LTC3546 Linear Technology, LTC3546 Datasheet - Page 5

• Manufacturer Part Number: LTC3546
• Description: 3A/1A or 2A/2A Configurable Step-Down DC/DC Regulator
• Manufacturer: Linear Technology

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500mA/DIV
TYPICAL PERFORMANCE CHARACTERISTICS
500mA/DIV
200mA/DIV
20mV/DIV
20mV/DIV
20mV/DIV
I
I
I
V
LOAD
V
V
LOAD
LOAD
OUT
OUT
OUT
OUT2 Burst Mode Operation
OUT1 Burst Mode Operation
SW1D CONNECTED TO SW2
V
V
I
OUT1 Burst Mode Operation
SW1D CONNECTED TO SW1
V
V
I
SW1D CONNECTED TO SW2
V
V
I
LOAD
LOAD
LOAD
IN
OUT
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 3.6V
= 2.5V
= 1.8V
= 1.8V
= 500mA
= 300mA
= 200mA
1μs/DIV
2μs/DIV
1μs/DIV
3546 G08
3546 G02
3546 G05
500mA/DIV
250mA/DIV
250mA/DIV
20mV/DIV
20mV/DIV
20mV/DIV
I
I
I
V
V
LOAD
V
LOAD
LOAD
OUT
OUT
OUT
OUT2 Pulse-Skipping Mode
Operation
OUT1 Pulse-Skipping Mode
Operation
OUT1 Pulse-Skipping Mode
Operation
SW1D CONNECTED TO SW1
V
V
I
SW1D CONNECTED TO SW2
V
V
I
SW1D CONNECTED TO SW2
V
V
I
LOAD
LOAD
LOAD
IN
OUT
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 3.6V
= 1.2V
= 1.8V
= 1.2V
= 100mA
= 200mA
= 100mA
1μs/DIV
1μs/DIV
1μs/DIV
3546 G03
3546 G09
3546 G06
250mA/DIV
500mA/DIV
250mA/DIV
20mV/DIV
20mV/DIV
20mV/DIV
I
I
I
V
V
LOAD
V
LOAD
LOAD
OUT
OUT
OUT
OUT1 Forced Continuous Mode
Operation
OUT1 Forced Continuous Mode
Operation
SW1D CONNECTED TO SW2
V
V
I
OUT2 Forced Continuous Mode
Operation
SW1D CONNECTED TO SW2
V
V
I
SW1D CONNECTED TO SW1
V
V
I
LOAD
LOAD
LOAD
IN
OUT
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 3.6V
= 1.8V
= 1.2V
= 1.2V
= 50mA
= 100mA
= 100mA
1μs/DIV
1μs/DIV
LTC3546
1μs/DIV
3546fb
5
3546 G10
3546 G07
3546 G04