Datasheet

LTC3534
4
3534fb
For more information www.linear.com/LTC3534
Typical perForMance characTerisTics
4 Alkaline Cells to 5V Efficiency
vs I
LOAD
USB to 5V Efficiency vs I
LOAD
Active Quiescent and Burst Mode
SLEEP Currents vs V
IN
Current Limits vs V
IN
Minimum Start-Up Voltage
vs Temperature
Active Quiescent Current
vs Temperature
Burst Mode SLEEP Current
vs Temperature
LOAD CURRENT (mA)
EFFICIENCY (%)
3534 G01
100
90
50
60
70
80
40
30
20
10
0.01 0.1 100 1000101
Burst
Mode
OPERATION
V
IN
= 3.6V
V
IN
= 5V
V
IN
= 6.4V
LOAD CURRENT (mA)
EFFICIENCY (%)
3534 G02
100
90
50
60
70
80
40
30
20
10
0.01 0.1 100 1000101
Burst
Mode
OPERATION
V
IN
= 4.35V
V
IN
= 4.8V
V
IN
= 5.25V
INPUT VOLTAGE (V)
2.4
ACTIVE QUIESCENT CURRENT (µA)
Burst Mode SLEEP CURRENT (µA)
425
415
405
395
385
30
26
28
24
22
5.64 7.2
3534 G03
84.83.2 6.4
V
FB
= 1.2V
ACTIVE QUIESCENT CURRENT
Burst Mode SLEEP CURRENT
INPUT VOLTAGE (V)
2.4
CURRENT LIMIT (A)
3.3
2.1
2.4
2.7
3.0
1.8
1.5
5.64 7.2
3534 G04
84.83.2 6.4
V
OUT
= 5V
PEAK CURRENT LIMIT
LINEAR CURRENT LIMIT
TEMPERATURE (°C)
–50
V
IN
START VOLTAGE (V)
2.200
2.150
2.175
2.125
25–25 75
3534 G05
1000 50
TEMPERATURE (°C)
–50
ACTIVE QUIESCENT CURRENT (µA)
450
390
430
410
370
25–25 75
3534 G06
1000 50
V
FB
= 1.2V
TEMPERATURE (°C)
–50
Burst Mode SLEEP CURRENT (µA)
50
20
40
30
10
25–25 75
3534 G07
1000 50
V
FB
= 1.2V
T
A
= 25°C, unless otherwise noted.