Datasheet LTC7862 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 140V High Efficiency Switching Surge Stopper |
| Seiten / Seite | 32 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 1.7 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Regulated Feedback Voltage. DRVCC and EXTVCC
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LTC7862
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Regulated Feedback Voltage DRVCC and EXTVCC Soft Start-Up vs Temperature vs Load Current
808 10 806 EXTVCC = 0V, DRVSET = INTVCC RUN 9 10V/DIV 804 EXTVCC = 13V, DRVSET = INTVCC TAGE (mV) V 8 OUT 802 10V/DIV TAGE (V) 800 7 WARNB VOL VIN LDO 5V/DIV 798 CC EXTVCC = 0V, DRVSET=0V FIGURE 8 CIRCUIT 6 TED FEEDBACK VOL V DRV IN = VOUT = 28V 796 EXTVCC = 8.5V, DRVSET = 0V 2ms/DIV 7862 G01 5 REGULA 794 EXTVCC = 5V, DRVSET = 0V 792 4 –75 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 TEMPERATURE (°C) LOAD CURRENT (mA) 7801 G02 7862 G03
EXTVCC Switchover and DRVCC EXTVCC Switchover and DRVCC SENSE– Pin Input Current Voltages vs Temperature Voltages vs Temperature vs VSENSE Voltage
6.5 10.0 1000 EXTVCC = 8.5V 900 ICC = 0mA 9.5 6.0 EXTVCC = 13V 800 ICC = 0mA EXTVCC = 8.5V 700 I 9.0 CC = 50mA 5.5 600 TAGE (V) TAGE (V) EXTVCC = 13V 8.5 I 500 VOL CC = 50mA VOL – CURRENT (µA) CC 5.0 CC 400 EXTVCC RISING DRV 8.0 DRV EXTVCC RISING 300 SENSE 4.5 200 EXTV 7.5 CC FALLING EXTVCC FALLING 100 DRVUV = 0V DRVUV = INTV 4.0 CC 7.0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 40 45 50 55 60 65 TEMPERATURE (°C) TEMPERATURE (°C) VSENSE COMMON MODE VOLTAGE (V) 7862 G04 7862 G05 7862 G06
SENSE– Pin Input Bias Current Undervoltage Lockout Threshold Current Limit vs Feedback vs Temperature vs Temperature Voltage
1000 8.0 100 900 RISING 7.5 90 800 VOUT ≥ INTVCC + 0.5V DRVUV = INTV 7.0 CC 80 TAGE (mV) 700 6.5 FALLING 70 600 6.0 60 TAGE (V) 500 5.5 50 VOL – CURRENT (µA) 400 CC 5.0 40 300 DRV SENSE 4.5 30 RISING DRVUV = 0V 200 4.0 20 100 3.5 FALLING 10 VOUT ≤ INTVCC – 0.5V MAXIMUM CURRENT SENSE VOL 0 3.0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 TEMPERATURE (°C) TEMPERATURE (°C) FEEDBACK VOLTAGE (mV) 7862 G07 7862 G08 7862 G09 Rev 0 6 For more information www.analog.com Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS TIMING DIAGRAM FUNCTIONAL DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION TYPICAL APPLICATION RELATED PARTS
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Regulated Feedback Voltage DRVCC and EXTVCC Soft Start-Up vs Temperature vs Load Current
808 10 806 EXTVCC = 0V, DRVSET = INTVCC RUN 9 10V/DIV 804 EXTVCC = 13V, DRVSET = INTVCC TAGE (mV) V 8 OUT 802 10V/DIV TAGE (V) 800 7 WARNB VOL VIN LDO 5V/DIV 798 CC EXTVCC = 0V, DRVSET=0V FIGURE 8 CIRCUIT 6 TED FEEDBACK VOL V DRV IN = VOUT = 28V 796 EXTVCC = 8.5V, DRVSET = 0V 2ms/DIV 7862 G01 5 REGULA 794 EXTVCC = 5V, DRVSET = 0V 792 4 –75 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 TEMPERATURE (°C) LOAD CURRENT (mA) 7801 G02 7862 G03
EXTVCC Switchover and DRVCC EXTVCC Switchover and DRVCC SENSE– Pin Input Current Voltages vs Temperature Voltages vs Temperature vs VSENSE Voltage
6.5 10.0 1000 EXTVCC = 8.5V 900 ICC = 0mA 9.5 6.0 EXTVCC = 13V 800 ICC = 0mA EXTVCC = 8.5V 700 I 9.0 CC = 50mA 5.5 600 TAGE (V) TAGE (V) EXTVCC = 13V 8.5 I 500 VOL CC = 50mA VOL – CURRENT (µA) CC 5.0 CC 400 EXTVCC RISING DRV 8.0 DRV EXTVCC RISING 300 SENSE 4.5 200 EXTV 7.5 CC FALLING EXTVCC FALLING 100 DRVUV = 0V DRVUV = INTV 4.0 CC 7.0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 40 45 50 55 60 65 TEMPERATURE (°C) TEMPERATURE (°C) VSENSE COMMON MODE VOLTAGE (V) 7862 G04 7862 G05 7862 G06
SENSE– Pin Input Bias Current Undervoltage Lockout Threshold Current Limit vs Feedback vs Temperature vs Temperature Voltage
1000 8.0 100 900 RISING 7.5 90 800 VOUT ≥ INTVCC + 0.5V DRVUV = INTV 7.0 CC 80 TAGE (mV) 700 6.5 FALLING 70 600 6.0 60 TAGE (V) 500 5.5 50 VOL – CURRENT (µA) 400 CC 5.0 40 300 DRV SENSE 4.5 30 RISING DRVUV = 0V 200 4.0 20 100 3.5 FALLING 10 VOUT ≤ INTVCC – 0.5V MAXIMUM CURRENT SENSE VOL 0 3.0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 TEMPERATURE (°C) TEMPERATURE (°C) FEEDBACK VOLTAGE (mV) 7862 G07 7862 G08 7862 G09 Rev 0 6 For more information www.analog.com Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS TIMING DIAGRAM FUNCTIONAL DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION TYPICAL APPLICATION RELATED PARTS