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LTC3440 Datasheet(PDF) 4 Page - Linear Technology |
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LTC3440 Datasheet(HTML) 4 Page - Linear Technology |
4 / 16 page LTC3532 4 3532fc TEMPERATURE (°C) VIN = 3.6V –55 1000 1050 1100 95 3532 G07 950 900 800 –5 45 850 1200 1150 TEMPERATURE (°C) –55 1.196 1.201 1.211 1.216 1.221 45 1.241 3532 G08 1.206 –5 95 1.226 1.231 1.236 VOUT 200mV/DIV ILOAD 100mA/DIV 100μs/DIV COUT = 10μF VIN = 3.6V VOUT = 3.3V 3535 G09 Efficiency vs Frequency Peak Current Clamp and Limit vs VIN Automatic Burst Threshold vs RBURST Burst Mode to Fixed Frequency Transition Switch Pins in Buck-Boost Mode Switch Pins Before Entering Boost Mode TYPICAL PERFOR A CE CHARACTERISTICS Frequency vs Temperature Feedback Voltage vs Temperature Load Transient Response in Fixed Frequency Mode TA = 25°C, unless otherwise specified. FREQUENCY (kHz) 500 80 84 86 88 90 92 94 1000 1500 3532 G04 96 98 100 82 2000 VIN = 3.6V VOUT = 3.3V VIN (V) 2.4 0.8 1.0 1.2 5.4 3532 G05 0.6 0.4 0 3.4 4.4 0.2 1.6 1.4 VOUT = 3.3V ICLAMP ILIMIT BURST RESISTOR (kΩ) 150 10 20 30 40 50 60 70 250 350 450 550 3532 G06 LEAVE BURST ENTER BURST VOUT = 3.3V VIN = 3.6V SW1 2V/DIV SW2 2V/DIV 40ns/DIV VIN = 3.3V VOUT = 3.3V ILOAD = 100mA 3532 G11 SW1 2V/DIV SW2 2V/DIV 40ns/DIV VIN = 2.9V VOUT = 3.3V ILOAD = 100mA 3532 G12 VOUT 200mV/DIV BURST PIN 2V/DIV 400μs/DIV COUT = 22μF VIN = 3.6V VOUT = 3.3V 3532 G10 |
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