Datasheet LTC3403 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 1.5MHz, 600mA Synchronous Step-Down Regulator with Bypass Transistor |
| 页数 / 页 | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a). Switch Leakage vs … |
| 文件格式/大小 | PDF / 950 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a). Switch Leakage vs Temperature. Switch Leakage vs Input Voltage
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LTC3403
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a) Switch Leakage vs Temperature Switch Leakage vs Input Voltage
300 120 VIN = 5.5V TA = 25°C RUN = 0V RUN = 0V 250 100 SYNCHRONOUS SWITCH 200 80 150 60 MAIN SWITCH 100 40 SWITCH LEAKAGE (nA) SWITCH LEAKAGE (pA) MAIN SWITCH 50 20 SYNCHRONOUS SWITCH 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 3403 G11 3403 G12
Start-Up from Shutdown Burst Mode Operation
RUN 2V/DIV VOUT 0.1V/DIV VOUT 1V/DIV IL I 200mA/DIV L 500mA/DIV V 3403 G13 IN = 3.6V 40µs/DIV VIN = 3.6V 2µs/DIV 3403 G14 VREF = 0.6V VREF = 0.6V RLOAD = 3Ω ILOAD = 60mA MODE = 3.6V, FORCED CONTINUOUS MODE MODE = 0V
Load Step Response Forced Continuous Mode
VOUT VOUT 200mV/DIV 10mV/DIV IL 500mA/DIV IL I 200mA/DIV LOAD 500mA/DIV V 3403 G16 IN = 3.6V 20µs/DIV V 3403 G15 IN = 3.6V 200ns/DIV VREF = 0.6V VREF = 0.6V ILOAD = 50mA TO 600mA ILOAD = 0A MODE = 0V, Burst Mode OPERATION MODE = 3.6V 3403f 5
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a) Switch Leakage vs Temperature Switch Leakage vs Input Voltage
300 120 VIN = 5.5V TA = 25°C RUN = 0V RUN = 0V 250 100 SYNCHRONOUS SWITCH 200 80 150 60 MAIN SWITCH 100 40 SWITCH LEAKAGE (nA) SWITCH LEAKAGE (pA) MAIN SWITCH 50 20 SYNCHRONOUS SWITCH 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 3403 G11 3403 G12
Start-Up from Shutdown Burst Mode Operation
RUN 2V/DIV VOUT 0.1V/DIV VOUT 1V/DIV IL I 200mA/DIV L 500mA/DIV V 3403 G13 IN = 3.6V 40µs/DIV VIN = 3.6V 2µs/DIV 3403 G14 VREF = 0.6V VREF = 0.6V RLOAD = 3Ω ILOAD = 60mA MODE = 3.6V, FORCED CONTINUOUS MODE MODE = 0V
Load Step Response Forced Continuous Mode
VOUT VOUT 200mV/DIV 10mV/DIV IL 500mA/DIV IL I 200mA/DIV LOAD 500mA/DIV V 3403 G16 IN = 3.6V 20µs/DIV V 3403 G15 IN = 3.6V 200ns/DIV VREF = 0.6V VREF = 0.6V ILOAD = 50mA TO 600mA ILOAD = 0A MODE = 0V, Burst Mode OPERATION MODE = 3.6V 3403f 5