Datasheet LTC3406B-1.2 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| Páginas / Página | 12 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). Dynamic Supply … |
| Formato / tamaño de archivo | PDF / 276 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFOR A CE CHARACTERISTICS. (From Figure 1). Dynamic Supply Current vs. RDS(ON) vs Input Voltage
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LTC3406B-1.2
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) Dynamic Supply Current vs RDS(ON) vs Input Voltage RDS(ON) vs Temperature Supply Voltage
0.7 0.7 400 TA = 25°C V I IN = 2.7V LOAD = 0A 380 T 0.6 0.6 A = 25°C VIN = 3.6V A) VIN = 4.2V µ 360 0.5 0.5 340 MAIN ) Ω SWITCH Ω 320 ( 0.4 ( 0.4 300 DS(ON) 0.3 DS(ON) 0.3 R SYNCHRONOUS R 280 SWITCH 0.2 0.2 260 240 0.1 0.1 DYNAMIC SUPPLY CURRENT ( MAIN SWITCH 220 SYNCHRONOUS SWITCH 0 0 200 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 2 3 4 5 6 INPUT VOLTAGE (V) TEMPERATURE (°C) SUPPLY VOLTAGE (V) 3406B12 G07 3406B12 G08 3406B12 G09
Dynamic Supply Current vs Temperature Switch Leakage vs Temperature
340 300 VIN = 3.6V VIN = 5.5V ILOAD = 0A RUN = 0V 320 A) 250 µ 300 200 280 150 260 100 240 SWITCH LEAKAGE (nA) MAIN SWITCH 50 DYNAMIC SUPPLY CURRENT ( 220 SYNCHRONOUS SWITCH 200 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE ( TEMPERATURE ( °C) °C) 3406B12 3406B12 G10 G11
Switch Leakage vs Input Voltage Discontinuous Operation
120 RUN = 0V TA = 25°C 100 SW SYNCHRONOUS 2V/DIV SWITCH 80 VOUT 10mV/DIV 60 AC COUPLED MAIN SWITCH IL 40 200mA/DIV SWITCH LEAKAGE (pA) 20 1µs/DIV 3406B12 G13 VIN = 3.6V I 0 LOAD = 50mA 0 1 2 3 4 5 6 INPUT VOLTAGE (V) 3406B12 G12 sn3406b12 3406b12fs 4
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1) Dynamic Supply Current vs RDS(ON) vs Input Voltage RDS(ON) vs Temperature Supply Voltage
0.7 0.7 400 TA = 25°C V I IN = 2.7V LOAD = 0A 380 T 0.6 0.6 A = 25°C VIN = 3.6V A) VIN = 4.2V µ 360 0.5 0.5 340 MAIN ) Ω SWITCH Ω 320 ( 0.4 ( 0.4 300 DS(ON) 0.3 DS(ON) 0.3 R SYNCHRONOUS R 280 SWITCH 0.2 0.2 260 240 0.1 0.1 DYNAMIC SUPPLY CURRENT ( MAIN SWITCH 220 SYNCHRONOUS SWITCH 0 0 200 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 2 3 4 5 6 INPUT VOLTAGE (V) TEMPERATURE (°C) SUPPLY VOLTAGE (V) 3406B12 G07 3406B12 G08 3406B12 G09
Dynamic Supply Current vs Temperature Switch Leakage vs Temperature
340 300 VIN = 3.6V VIN = 5.5V ILOAD = 0A RUN = 0V 320 A) 250 µ 300 200 280 150 260 100 240 SWITCH LEAKAGE (nA) MAIN SWITCH 50 DYNAMIC SUPPLY CURRENT ( 220 SYNCHRONOUS SWITCH 200 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE ( TEMPERATURE ( °C) °C) 3406B12 3406B12 G10 G11
Switch Leakage vs Input Voltage Discontinuous Operation
120 RUN = 0V TA = 25°C 100 SW SYNCHRONOUS 2V/DIV SWITCH 80 VOUT 10mV/DIV 60 AC COUPLED MAIN SWITCH IL 40 200mA/DIV SWITCH LEAKAGE (pA) 20 1µs/DIV 3406B12 G13 VIN = 3.6V I 0 LOAD = 50mA 0 1 2 3 4 5 6 INPUT VOLTAGE (V) 3406B12 G12 sn3406b12 3406b12fs 4