Datasheet LTC1698 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Isolated Secondary Synchronous Rectifier Controller |
| Seiten / Seite | 24 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. VAUX vs Temperature. VAUX vs Line … |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS. VAUX vs Temperature. VAUX vs Line Voltage. VAUX vs Load Current
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LTC1698
W U TYPICAL PERFOR A CE CHARACTERISTICS VAUX vs Temperature VAUX vs Line Voltage VAUX vs Load Current
3.465 3.465 3.465 VDD = 8V VDD = 8V VDD = 8V I I T 3.424 LOAD = 0mA 3.424 LOAD = 0mA 3.424 A = 25°C 3.383 3.383 3.383 3.341 3.341 3.341 (V) (V) (V) 3.300 3.300 3.300 AUX AUX AUX V V V 3.259 3.259 3.259 3.218 3.218 3.218 3.176 3.176 3.176 3.135 3.135 3.135 –50 –25 0 25 50 75 100 125 150 5 6 7 8 9 10 11 12 13 14 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) VDD (V) LOAD CURRENT (mA) 1698 G10 1698 G11 1698 G12
VAUX Short-Circuit Current VAUX Short-Circuit Current vs Temperature vs VDD Opto Driver Load Regulation
0 0 3.030 1.0 VDD = 8V TA = 25°C VDD = 8V 3.024 T 0.8 A = 25°C –10 –10 3.018 0.6 3.012 0.4 PERCENT (%) –20 –20 3.006 0.2 3.000 0 –30 –30 2.994 –0.2 2.988 –0.4 SHORT-CIRCUIT CURRENT (mA) SHORT-CIRCUIT CURRENT (mA) –40 –40 2.982 –0.6 AUX AUX V V OPTO DRIVER OUTPUT VOLTAGE (V) 2.976 –0.8 –50 –50 2.970 –1.0 –50 –25 0 25 50 75 100 125 150 5 6 7 8 9 10 11 12 13 14 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) VDD (V) LOAD CURRENT (mA) 1698 G13 1698 G14 1698 G15
Maximum OPTO Driver Output Maximum OPTO Driver Output Opto Driver Short-Circuit Current Voltage vs Load Current Voltage vs Temperature vs Temperature
8 8 –10 V V V DD = 10V DD = 10V DD = 8V V –15 OPTODRV = 1.233V 6 6 –20 VDD = 8V VDD = 8V –25 VDD = 7V VDD = 7V 4 4 –30 VDD = 6V VDD = 6V –35 VDD = 5V VDD = 5V 2 2 –40 T V –45 A = 25°C COMP = 0V VCOMP = 0V IOPTODRV = –10mA OPTO DRIVER SHORT-CIRCUIT CURRENT (mA) MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V) 0 MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V) 0 –50 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1698 G22 1698 G23 1698 G16 1698f 5
W U TYPICAL PERFOR A CE CHARACTERISTICS VAUX vs Temperature VAUX vs Line Voltage VAUX vs Load Current
3.465 3.465 3.465 VDD = 8V VDD = 8V VDD = 8V I I T 3.424 LOAD = 0mA 3.424 LOAD = 0mA 3.424 A = 25°C 3.383 3.383 3.383 3.341 3.341 3.341 (V) (V) (V) 3.300 3.300 3.300 AUX AUX AUX V V V 3.259 3.259 3.259 3.218 3.218 3.218 3.176 3.176 3.176 3.135 3.135 3.135 –50 –25 0 25 50 75 100 125 150 5 6 7 8 9 10 11 12 13 14 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) VDD (V) LOAD CURRENT (mA) 1698 G10 1698 G11 1698 G12
VAUX Short-Circuit Current VAUX Short-Circuit Current vs Temperature vs VDD Opto Driver Load Regulation
0 0 3.030 1.0 VDD = 8V TA = 25°C VDD = 8V 3.024 T 0.8 A = 25°C –10 –10 3.018 0.6 3.012 0.4 PERCENT (%) –20 –20 3.006 0.2 3.000 0 –30 –30 2.994 –0.2 2.988 –0.4 SHORT-CIRCUIT CURRENT (mA) SHORT-CIRCUIT CURRENT (mA) –40 –40 2.982 –0.6 AUX AUX V V OPTO DRIVER OUTPUT VOLTAGE (V) 2.976 –0.8 –50 –50 2.970 –1.0 –50 –25 0 25 50 75 100 125 150 5 6 7 8 9 10 11 12 13 14 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) VDD (V) LOAD CURRENT (mA) 1698 G13 1698 G14 1698 G15
Maximum OPTO Driver Output Maximum OPTO Driver Output Opto Driver Short-Circuit Current Voltage vs Load Current Voltage vs Temperature vs Temperature
8 8 –10 V V V DD = 10V DD = 10V DD = 8V V –15 OPTODRV = 1.233V 6 6 –20 VDD = 8V VDD = 8V –25 VDD = 7V VDD = 7V 4 4 –30 VDD = 6V VDD = 6V –35 VDD = 5V VDD = 5V 2 2 –40 T V –45 A = 25°C COMP = 0V VCOMP = 0V IOPTODRV = –10mA OPTO DRIVER SHORT-CIRCUIT CURRENT (mA) MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V) 0 MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V) 0 –50 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1698 G22 1698 G23 1698 G16 1698f 5