Datasheet LTC3406AB (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| 页数 / 页 | 18 / 5 — Typical perForMance characTerisTics (From Front Page Figure Except for … |
| 文件格式/大小 | PDF / 721 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics (From Front Page Figure Except for the Resistive Divider Resistor Values)
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LTC3406AB
Typical perForMance characTerisTics (From Front Page Figure Except for the Resistive Divider Resistor Values) Output vs Load Current RDS(ON) vs Input Voltage RDS(ON) vs Input Voltage
1.820 0.40 0.40 VOUT = 1.8V 1.816 0.35 1.812 0.35 VIN = 2.7V VIN = 3.6V 0.30 1.808 0.30 1.804 ) 0.25 (Ω (Ω) VIN = 4.2V 1.800 0.25 0.20 1.796 R DS(0N) R DS(ON) 0.15 0.20 OUTPUT VOLTAGE (V) 1.792 0.10 1.788 VIN = 2.7V V 0.15 MAIN SWITCH MAIN SWITCH 1.784 IN = 3.6V 0.05 VIN = 4.2V SYNCHRONOUS SWITCH SYNCHRONOUS SWITCH 1.780 0.10 0 0 200 400 600 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) INPUT VOLTAGE (V) TEMPERATURE (°C) 3406B G24 3406B G25 3406B G26
Dynamic Supply Current vs Dynamic Supply Current Temperature
300 300 VOUT = 1.2V VIN = 3.6V ILOAD = 0A V 250 OUT = 1.2V 250 ILOAD = 0A 200 200 150 150 100 100 DYNAMIC SUPPLY CURRENT (µA) 50 DYNAMIC SUPPLY CURRENT (µA) 50 0 0 2 2.5 3 3.5 4 4.5 5 5.5 6 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) TEMPERATURE (°C) 3406B G27 3406B G28
Switch Leakage vs Temperature Switch Leakage vs Input Voltage
140 1000 MAIN SWITCH MAIN SWITCH RUN = 0V 900 120 SYNCHRONOUS SWITCH SYNCHRONOUS SWITCH 800 100 700 600 80 500 60 400 40 SWITCH LEAKAGE (nA) SWITCH LEAKAGE (pA) 300 200 20 100 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 3406B G29 3406B G30 3406abfb For more information www.linear.com/LTC3406AB 5
Typical perForMance characTerisTics (From Front Page Figure Except for the Resistive Divider Resistor Values) Output vs Load Current RDS(ON) vs Input Voltage RDS(ON) vs Input Voltage
1.820 0.40 0.40 VOUT = 1.8V 1.816 0.35 1.812 0.35 VIN = 2.7V VIN = 3.6V 0.30 1.808 0.30 1.804 ) 0.25 (Ω (Ω) VIN = 4.2V 1.800 0.25 0.20 1.796 R DS(0N) R DS(ON) 0.15 0.20 OUTPUT VOLTAGE (V) 1.792 0.10 1.788 VIN = 2.7V V 0.15 MAIN SWITCH MAIN SWITCH 1.784 IN = 3.6V 0.05 VIN = 4.2V SYNCHRONOUS SWITCH SYNCHRONOUS SWITCH 1.780 0.10 0 0 200 400 600 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) INPUT VOLTAGE (V) TEMPERATURE (°C) 3406B G24 3406B G25 3406B G26
Dynamic Supply Current vs Dynamic Supply Current Temperature
300 300 VOUT = 1.2V VIN = 3.6V ILOAD = 0A V 250 OUT = 1.2V 250 ILOAD = 0A 200 200 150 150 100 100 DYNAMIC SUPPLY CURRENT (µA) 50 DYNAMIC SUPPLY CURRENT (µA) 50 0 0 2 2.5 3 3.5 4 4.5 5 5.5 6 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) TEMPERATURE (°C) 3406B G27 3406B G28
Switch Leakage vs Temperature Switch Leakage vs Input Voltage
140 1000 MAIN SWITCH MAIN SWITCH RUN = 0V 900 120 SYNCHRONOUS SWITCH SYNCHRONOUS SWITCH 800 100 700 600 80 500 60 400 40 SWITCH LEAKAGE (nA) SWITCH LEAKAGE (pA) 300 200 20 100 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 TEMPERATURE (°C) INPUT VOLTAGE (V) 3406B G29 3406B G30 3406abfb For more information www.linear.com/LTC3406AB 5