Page 4

• Manufacturer Part Number: MP3115
• Description: High-efficiency, Single-cell Alkaline, 1.3mhz Synchronous Step-up Converter With Output Disconnect
• Manufacturer: MPS

TYPICAL PERFORMANCE CHARACTERISTICS
C1 = 10µF, C2=22µF, L=1.7µH,R2=20K, T
MP3115 Rev. 0.9
1/25/2008
0.1V/div.
1V/div.
2.56
2.52
2.48
2.60
2.44
2.40
V
V
95
90
85
80
75
70
65
60
OUT
IN
10
10
Efficiency vs.
Efficiency vs.
Efficiency vs.
Load Current
Load Current
Load Current
Line Regulation
V
V
Line Transient
IN
EN
V
V
I
IN
OUT
OUT
=1.2V to 2V,V
=V
13
INPUT VOLTAGE (V)
=1.5V
LOAD CURRENT (mA)
IN
=2.5V
=100mA
,Resistor Load
16
200 s/div.
100
OUT
19
MP3115 – HIGH-EFFICIENCY 1.3MHz SYNCHRONOUS STEP-UP CONVERTER
=2.5V, I
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
22
OUT
1000
=48mA
25
50mV/div.
50mA/div.
V
I
OUT
OUT
1.8
95
90
85
80
75
70
65
1.6
1.4
1.0
60
2.0
1.2
0.8
© 2008 MPS. All Rights Reserved.
10
0
V
V
Load Transient
Efficiency vs.
Efficiency vs.
Efficiency vs.
Load Current
Load Current
Load Current
Minimum Start
V
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IN
EN
A
=1.2V,V
IN
=V
= +25ºC, unless otherwise noted.
OUTPUT CURRENT (mA)
vs. I
30
IN
V
V
V
IN
IN
OUT
,Resistor Load
LOAD CURRENT (mA)
=1.5V
=2.5V
OUT
=3.3V
OUT
60
40 s/div.
=2.5V,I
100
90
OUT
=0mA to 50mA
120
1000
150
0.2A/div.
2V/div.
2V/div.
V
2.56
2.52
2.48
2.60
2.44
2.40
V
OUT
1700
1500
1300
1100
I
EN
IN
900
700
0
Load Regulation
30
V
I
I
Inrush Current
OUT
PEAK
EN
V
=2V,V
V
V
IN
=41mA,C
50
OUT
OUT
40
=1.5V
LOAD CURRENT (mA)
vs. Duty Cycle
=3.3V
=2.5V
IN
Duty Cycle (%)
100
=1.5V,V
50
FF
1ms/div.
=10nF
150
OUT
60
=3.3V
200
70
250
80
4