Datasheet LTC3766 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | High Efficiency, Secondary-Side Synchronous Forward Controller |
| 页数 / 页 | 62 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. VCC Supply Current. VCC Regulator … |
| 文件格式/大小 | PDF / 2.0 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VCC Supply Current. VCC Regulator Output Voltage. Error Amplifier Transconductance
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LTC3766
TYPICAL PERFORMANCE CHARACTERISTICS VCC Supply Current VCC Regulator Output Voltage Error Amplifier Transconductance vs VCC Voltage vs Temperature vs Temperature
14 9.0 2.90 VIN REGULATOR USING 2N3904 13 8.5 HV MODE 2.85 12 8.0 11 7.5 2.80 10 VOLTAGE (V) LV MODE V CC 7.0 SUPPLY CURRENT (mA) 9 2.75 V CC TRANSCONDUCTANCE (mS) 8 6.5 7 6.0 2.70 5 6 7 8 9 10 11 12 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 VCC INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3766 G01 3766 G02 3766 G03
Overcurrent Shutdown Threshold VAUX Drop-Out Resistance Average Current Sense Threshold vs Temperature vs Temperature vs Temperature
1.340 103 3.0 0.750 56.0 1.335 102 RS MODE THRESHOLD (mV) 2.5 0.745 55.5 RS MODE THRESHOLD (mV) CT MODE 1.330 101 2.0 0.740 RS MODE 55.0 1.325 100 1.5 0.735 54.5 RS MODE CT MODE 1.320 99 RESISTANCE (Ω) 1.0 0.730 54.0 CT MODE THRESHOLD (V) CT MODE THRESHOLD (V) 1.315 98 0.5 0.725 53.5 1.310 97 0 0.720 53.0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3766 G04 3766 G05 3766 G06
RUN Hysteresis Current RUN Threshold vs Temperature vs Temperature Oscillator Frequency vs RFS
1.224 3.10 600 RUN VOLTAGE RISING VRUN = 0.5V 1.222 3.05 500 1.220 3.00 400 1.218 2.95 300 RUN VOLTAGE (V) 1.216 RUN CURRENT (µA) 2.90 FREQUENCY (kHz) 200 1.214 2.85 100 1.212 2.80 0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) RFS (kΩ) 3766 G07 3766 G08 3766 G09 3766fc 6 For more information www.linear.com/LTC3766 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Typical Applications Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VCC Supply Current VCC Regulator Output Voltage Error Amplifier Transconductance vs VCC Voltage vs Temperature vs Temperature
14 9.0 2.90 VIN REGULATOR USING 2N3904 13 8.5 HV MODE 2.85 12 8.0 11 7.5 2.80 10 VOLTAGE (V) LV MODE V CC 7.0 SUPPLY CURRENT (mA) 9 2.75 V CC TRANSCONDUCTANCE (mS) 8 6.5 7 6.0 2.70 5 6 7 8 9 10 11 12 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 VCC INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3766 G01 3766 G02 3766 G03
Overcurrent Shutdown Threshold VAUX Drop-Out Resistance Average Current Sense Threshold vs Temperature vs Temperature vs Temperature
1.340 103 3.0 0.750 56.0 1.335 102 RS MODE THRESHOLD (mV) 2.5 0.745 55.5 RS MODE THRESHOLD (mV) CT MODE 1.330 101 2.0 0.740 RS MODE 55.0 1.325 100 1.5 0.735 54.5 RS MODE CT MODE 1.320 99 RESISTANCE (Ω) 1.0 0.730 54.0 CT MODE THRESHOLD (V) CT MODE THRESHOLD (V) 1.315 98 0.5 0.725 53.5 1.310 97 0 0.720 53.0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3766 G04 3766 G05 3766 G06
RUN Hysteresis Current RUN Threshold vs Temperature vs Temperature Oscillator Frequency vs RFS
1.224 3.10 600 RUN VOLTAGE RISING VRUN = 0.5V 1.222 3.05 500 1.220 3.00 400 1.218 2.95 300 RUN VOLTAGE (V) 1.216 RUN CURRENT (µA) 2.90 FREQUENCY (kHz) 200 1.214 2.85 100 1.212 2.80 0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) RFS (kΩ) 3766 G07 3766 G08 3766 G09 3766fc 6 For more information www.linear.com/LTC3766 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Typical Applications Typical Applications Package Description Revision History Typical Application Related Parts