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| LTC3409A_15 Datasheet, PDF (6/16 Pages) Linear Technology – 600mA Low VIN Buck Regulator in 3mm 3mm DFN | |||
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LTC3409A
TYPICAL PERFORMANCE CHARACTERISTICS
(TA = 25°C, from Typical Application on the front page except for the resistive divider resistor values)
Start-Up from Shutdown, VIN = 3.6V,
VOUT = 1.8V, Load = 1kΩ
Load Step 0mA to 600mA Pulse-
Skipping, VIN = 3.6V, VOUT = 1.8V
RUN
2V/DIV
VOUT
100mV/DIV
VOUT
1V/DIV
INDUCTOR
CURRENT
200mA/DIV
200μs/DIV
3409A G16
ILOAD
500mA/DIV
INDUCTOR
CURRENT
500mA/DIV
20μs/DIV
3409A G17
Load Step 50mA to 600mA Pulse-
Skipping, VIN = 3.6V, VOUT = 1.8V
VOUT
50mV/DIV
ILOAD
500mA/DIV
INDUCTOR
CURRENT
500mA/DIV
20μs/DIV
3409A G18
Burst Mode Operation, ILOAD = 35mA,
VIN = 3.6V, VOUT = 1.8V
VOUT
20mV/DIV
VSWITCH
2V/DIV
INDUCTOR
CURRENT
500mA/DIV
4μs/DIV
3409A G19
Load Step 10mA to 600mA,
Burst Mode Operation, VIN = 3.6V,
VOUT = 1.8V
VOUT
100mV/DIV
ILOAD
500mA/DIV
INDUCTOR
CURRENT
500mA/DIV
20μs/DIV
3409A G20
Load Step 50mA to 600mA,
Burst Mode Operation, VIN = 3.6V,
VOUT = 1.8V
VOUT
50mV/DIV
ILOAD
500mA/DIV
INDUCTOR
CURRENT
500mA/DIV
20μs/DIV
3409A G21
3409af
6
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