Datasheet LT3741, LT3741-1 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | High Power, Constant Current, Constant Voltage, Step-Down Controller |
| Pages / Page | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Regulated Current vs VFB. … |
| File Format / Size | PDF / 639 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Regulated Current vs VFB. Overvoltage Threshold. Overvoltage Timeout
Model Line for this Datasheet
- LT3741EFE#PBF LT3741EFE#PBF LT3741EFE#TRPBF LT3741EFE#TRPBF LT3741EFE-1#PBF LT3741EFE-1#TRPBF LT3741EUF#PBF LT3741EUF#PBF LT3741EUF#TRPBF LT3741EUF#TRPBF LT3741EUF-1#PBF LT3741EUF-1#TRPBF LT3741IFE#PBF LT3741IFE#PBF LT3741IFE#TRPBF LT3741IFE#TRPBF LT3741IFE-1#PBF LT3741IFE-1#TRPBF LT3741IUF#PBF LT3741IUF#PBF LT3741IUF#TRPBF LT3741IUF#TRPBF LT3741IUF-1#PBF LT3741IUF-1#TRPBF
Text Version of Document
LT3741/LT3741-1
TYPICAL PERFORMANCE CHARACTERISTICS Regulated Current vs VFB Overvoltage Threshold Overvoltage Timeout
150 1.75 19 100 1.65 17 50 1.55 15 0 LT3741-1 TAGE THRESHOLD (V) 1.45 TAGE TIMEOUT (µs) 13 –50 VOL VOL CONTROL CURRENT (%) OVER –100 OVER 1.35 11 LT3741 –150 1.25 9 1.10 1.15 1.20 1.25 1.30 1.35 –50 –25 0 25 50 75 100 125 –50 –15 20 55 90 125 VFB (V) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G14 3741 G15 3741 G16
Regulated Sense Voltage Common Mode Lockout HG Driver RDS(ON)
60 2.5 5 MEASURED VIN – VOUT 50 2.0 V 4 IN = 6V – (mV) 40 1.5 VIN = 36V 3 (Ω) PULL-UP SENSE 30 + – V 1.0 R DS(ON) 2 20 CM LOCKOUT (V) PULL-DOWN V SENSE 0.5 1 10 0 0 0 0 0.5 1.0 1.5 2.0 –50 –15 20 55 90 125 –50 –15 20 55 90 125 VCTRL (V) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G17 3741 G18 3741 G20
LG Driver RDS(ON) Minimum Off-Time Non-Overlap Time
5 300 150 4 240 120 HG HG TO LG 3 180 90 (Ω) PULL-UP LG TO HG R DS(ON) 2 120 60 PULL-DOWN MINIMUM OFF-TIME (ns) LG NON-OVERLAP TIME (ns) 1 60 30 0 0 0 –50 –15 20 55 90 125 –50 –15 20 55 90 125 –50 –15 20 55 90 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G21 3741 G25 3741 G23 37411fg 6 For more information www.linear.com/LT3741 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 Typical Application Related Parts Features Applications Typical Application Description 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 Regulated Current vs VFB Overvoltage Threshold Overvoltage Timeout
150 1.75 19 100 1.65 17 50 1.55 15 0 LT3741-1 TAGE THRESHOLD (V) 1.45 TAGE TIMEOUT (µs) 13 –50 VOL VOL CONTROL CURRENT (%) OVER –100 OVER 1.35 11 LT3741 –150 1.25 9 1.10 1.15 1.20 1.25 1.30 1.35 –50 –25 0 25 50 75 100 125 –50 –15 20 55 90 125 VFB (V) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G14 3741 G15 3741 G16
Regulated Sense Voltage Common Mode Lockout HG Driver RDS(ON)
60 2.5 5 MEASURED VIN – VOUT 50 2.0 V 4 IN = 6V – (mV) 40 1.5 VIN = 36V 3 (Ω) PULL-UP SENSE 30 + – V 1.0 R DS(ON) 2 20 CM LOCKOUT (V) PULL-DOWN V SENSE 0.5 1 10 0 0 0 0 0.5 1.0 1.5 2.0 –50 –15 20 55 90 125 –50 –15 20 55 90 125 VCTRL (V) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G17 3741 G18 3741 G20
LG Driver RDS(ON) Minimum Off-Time Non-Overlap Time
5 300 150 4 240 120 HG HG TO LG 3 180 90 (Ω) PULL-UP LG TO HG R DS(ON) 2 120 60 PULL-DOWN MINIMUM OFF-TIME (ns) LG NON-OVERLAP TIME (ns) 1 60 30 0 0 0 –50 –15 20 55 90 125 –50 –15 20 55 90 125 –50 –15 20 55 90 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3741 G21 3741 G25 3741 G23 37411fg 6 For more information www.linear.com/LT3741 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 Typical Application Related Parts Features Applications Typical Application Description 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
