Datasheet LT8570, LT8570-1 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Boost/SEPIC/Inverting DC/DC Converter with 65V Switch, Soft-Start and Synchronization |
| Pages / Page | 34 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise … |
| File Format / Size | PDF / 906 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise specified. Oscillator Frequency During. Soft-Start
Model Line for this Datasheet
- LT8570EDD#PBF LT8570EDD#PBF LT8570EDD#TRPBF LT8570EDD#TRPBF LT8570EDD-1#PBF LT8570EDD-1#TRPBF LT8570EMS8E#PBF LT8570EMS8E#PBF LT8570EMS8E#TRPBF LT8570EMS8E#TRPBF LT8570EMS8E-1#PBF LT8570EMS8E-1#TRPBF LT8570HDD#PBF LT8570HDD-1#PBF LT8570HMS8E#PBF LT8570HMS8E-1#PBF LT8570IDD#PBF LT8570IDD#PBF LT8570IDD#TRPBF LT8570IDD#TRPBF LT8570IDD-1#PBF LT8570IDD-1#TRPBF LT8570IMS8E#PBF LT8570IMS8E#PBF LT8570IMS8E#TRPBF LT8570IMS8E#TRPBF LT8570IMS8E-1#PBF LT8570IMS8E-1#TRPBF
Text Version of Document
LT8570/LT8570-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise specified Oscillator Frequency During Soft-Start Internal UVLO SHDN Pin Current
) 1 2.7 30 NOM 125°C 25°C 2.6 25 –40°C 2.5 20 1/2 2.4 15 VOLTAGE (V) 1/3 PIN CURRENT (µA) V IN 2.3 10 1/4 SHDN 1/5 1/6 2.2 5 INVERTING NONINVERTING CONFIGURATIONS CONFIGURATIONS 0 NORMALIZED OSCILLATOR FREQUENCY (F/F 2.1 0 0 0.2 0.4 0.6 0.8 1 1.2 –50 –25 0 25 50 75 100 125 150 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 FBX VOLTAGE (V) TEMPERATURE (°C) SHDN VOLTAGE (V) 8570 G08 8570 G09 8570 G10
SHDN Pin Current Active/Lockout Threshold Minimum On-Time vs Temperature
400 1.40 280 125°C 350 25°C 1.38 240 –40°C 1.36 300 RECOMMENDED MINIMUM ON-TIME 1.34 200 250 1.32 SHDN RISING 160 200 1.30 VOLTAGE (V) 120 PIN CURRENT (µA) 150 1.28 SHDN 1.26 SHDN FALLING SHDN 100 MINIMUM ON TIME (ns) 80 MEASURED MINIMUM ON-TIME 1.24 50 40 1.22 0 1.20 0 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 SHDN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 8570 G11 8570 G12 8570 G13 85701fa For more information www.linear.com/LT8570 5 Document Outline 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 TA = 25°C, unless otherwise specified Oscillator Frequency During Soft-Start Internal UVLO SHDN Pin Current
) 1 2.7 30 NOM 125°C 25°C 2.6 25 –40°C 2.5 20 1/2 2.4 15 VOLTAGE (V) 1/3 PIN CURRENT (µA) V IN 2.3 10 1/4 SHDN 1/5 1/6 2.2 5 INVERTING NONINVERTING CONFIGURATIONS CONFIGURATIONS 0 NORMALIZED OSCILLATOR FREQUENCY (F/F 2.1 0 0 0.2 0.4 0.6 0.8 1 1.2 –50 –25 0 25 50 75 100 125 150 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 FBX VOLTAGE (V) TEMPERATURE (°C) SHDN VOLTAGE (V) 8570 G08 8570 G09 8570 G10
SHDN Pin Current Active/Lockout Threshold Minimum On-Time vs Temperature
400 1.40 280 125°C 350 25°C 1.38 240 –40°C 1.36 300 RECOMMENDED MINIMUM ON-TIME 1.34 200 250 1.32 SHDN RISING 160 200 1.30 VOLTAGE (V) 120 PIN CURRENT (µA) 150 1.28 SHDN 1.26 SHDN FALLING SHDN 100 MINIMUM ON TIME (ns) 80 MEASURED MINIMUM ON-TIME 1.24 50 40 1.22 0 1.20 0 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 SHDN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 8570 G11 8570 G12 8570 G13 85701fa For more information www.linear.com/LT8570 5 Document Outline 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
