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| LTC3546 Datasheet, PDF (5/28 Pages) Linear Technology – Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator | |||
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TYPICAL PERFORMANCE CHARACTERISTICS
OUT1 Burst Mode Operation
OUT1 Pulse-Skipping Mode
Operation
LTC3546
OUT1 Forced Continuous Mode
Operation
VOUT
20mV/DIV
VOUT
20mV/DIV
VOUT
20mV/DIV
ILOAD
500mA/DIV
2μs/DIV
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
ILOAD = 300mA
ILOAD
250mA/DIV
3546 G02
1μs/DIV
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.2V
ILOAD = 100mA
ILOAD
250mA/DIV
3546 G03
1μs/DIV
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.2V
ILOAD = 100mA
3546 G04
OUT1 Burst Mode Operation
OUT1 Pulse-Skipping Mode
Operation
OUT1 Forced Continuous Mode
Operation
VOUT
20mV/DIV
ILOAD
200mA/DIV
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
ILOAD = 200mA
VOUT
20mV/DIV
ILOAD
250mA/DIV
3546 G05
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.2V
ILOAD = 100mA
VOUT
20mV/DIV
ILOAD
250mA/DIV
3546 G06
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.2V
ILOAD = 50mA
3546 G07
OUT2 Burst Mode Operation
OUT2 Pulse-Skipping Mode
Operation
OUT2 Forced Continuous Mode
Operation
VOUT
20mV/DIV
ILOAD
500mA/DIV
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 2.5V
ILOAD = 500mA
VOUT
20mV/DIV
ILOAD
500mA/DIV
3546 G08
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
ILOAD = 200mA
VOUT
20mV/DIV
ILOAD
500mA/DIV
3546 G09
1μs/DIV
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
ILOAD = 100mA
3546 G10
3546fb
5
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