Datasheet LTC3406AB-2 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| 页数 / 页 | 18 / 4 — Typical perForMance characTerisTics (From Figure 1a Except for the … |
| 文件格式/大小 | PDF / 359 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics (From Figure 1a Except for the Resistive Divider Resistor Values)
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LTC3406AB-2
Typical perForMance characTerisTics (From Figure 1a Except for the Resistive Divider Resistor Values) Efficiency vs Input Voltage Efficiency vs Load Current Efficiency vs Input Voltage
100 100 100 VOUT = 1.2V 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 20 IL = 10mA 20 V I IN = 2.7V 20 L = 10mA I I 10 L = 100mA VIN = 3.6V L = 100mA I 10 10 L = 600mA V I OUT = 1.8V V L = 600mA VOUT = 1.2V 0 IN = 4.2V 0 0 2 3 4 5 6 0.1 1 10 100 1000 2 3 4 5 6 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3406AB2 G01 3406AB2 G02 3406AB2 G03
Reference Voltage vs Efficiency vs Load Current Efficiency vs Input Voltage Temperature
100 100 0.615 VOUT = 2.5V VIN = 3.6V 90 90 0.610 80 80 70 70 0.605 60 60 50 50 0.600 40 40 EFFICIENCY (%) EFFICIENCY (%) 30 30 0.595 REFERENCE VOLTAGE (V) 20 V 20 I IN = 2.7V L = 10mA I 0.590 10 VIN = 3.6V 10 L = 100mA V I IN = 4.2V L = 600mA VOUT = 2.5V 0 0 0.585 0.1 1 10 100 1000 2 3 4 5 6 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) INPUT VOLTAGE (V) TEMPERATURE (°C) 3406AB2 G04 3406AB2 G05 3406AB2 G06
Oscillator Frequency vs Oscillator Frequency vs Temperature Supply Voltage Output Voltage vs Load Current
2.50 2.4 1.820 VIN = 3.6V VOUT = 1.8V 2.45 1.816 2.3 2.40 1.812 2.35 2.2 1.808 2.30 1.804 2.25 2.1 1.800 2.20 1.796 2.0 2.15 OUTPUT VOLTAGE (V) 1.792 2.10 V OSCILLATOR FREQUENCY (MHz) OSCILLATOR FREQUENCY (MHz) 1.9 1.788 IN = 2.7V 2.05 1.784 VIN = 3.6V VIN = 4.2V 2.00 1.8 1.780 –50 –25 0 25 50 75 100 125 2 2.5 3 3.5 4 4.5 5 5.5 6 0 200 400 600 TEMPERATURE (°C) INPUT VOLTAGE (V) OUTPUT CURRENT (mA) 3406AB2 G07 3406AB2 G08 3406AB2 G09 3406ab2fa 4 For more information www.linear.com/LTC3406AB-2
Typical perForMance characTerisTics (From Figure 1a Except for the Resistive Divider Resistor Values) Efficiency vs Input Voltage Efficiency vs Load Current Efficiency vs Input Voltage
100 100 100 VOUT = 1.2V 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 20 IL = 10mA 20 V I IN = 2.7V 20 L = 10mA I I 10 L = 100mA VIN = 3.6V L = 100mA I 10 10 L = 600mA V I OUT = 1.8V V L = 600mA VOUT = 1.2V 0 IN = 4.2V 0 0 2 3 4 5 6 0.1 1 10 100 1000 2 3 4 5 6 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3406AB2 G01 3406AB2 G02 3406AB2 G03
Reference Voltage vs Efficiency vs Load Current Efficiency vs Input Voltage Temperature
100 100 0.615 VOUT = 2.5V VIN = 3.6V 90 90 0.610 80 80 70 70 0.605 60 60 50 50 0.600 40 40 EFFICIENCY (%) EFFICIENCY (%) 30 30 0.595 REFERENCE VOLTAGE (V) 20 V 20 I IN = 2.7V L = 10mA I 0.590 10 VIN = 3.6V 10 L = 100mA V I IN = 4.2V L = 600mA VOUT = 2.5V 0 0 0.585 0.1 1 10 100 1000 2 3 4 5 6 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) INPUT VOLTAGE (V) TEMPERATURE (°C) 3406AB2 G04 3406AB2 G05 3406AB2 G06
Oscillator Frequency vs Oscillator Frequency vs Temperature Supply Voltage Output Voltage vs Load Current
2.50 2.4 1.820 VIN = 3.6V VOUT = 1.8V 2.45 1.816 2.3 2.40 1.812 2.35 2.2 1.808 2.30 1.804 2.25 2.1 1.800 2.20 1.796 2.0 2.15 OUTPUT VOLTAGE (V) 1.792 2.10 V OSCILLATOR FREQUENCY (MHz) OSCILLATOR FREQUENCY (MHz) 1.9 1.788 IN = 2.7V 2.05 1.784 VIN = 3.6V VIN = 4.2V 2.00 1.8 1.780 –50 –25 0 25 50 75 100 125 2 2.5 3 3.5 4 4.5 5 5.5 6 0 200 400 600 TEMPERATURE (°C) INPUT VOLTAGE (V) OUTPUT CURRENT (mA) 3406AB2 G07 3406AB2 G08 3406AB2 G09 3406ab2fa 4 For more information www.linear.com/LTC3406AB-2