LTC3108
TYPICAL PERFORMANCE CHARACTERISTICS
I
VOUT
vs V
IN
and Source Resistance,
1:50 Ratio
10000
1000
C1 = 4.7nF
T
A
= 25°C, unless otherwise noted.
I
VOUT
vs V
IN
and Source Resistance,
1:100 Ratio
C1 = 1nF
1000
I
VOUT
(μA)
I
VOUT
(μA)
100
100
10
0
0
1Ω
2Ω
5Ω
10Ω
100 200 300 400 500 600 700 800
V
IN
OPEN-CIRCUIT (mV)
3108 G06
10
0
100
200
300
400
V
IN
OPEN-CIRCUIT (mV)
1Ω
2Ω
5Ω
10Ω
500
3108 G07
I
VOUT
vs dT and TEG Size,
1:100 Ratio
10000
V
OUT
= 0V
40mm
TEG
15mm
TEG
100
C1 PIN
2V/DIV
C2 PIN
2V/DIV
SW PIN
50mV/
DIV
Resonant Switching Waveforms
V
IN
= 20mV
1:100 RATIO TRANSFORMER
1000
I
VOUT
(μA)
10
0
0.1
1:50 RATIO
1:100 RATIO
1:50 RATIO
1:100 RATIO
10
1
dT ACROSS TEG (°C)
100
3108 G08
10μs/DIV
3108 G09
LDO Load Regulation
0.00
0.20
0.18
DROPOUT VOLTAGE (V)
–0.25
DROP IN VLDO (%)
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
–1.00
0
0.5
1
1.5 2 2.5
LDO LOAD (mA)
3
3.5
4
3108 G10
LDO Dropout Voltage
–0.50
–0.75
0.00
0
0.5
1
1.5 2 2.5
LDO LOAD (mA)
3
3.5
4
3108 G11
3108fb
5
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
