LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 5

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

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TYPICAL PERFORMANCE CHARACTERISTICS
5.005
5.000
4.995
4.990
4.985
4.980
4.975
1050
1025
1000
975
950
18
14
10
6
2
–50
–50
2.4
Converter Line Regulation
vs Temperature
Switching Frequency
vs Temperature
PWM No-Load Input Current
vs V
I
LOAD
3.2
IN
–25
–25
= 100mA
(Switching)
4
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
0
0
4.8
25
25
5.6
50
50
6.4
V
OUT
75
75
7.2
3.6V
5.0V
6.4V
= 5V
3534 G14
3534 G08
3534 G11
100
100
8
5.01
5.00
4.99
4.98
4.97
4.96
4.95
225
200
175
150
125
100
3.0
2.8
2.5
2.3
2.0
1.8
1.5
75
50
–50
–50
2.4
Converter Load Regulation
vs Temperature
BURST Maximum Output Current
Capability vs V
Current Limits vs Temperature
V
V
V
Burst Mode OPERATION
IN
IN
OUT
= 5V
= V
3.2
–25
–25
= 5V
OUT
= 5V
4
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
0
0
4.8
IN
LINEAR CURRENT LIMIT
25
25
PEAK CURRENT LIMIT
5.6
500mA
50
50
6.4
300mA
25mA
75
75
7.2
T
3534 G09
3534 G15
3534 G12
A
= 25°C, unless otherwise noted.
100
100
8
1.001
1.000
0.999
0.998
0.997
1800
1600
1400
1200
1000
800
600
400
200
50
45
40
35
30
–50
2.4
2.4
Feedback Voltage vs Temperature
BURST No-Load Input Current
vs V
PWM Maximum Output Current
Capability vs V
V
V
L = 4.7μH
OUT
OUT
3.2
3.2
IN
–25
= 5V
= 5V
(Switching)
4
4
TEMPERATURE (°C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
0
4.8
4.8
IN
LTC3534
25
5.6
5.6
50
6.4
6.4
75
7.2
7.2
3534 G10
3534 G13
3534 G16
5
3534f
100
8
8