LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 4

• Manufacturer Part Number: LTC3534
• Description: 500mA Synchronous Buck-Boost DC
• Manufacturer: Linear Dimensions Semiconductor

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LTC3534
TYPICAL PERFORMANCE CHARACTERISTICS
4
2.200
2.175
2.150
2.125
–50
Minimum Start-Up Voltage
vs Temperature
–25
TEMPERATURE (°C)
0
100
425
415
405
395
385
90
80
70
60
50
40
30
20
10
0.01
2.4
4 Alkaline Cells to 5V Effi ciency
vs I
Active Quiescent and Burst Mode
SLEEP Currents vs V
25
Burst
Mode
OPERATION
V
FB
LOAD
= 1.2V
3.2
0.1
50
LOAD CURRENT (mA)
4
INPUT VOLTAGE (V)
ACTIVE QUIESCENT CURRENT
75
Burst Mode SLEEP CURRENT
1
4.8
3534 G05
100
5.6
10
IN
6.4
V
V
V
450
430
410
390
370
100
IN
IN
IN
–50
7.2
= 3.6V
= 5V
= 6.4V
Active Quiescent Current
vs Temperature
3534 G01
V
3534 G03
FB
1000
= 1.2V
8
–25
30
28
26
24
22
TEMPERATURE (°C)
0
25
100
3.3
3.0
2.7
2.4
2.1
1.8
1.5
90
80
70
60
50
40
30
20
10
50
0.01
2.4
Current Limits vs V
USB to 5V Effi ciency vs I
Burst
Mode
OPERATION
3.2
75
T
0.1
3534 G06
A
= 25°C, unless otherwise noted.
100
LOAD CURRENT (mA)
4
INPUT VOLTAGE (V)
1
4.8
LINEAR CURRENT LIMIT
PEAK CURRENT LIMIT
5.6
IN
50
40
30
20
10
10
–50
Burst Mode SLEEP Current
vs Temperature
V
6.4
FB
LOAD
V
V
V
= 1.2V
100
V
IN
IN
IN
–25
OUT
= 4.35V
= 4.8V
= 5.25V
7.2
= 5V
3534 G02
3534 G04
TEMPERATURE (°C)
1000
0
8
25
50
75
3534 G07
3534f
100