Datasheet LT8415 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Ultralow Power Boost Converter with Dual Half-Bridge Switches |
| 页数 / 页 | 14 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 268 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Quiescent Current –. Output Voltage vs Temperature
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LT8415
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Quiescent Current – Output Voltage vs Temperature Not Switching Quiescent Current vs Temperature
1 18 15 V V CC = 3.6V, VOUT = 16V CC = 3.6V 0.75 LOAD = 0.5mA 15 FIGURE 4 CIRCUIT 12 0.5 12 0.25 9 0 9 TAGE CHANGE (%) 6 –0.25 6 –0.5 QUIESCENT CURRENT (µA) QUIESCENT CURRENT (µA) 3 OUTPUT VOL 3 –0.75 –1 0 0 –40 0 40 80 120 0 4 8 12 16 –40 0 40 80 120 TEMPERATURE (°C) VCC VOLTAGE (V) TEMPERATURE (°C) 8415 G04 8415 G05 8415 G06
Quiescent Current Average Input Current in vs SHDN Voltage Regulation with No Load SHDN Current vs SHDN Voltage
12 1000 2.5 VCC = 3.6V VCC = 3.6V 2 9 1.5 6 100 1 PIN BIAS CURRENT (µA) 0.5 QUIESCENT CURRENT (µA) 3 AVERAGE INPUT CURRENT (µA) SHDN 0 VCC = 3.6V 0 10 –0.5 0 1 2 3 4 5 0 10 20 30 40 0 4 8 12 16 SHDN VOLTAGE (V) OUTPUT VOLTAGE (V) SHDN VOLTAGE (V) 8415 G07 8415 G08 8415 G09
Peak Inductor Current vs Temperature VREF Voltage vs Temperature UVLO vs Temperature
40 1.235 2.6 VCC = 3.6V VOUT = 16V 2.4 36 FIGURE 4 CIRCUIT 1.234 VCC RISING 2.2 32 1.233 VCC FALLING TAGE (V) TAGE (V) 2 28 VOL 1.232 V REF UVLO VOL 1.8 24 1.231 PEAK INDUCTOR CURRENT (mA) 1.6 VCC = 3.6V 20 1.23 1.4 –40 0 40 80 120 –40 0 40 80 120 –40 0 40 80 120 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8415 G10 8415 G11 8415 G12 8415fb 4 For more information www.linear.com/LT8415
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Quiescent Current – Output Voltage vs Temperature Not Switching Quiescent Current vs Temperature
1 18 15 V V CC = 3.6V, VOUT = 16V CC = 3.6V 0.75 LOAD = 0.5mA 15 FIGURE 4 CIRCUIT 12 0.5 12 0.25 9 0 9 TAGE CHANGE (%) 6 –0.25 6 –0.5 QUIESCENT CURRENT (µA) QUIESCENT CURRENT (µA) 3 OUTPUT VOL 3 –0.75 –1 0 0 –40 0 40 80 120 0 4 8 12 16 –40 0 40 80 120 TEMPERATURE (°C) VCC VOLTAGE (V) TEMPERATURE (°C) 8415 G04 8415 G05 8415 G06
Quiescent Current Average Input Current in vs SHDN Voltage Regulation with No Load SHDN Current vs SHDN Voltage
12 1000 2.5 VCC = 3.6V VCC = 3.6V 2 9 1.5 6 100 1 PIN BIAS CURRENT (µA) 0.5 QUIESCENT CURRENT (µA) 3 AVERAGE INPUT CURRENT (µA) SHDN 0 VCC = 3.6V 0 10 –0.5 0 1 2 3 4 5 0 10 20 30 40 0 4 8 12 16 SHDN VOLTAGE (V) OUTPUT VOLTAGE (V) SHDN VOLTAGE (V) 8415 G07 8415 G08 8415 G09
Peak Inductor Current vs Temperature VREF Voltage vs Temperature UVLO vs Temperature
40 1.235 2.6 VCC = 3.6V VOUT = 16V 2.4 36 FIGURE 4 CIRCUIT 1.234 VCC RISING 2.2 32 1.233 VCC FALLING TAGE (V) TAGE (V) 2 28 VOL 1.232 V REF UVLO VOL 1.8 24 1.231 PEAK INDUCTOR CURRENT (mA) 1.6 VCC = 3.6V 20 1.23 1.4 –40 0 40 80 120 –40 0 40 80 120 –40 0 40 80 120 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8415 G10 8415 G11 8415 G12 8415fb 4 For more information www.linear.com/LT8415