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LTC3526B Datasheet(PDF) 5 Page - Linear Technology |
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LTC3526B Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC3526/LTC3526B 3526bfd VFB vs Temperature Start-Up Voltage vs Temperature Fixed Frequency Switching Waveform and VOUT Ripple Burst Mode Waveforms VOUT and IIN During Soft-Start Burst Mode Current vs VOUT TEMPERATURE (°C) –60 –1.00 –0.75 –0.50 –0.25 0 –20 20 60 100 3526 G13 0.25 0.50 –40 0 40 80 NORMALIZED TO 25°C –50 –30 –10 10 30 –50 70 90 TEMPERATURE (°C) 0.85 0.90 0.95 3526 G14 0.75 0.70 1.00 0.80 LOAD = 1mA VOUT (V) 1.5 10.0 9.5 9.0 8.5 8.0 7.5 7.0 3.0 4.0 4.5 3526 G15 2.0 2.5 3.5 5.0 SW PIN 2V/DIV 500ns/DIV VIN = 1.2V VOUT = 3.3V AT 100mA COUT = 10µF 3526 G16 VOUT 10mV/DIV AC-COUPLED SW PIN 2V/DIV INDUCTOR CURRENT 0.2A/DIV 10µs/DIV VIN = 1.2V VOUT = 3.3V COUT = 10µF 3526 G17 VOUT 20mV/DIV AC-COUPLED SHDN PIN 1V/DIV INPUT CURRENT 0.2A/DIV 200μs/DIV VOUT = 3.3V COUT = 10μF 3526 G18 VOUT 1V/DIV LOAD CURRENT 50mA/DIV 100µs/DIV VIN = 3.6V VOUT = 5V 20mA TO 170mA STEP COUT = 10µF 3526 G19 VOUT 100mV/DIV AC-COUPLED Load Step Response (Fixed Frequency) LOAD CURRENT 50mA/DIV 100µs/DIV VIN = 3.6V VOUT = 5V 50mA TO 150mA STEP COUT = 10µF 3526 G20 VOUT 100mV/DIV AC-COUPLED Typical perFormance characTerisTics Load Step Response (from Burst Mode Operation) |
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