Datasheet

LTC3105
4
3105fa
V
OUT
I
Q
vs Temperature
During Shutdown
MPPC Current Variation
vs Temperature
LDO Soft-Start Duration
vs LDO Load
Minimum Input Start-Up Voltage
vs Temperature
Shutdown Thresholds
vs Input Voltage IC Enable Delay vs Input Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
AUX
= V
OUT
= 3.3V, V
LDO
= 2.2V,
V
IN
= 0.6V, unless otherwise noted.
TEMPERATURE (°C)
–45
INPUT VOLTAGE (mV)
280
–15 15 45
240
260
340
220
200
320
300
–30 0 75 9030 60
3105 G01
TEMPERATURE (°C)
–45
CHANGE FROM 25°C (%)
0.5
–15 15 45
–0.5
2.0
0
2.5
–1.0
–1.5
1.5
1.0
–30 0 75 9030 60
3105 G05
LDO LOAD CURRENT (mA)
1
0.95
SOFT-START TIME (ms)
1.05
1.15
2
3 4 5
1.25
1.00
1.10
1.20
6
3105 G06
TEMPERATURE (°C)
–45
I
Q
(µA)
12
22
–15 15 45
8
18
10
20
6
4
16
14
–30 0 75 9030 60
3105 G07
SHDN = 0V
SUPPLY VOLTAGE, V
IN
OR V
AUX
(V)
1.25
0
THRESHOLD VOLTAGE (mV)
200
400
600
2.25
3.25
4.25
800
1000
100
300
500
700
900
5.25
3105 G02
IC DISABLE
IC ENABLE
DELAY TIME (µs)
3105 G03
SUPPLY VOLTAGE, V
IN
OR V
AUX
(V)
1.25 2.25
3.25
4.25
5.25
80
60
120
40
100
OUTPUT VOLTAGE (V)
1.5
0
MAXIMUM INPUT VOLTAGE (V)
1.0
2.0
3.0
2.0
3.0
4.02.5
3.5
4.5 5.0
4.0
5.0
0.5
1.5
2.5
3.5
4.5
5.5
3105 G09
NONSYNCHRONOUS
OPERATION
SYNCHRONOUS
OPERATION
V
IN
for Synchronous Operation