Datasheet LT3758, LT3758A (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller |
| Pages / Page | 38 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Revision | F |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency. SENSE Current Limit Threshold
Model Line for this Datasheet
- LT3758AEDD#PBF LT3758AEDD#TRPBF LT3758AEMSE#PBF LT3758AEMSE#TRPBF LT3758AHMSE#PBF LT3758AHMSE#TRPBF LT3758AIDD#PBF LT3758AIDD#TRPBF LT3758AIMSE#PBF LT3758AIMSE#TRPBF LT3758AMPMSE#PBF LT3758AMPMSE#TRPBF LT3758EDD#PBF LT3758EDD#TRPBF LT3758EMSE#PBF LT3758EMSE#TRPBF LT3758HMSE#PBF LT3758HMSE#TRPBF LT3758IDD#PBF LT3758IDD#TRPBF LT3758IMSE#PBF LT3758IMSE#TRPBF LT3758MPMSE#PBF LT3758MPMSE#TRPBF
Text Version of Document
LT3758/LT3758A
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency SENSE Current Limit Threshold vs Temperature vs Temperature
330 120 RT = 41.2K 320 115 310 300 110 290 SENSE THRESHOLD (mV) 105 SWITCHING FREQUENCY (kHz) 280 270 100 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3758 G07 3758 G08
SENSE Current Limit Threshold SHDN/UVLO Threshold vs Duty Cycle vs Temperature
115 1.28 1.26 110 1.24 SHDN/UVLO RISING 105 1.22 /UVLO VOLTAGE (V) SHDN/UVLO FALLING SENSE THRESHOLD (mV) 100 SHDN 1.20 95 1.18 0 20 40 60 80 100 –75 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) 3758 G10 3758 G09
SHDN/UVLO Hysteresis Current SHDN/UVLO Current vs Voltage vs Temperature
50 2.4 40 2.2 30 (µA) 2.0 /UVLO 20 /UVLO CURRENT (µA) I SHDN SHDN 1.8 10 0 1.6 0 20 40 60 80 100 –75 –50 –25 0 25 50 75 100 125 150 SHDN/UVLO VOLTAGE (V) TEMPERATURE (°C) 3758 G12 3758 G11 Rev F 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts Typical Applications Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency SENSE Current Limit Threshold vs Temperature vs Temperature
330 120 RT = 41.2K 320 115 310 300 110 290 SENSE THRESHOLD (mV) 105 SWITCHING FREQUENCY (kHz) 280 270 100 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3758 G07 3758 G08
SENSE Current Limit Threshold SHDN/UVLO Threshold vs Duty Cycle vs Temperature
115 1.28 1.26 110 1.24 SHDN/UVLO RISING 105 1.22 /UVLO VOLTAGE (V) SHDN/UVLO FALLING SENSE THRESHOLD (mV) 100 SHDN 1.20 95 1.18 0 20 40 60 80 100 –75 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) 3758 G10 3758 G09
SHDN/UVLO Hysteresis Current SHDN/UVLO Current vs Voltage vs Temperature
50 2.4 40 2.2 30 (µA) 2.0 /UVLO 20 /UVLO CURRENT (µA) I SHDN SHDN 1.8 10 0 1.6 0 20 40 60 80 100 –75 –50 –25 0 25 50 75 100 125 150 SHDN/UVLO VOLTAGE (V) TEMPERATURE (°C) 3758 G12 3758 G11 Rev F 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts Typical Applications Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
