Datasheet LTC3410-1.875 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 |
| 页数 / 页 | 16 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). RDS(ON) vs Input … |
| 文件格式/大小 | PDF / 238 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). RDS(ON) vs Input Voltage. RDS(ON) vs Temperature. Dynamic Supply Current
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LTC3410-1.875
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) RDS(ON) vs Input Voltage RDS(ON) vs Temperature
1.2 1.2 1.1 VIN = 4.2V V 1.0 1.0 IN = 3.6V 0.9 VIN = 2.7V 0.8 MAIN SWITCH 0.8 ) Ω ) Ω ( 0.7 ( 0.6 0.6 DS (ON) 0.5 V R SYNCHRONOUS SWITCH DS (ON) IN = 4.2V R 0.4 0.4 VIN = 3.6V 0.3 VIN = 2.7V 0.2 0.2 MAIN SWITCH 0.1 SYNCHRONOUS SWITCH 0 0 1 2 3 4 5 6 7 –50 –30 –10 10 30 50 70 90 110 130 INPUT VOLTAGE (V) TEMPERATURE (°C) 34101875 G07 34101875 G08
Dynamic Supply Current Dynamic Supply Current vs V vs Temperature IN
50 50 ILOAD = 0A µA) 40 µA) 40 30 30 20 20 10 10 DYNAMIC SUPPLY CURRENT ( DYNAMIC SUPPLY CURRENT ( 0 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 125 V TEMPERATURE ( IN (V) °C) 34101875 G09 34101875 G10
Switch Leakage vs Temperature Switch Leakage vs Input Voltage
110 600 V 100 IN = 5.5V 550 RUN = 0V 500 90 450 80 400 70 SYNCHRONOUS 350 MAIN 60 SWITCH 300 SWITCH 50 250 40 200 SWITCH LEAKAGE (nA) 30 MAIN LEAKAGE CURRENT (pA) 150 20 SWITCH 100 SYNCHRONOUS 10 50 SWITCH 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 34101875 G11 34101875 G12 34101875f 4
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) RDS(ON) vs Input Voltage RDS(ON) vs Temperature
1.2 1.2 1.1 VIN = 4.2V V 1.0 1.0 IN = 3.6V 0.9 VIN = 2.7V 0.8 MAIN SWITCH 0.8 ) Ω ) Ω ( 0.7 ( 0.6 0.6 DS (ON) 0.5 V R SYNCHRONOUS SWITCH DS (ON) IN = 4.2V R 0.4 0.4 VIN = 3.6V 0.3 VIN = 2.7V 0.2 0.2 MAIN SWITCH 0.1 SYNCHRONOUS SWITCH 0 0 1 2 3 4 5 6 7 –50 –30 –10 10 30 50 70 90 110 130 INPUT VOLTAGE (V) TEMPERATURE (°C) 34101875 G07 34101875 G08
Dynamic Supply Current Dynamic Supply Current vs V vs Temperature IN
50 50 ILOAD = 0A µA) 40 µA) 40 30 30 20 20 10 10 DYNAMIC SUPPLY CURRENT ( DYNAMIC SUPPLY CURRENT ( 0 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 125 V TEMPERATURE ( IN (V) °C) 34101875 G09 34101875 G10
Switch Leakage vs Temperature Switch Leakage vs Input Voltage
110 600 V 100 IN = 5.5V 550 RUN = 0V 500 90 450 80 400 70 SYNCHRONOUS 350 MAIN 60 SWITCH 300 SWITCH 50 250 40 200 SWITCH LEAKAGE (nA) 30 MAIN LEAKAGE CURRENT (pA) 150 20 SWITCH 100 SYNCHRONOUS 10 50 SWITCH 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 34101875 G11 34101875 G12 34101875f 4