LTC3108 Linear Technology, LTC3108 Datasheet - Page 4

• Manufacturer Part Number: LTC3108
• Description: Ultralow Voltage Step-Up Converter and Power Manager
• Manufacturer: Linear Technology

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LTC3108
TYPICAL PERFORMANCE CHARACTERISTICS
4
1000
1200
1000
800
400
200
600
100
10
0
1
20
0
I
1:100 Ratio Transformer
I
1:50 Ratio
OUT
EFFICIENCY
OUT
40
and Effi ciency vs V
vs V
100
60
V
IN
IN
3000
2500
2000
1000
1500
500
80
and Source Resistance,
OPEN CIRCUIT (mV)
0
V
0
100
I
1:20 Ratio Transformer
IN
OUT
200
(mV)
120
EFFICIENCY
and Effi ciency vs V
100
140
IN
I
300
OUT
,
160
I
OUT
V
IN
180
1Ω
2Ω
3Ω
5Ω
10Ω
15Ω
200
(mV)
3108 G03
3108 G06
400
200
60
50
40
30
20
10
0
IN
300
,
1000
100
12
10
10
2
0
8
6
4
1
3108 G01
20
20
Input Resistance vs V
(V
I
1:100 Ratio
400
1:50 RATIO
OUT
OUT
60
50
40
30
20
10
0
40
40
vs V
Shorted)
1Ω
2Ω
3Ω
5Ω
10Ω
15Ω
60
60
V
IN
IN
80
80
and Source Resistance,
OPEN CIRCUIT (mV)
100
V
100
IN
1:100 RATIO
(mV)
120
120
1800
1500
1200
600
300
900
IN
0
140
140
1:20 RATIO
0
I
1:50 Ratio Transformer
OUT
EFFICIENCY
160
160
and Effi ciency vs V
180
180
T
A
100
3108 G04
3108 G07
= 25°C, unless otherwise noted.
200
200
V
IN
200
10000
(mV)
1000
1000
100
100
I
10
10
OUT
1
50
0.1
I
1:100 Ratio
I
1:20 Ratio
OUT
OUT
IN
300
,
vs dT and TEG Size,
vs V
100
1Ω
2Ω
3Ω
5Ω
10Ω
15Ω
1.5" SQUARE
V
IN
IN
dT ACROSS TEG (°C)
3108 G02
400
OPEN CIRCUIT (mV)
1
and Source Resistance,
150
60
50
40
30
20
10
0
0.625" SQUARE
200
10
250
3108 G05
3108 G08
3108p
100
300