Datasheet LTC3890-2 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller |
| 页数 / 页 | 42 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. SENSE– Pin Total Input Bias Current. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 958 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. SENSE– Pin Total Input Bias Current. Shutdown Current. Oscillator Frequency
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LTC3890-2
TYPICAL PERFORMANCE CHARACTERISTICS SENSE– Pin Total Input Bias Current Shutdown Current Oscillator Frequency vs Temperature vs Input Voltage vs Temperature
800 30 600 700 V FREQ = INTV OUT > INTVCC + 0.5V 25 550 CC 600 500 20 500 400 15 450 300 – CURRENT (µA) 200 10 FREQUENCY (kHz) 400 SENSE 100 SHUTDOWN CURRENT (µA) FREQ = GND V 5 OUT < INTVCC – 0.5V 350 0 –100 0 300 –75 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 45 50 55 60 65 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 38902 G23 38902 G22 38902 G24
Undervoltage Lockout Threshold Oscillator Frequency vs Temperature vs Input Voltage Shutdown Current vs Temperature
4.2 356 22 FREQ = GND VIN = 12V 4.1 354 20 18 4.0 352 RISING 16 3.9 350 VOLTAGE (V) 14 CC FALLING TOR FREQUENCY (kHz) 3.8 348 INTV 12 SHUTDOWN CURRENT (µA) 3.7 OSCILLA 346 10 3.6 344 8 –75 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 45 50 55 60 65 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 38902 G25 38902 G26 38902 G27 Rev. A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS SENSE– Pin Total Input Bias Current Shutdown Current Oscillator Frequency vs Temperature vs Input Voltage vs Temperature
800 30 600 700 V FREQ = INTV OUT > INTVCC + 0.5V 25 550 CC 600 500 20 500 400 15 450 300 – CURRENT (µA) 200 10 FREQUENCY (kHz) 400 SENSE 100 SHUTDOWN CURRENT (µA) FREQ = GND V 5 OUT < INTVCC – 0.5V 350 0 –100 0 300 –75 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 45 50 55 60 65 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 38902 G23 38902 G22 38902 G24
Undervoltage Lockout Threshold Oscillator Frequency vs Temperature vs Input Voltage Shutdown Current vs Temperature
4.2 356 22 FREQ = GND VIN = 12V 4.1 354 20 18 4.0 352 RISING 16 3.9 350 VOLTAGE (V) 14 CC FALLING TOR FREQUENCY (kHz) 3.8 348 INTV 12 SHUTDOWN CURRENT (µA) 3.7 OSCILLA 346 10 3.6 344 8 –75 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 45 50 55 60 65 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 38902 G25 38902 G26 38902 G27 Rev. A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts