LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 6

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

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LTC3534
TYPICAL PERFORMANCE CHARACTERISTICS
6
INDUCTOR CURRENT
V
OUT
= 200mA/DIV
= 50mV/DIV
V
V
IN
IN
V
IN
= 3.6V
= 6.4V
= 5V
V
20mV/DIV
C
I
V
Burst Mode Operation V
Ripple at 25mA Load
V
C
X5R CERAMIC
LOAD
OUT
OUT
IN
OUT
OUT
= V
= 5V, AC-COUPLED
= 22μF
= 22μF
= 300mA
Ripple at 300mA Load
OUT
= 5V
10μs/DIV
1μs/DIV
INDUCTOR CURRENT =
RUN/SS = 1V/DIV
(STARTS AT 1V)
V
OUT
OUT
500mA/DIV
= 2V/DIV
3534 G17
3534 G19
V
I
LOAD
OUT
= 100mA
Start-Up
500μs/DIV
I
V
LOAD
OUT
V
OUT
PWM = 2V/DIV
= 100mA/DIV
= 100mV/DIV
= 50mV/DIV
T
3534 G21
V
I
C
X5R CERAMIC
A
Load Transient Response in Fixed
Frequency Mode, No-Load to
300mA
V
I
C
X5R CERAMIC
Transition from Burst Mode
Operation to Fixed Frequency
Mode
LOAD
LOAD
IN
OUT
IN
OUT
= 25°C, unless otherwise noted.
= V
= V
= 22μF
= 22μF
= 0 TO 300mA
= 25mA
OUT
OUT
= 5V
= 5V
100μs/DIV
100μs/DIV
3534 G18
3534 G20
3534f