Datasheet LTC3805-5 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Adjustable Frequency Current Mode Flyback/Boost/SEPIC DC/DC Controller |
| Pages / Page | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Reference Voltage. vs Temperature. … |
| File Format / Size | PDF / 265 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Reference Voltage. vs Temperature. vs Supply Voltage. Oscillator Frequency vs RFS
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LTC3805-5
TYPICAL PERFORMANCE CHARACTERISTICS Reference Voltage Reference Voltage vs Temperature vs Supply Voltage Oscillator Frequency vs RFS
812 0.800300 800 700 808 0.800200 600 804 0.800100 500 (V) TAGE (mV) 800 0.800000 (kHz) 400 V FB VOL f OSC 300 V FB 796 0.799900 200 792 0.799800 100 788 0.799700 0 –75 –50 –25 0 25 50 75 100 125 150 4 5 6 7 8 9 10 0 100 200 300 400 TEMPERATURE (°C) VCC (V) RFS (kΩ) 38055 G01 38055 G02 38055 G03
Oscillator Frequency Oscillator Frequency RUN Undervoltage Lockout vs Supply Voltage vs Temperature Thresholds vs Temperature
203 202 1.205 202 1.200 VRUN(ON) 201 201 1.195 RFS = 124kΩ 200 RFS = 124kΩ 1.190 (kHz) 200 TAGE (V) 199 f OSC 1.185 TOR FREQUENCY (kHz) RUN VOL 198 V 199 1.180 RUN(OFF) OSCILLA 197 1.175 196 198 1.170 4 5 6 7 8 9 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 VCC (V) TEMPERATURE (°C) TEMPERATURE (°C) 38055 G04 38055 G05 38055 G06
RUN Hysteresis Current VCC Undervoltage Lockout vs Temperature Thresholds vs Temperature
5.20 5.0 5.10 VTURN(ON) 4.5 5.00 VTURN(OFF) TAGE LOCKOUT (V) 4.0 I RUN(HYST) 4.90 VOL 3.5 4.80 UNDER V CC 4.70 3.0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 38055 G07 38055 G08 38055fe 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Reference Voltage Reference Voltage vs Temperature vs Supply Voltage Oscillator Frequency vs RFS
812 0.800300 800 700 808 0.800200 600 804 0.800100 500 (V) TAGE (mV) 800 0.800000 (kHz) 400 V FB VOL f OSC 300 V FB 796 0.799900 200 792 0.799800 100 788 0.799700 0 –75 –50 –25 0 25 50 75 100 125 150 4 5 6 7 8 9 10 0 100 200 300 400 TEMPERATURE (°C) VCC (V) RFS (kΩ) 38055 G01 38055 G02 38055 G03
Oscillator Frequency Oscillator Frequency RUN Undervoltage Lockout vs Supply Voltage vs Temperature Thresholds vs Temperature
203 202 1.205 202 1.200 VRUN(ON) 201 201 1.195 RFS = 124kΩ 200 RFS = 124kΩ 1.190 (kHz) 200 TAGE (V) 199 f OSC 1.185 TOR FREQUENCY (kHz) RUN VOL 198 V 199 1.180 RUN(OFF) OSCILLA 197 1.175 196 198 1.170 4 5 6 7 8 9 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 VCC (V) TEMPERATURE (°C) TEMPERATURE (°C) 38055 G04 38055 G05 38055 G06
RUN Hysteresis Current VCC Undervoltage Lockout vs Temperature Thresholds vs Temperature
5.20 5.0 5.10 VTURN(ON) 4.5 5.00 VTURN(OFF) TAGE LOCKOUT (V) 4.0 I RUN(HYST) 4.90 VOL 3.5 4.80 UNDER V CC 4.70 3.0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 38055 G07 38055 G08 38055fe 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
