Datasheet LT3798 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Isolated No Opto-Coupler Flyback Controller with Active PFC |
| Pages / Page | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 423 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC vs Temperature. INTVCC vs VIN
Model Line for this Datasheet
Text Version of Document
LT3798
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC vs Temperature INTVCC vs VIN VIN Shunt Voltage vs Temperature
10.5 10.2 42 NO LOAD ISHUNT = 1mA 10mA LOAD 25mA LOAD 10 41.5 10.25 9.8 41 (V) (V) CC 10 CC 9.6 40.5 INTV INTV 9.4 SHUNT VOLTAGE (V) 40 9.75 V IN 9.2 39.5 9.5 9 39 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3798 G08 3798 G09 3798 G10
Maximum Shunt Current Leakage Inductance Blanking Time vs Temperature vs SENSE Current Limit Threshold VOUT vs Temperature
10 2 25 PAGE 17 SCHEMATIC: 1.8 UNIVERSAL 9 1.6 24.5 1.4 8 1.2 (V) VAC = 120V 1 24 7 0.8 V OUT VAC = 220V SHUNT CURRENT (mA) 0.6 23.5 6 0.4 0.2 LEAKAGE INDUCTANCE BLANKING TIME (µs) 5 0 23 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 120 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) SENSE CURRENT LIMIT THRESHOLD (mV) TEMPERATURE (°C) 3798 G11 3798 G12 3798 G012a
Output Voltage Output Current vs Input Voltage vs Input Voltage
24.6 1.10 PAGE 17 SCHEMATIC: PAGE 17 SCHEMATIC: UNIVERSAL UNIVERSAL 24.4 1.05 VOUT = 22V 24.2 (V) 1.00 V OUT 24 OUTPUT CURRENT (A) 0.95 23.8 23.6 0.90 90 110 130 150 170 190 210 230 250 270 90 110 130 150 170 190 210 230 250 270 VIN (VAC) VIN (VAC) 3798 G13 3798 G14 3798fa 5 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC vs Temperature INTVCC vs VIN VIN Shunt Voltage vs Temperature
10.5 10.2 42 NO LOAD ISHUNT = 1mA 10mA LOAD 25mA LOAD 10 41.5 10.25 9.8 41 (V) (V) CC 10 CC 9.6 40.5 INTV INTV 9.4 SHUNT VOLTAGE (V) 40 9.75 V IN 9.2 39.5 9.5 9 39 –50 –25 0 25 50 75 100 125 150 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3798 G08 3798 G09 3798 G10
Maximum Shunt Current Leakage Inductance Blanking Time vs Temperature vs SENSE Current Limit Threshold VOUT vs Temperature
10 2 25 PAGE 17 SCHEMATIC: 1.8 UNIVERSAL 9 1.6 24.5 1.4 8 1.2 (V) VAC = 120V 1 24 7 0.8 V OUT VAC = 220V SHUNT CURRENT (mA) 0.6 23.5 6 0.4 0.2 LEAKAGE INDUCTANCE BLANKING TIME (µs) 5 0 23 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 120 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) SENSE CURRENT LIMIT THRESHOLD (mV) TEMPERATURE (°C) 3798 G11 3798 G12 3798 G012a
Output Voltage Output Current vs Input Voltage vs Input Voltage
24.6 1.10 PAGE 17 SCHEMATIC: PAGE 17 SCHEMATIC: UNIVERSAL UNIVERSAL 24.4 1.05 VOUT = 22V 24.2 (V) 1.00 V OUT 24 OUTPUT CURRENT (A) 0.95 23.8 23.6 0.90 90 110 130 150 170 190 210 230 250 270 90 110 130 150 170 190 210 230 250 270 VIN (VAC) VIN (VAC) 3798 G13 3798 G14 3798fa 5 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
