LTC3588-2_10 Datasheet, PDF (5/18 Pages) Linear Technology – Piezoelectric Energy Harvesting Power Supply with 14V Minimum VIN

Typical Performance Characteristics
LTC3588-2
4.1V Output vs Temperature
4.20
SLEEP THRESHOLD
4.10
WAKE-UP THRESHOLD
4.00
3.90
3.80
PGOOD FALLING
3.70
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
35882 G10
4.5V Output vs Temperature
4.60
SLEEP THRESHOLD
4.50
WAKE-UP THRESHOLD
4.40
4.30
4.20
PGOOD FALLING
4.10
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
35882 G11
5.0V Output vs Temperature
5.10
SLEEP THRESHOLD
5.00
WAKE-UP THRESHOLD
4.90
4.80
4.70
PGOOD FALLING
4.60
4.50
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
35882 G12
V_OUT Load Regulation
4.20
V_IN = 18V, C_OUT = 100µF, D1 = 0, D0 = 1
4.15
4.10
4.05
4.00
1µ
10µ 100µ 1m 10m 100m
LOAD CURRENT (A)
35882 G13
V_OUT Line Regulation
4.15
C_OUT = 100µF, I_LOAD = 60mA,
4.14 D1 = 0, D0 = 1
4.13
4.12
4.11
4.10
4.09
4.08
4.07
4.06
4.05
14
15
16
17
18
V_IN (V)
35882 G14
I_VOUT vs Temperature
160
140
V_OUT = 4.5V
V_OUT = 5.0V
120
100
V_OUT = 3.45V
80
V_OUT = 4.1V
60
40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
35882 G15
I_PEAK vs Temperature
300
290
280
270
260
250
240
230
220
210
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
35882 G16
R_DS(ON) of PMOS/NMOS
vs Temperature
2.0
1.8
NMOS
1.6
1.4
PMOS
1.2
1.0
Operating Waveforms
OUTPUT
VOLTAGE
50mV/DIV
AC-COUPLED
SWITCH
VOLTAGE
10V/DIV
0V
INDUCTOR
CURRENT
200mA/DIV
0.8
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35882 G17
0mA
2.5µs/DIV
V_IN = 18V, V_OUT = 5.0V
I_LOAD = 1mA
L = 22µH, C_OUT = 47µF
35882 G18
35882fa
5