Datasheet LTC3406-1.2 (Analog Devices) - 4

制造商Analog Devices
描述1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
页数 / 页12 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). Supply Current vs …
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TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). Supply Current vs Temperature. Switch Leakage vs Temperature

TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) Supply Current vs Temperature Switch Leakage vs Temperature

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LTC3406-1.2
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) Supply Current vs Temperature Switch Leakage vs Temperature
50 300 VIN = 3.6V VIN = 5.5V 45 ILOAD = 0A RUN = 0V 250 40 µA) 35 200 30 25 150 20 100 15 SUPPLY CURRENT ( SWITCH LEAKAGE (nA) 10 MAIN SWITCH 50 5 SYNCHRONOUS SWITCH 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 340612 G10 340612 G11
Switch Leakage vs Input Voltage Discontinuous Operation
120 RUN = 0V TA = 25°C 100 SW SYNCHRONOUS 2V/DIV SWITCH 80 VOUT 50mV/DIV AC COUPLED 60 MAIN SWITCH IL 40 200mA/DIV SWITCH LEAKAGE (pA) 20 4µs/DIV 3406B12 G13 VIN = 3.6V I 0 LOAD = 25mA 0 1 2 3 4 5 6 INPUT VOLTAGE (V) 340612 G12
(From Figure 1a Except for the Resistive Divider Resistor Values) Load Step Load Step
RUN VOUT 2V/DIV 100mV/DIV AC COUPLED VOUT 1V/DIV ILOAD 500mA/DIV IL I 500mA/DIV L 500mA/DIV 340612 G14 20 40µs/DIV µs/DIV 340612 G15 V V IN = 3.6V IN = 3.6V I I LOAD = 25mA TO 600mA LOAD = 100mA TO 600mA 340612fa 4