Datasheet LT3502, LT3502A (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 1.1MHz/2.2MHz, 500mA Step-Down Regulators in 2mm × 2mm DFN and MS10 |
| Pages / Page | 24 / 5 — typical perForMance characteristics (TA = 25°C unless otherwise noted). … |
| File Format / Size | PDF / 466 Kb |
| Document Language | English |
typical perForMance characteristics (TA = 25°C unless otherwise noted). UVLO. Switching Frequency. Soft-Start (SHDN)
Model Line for this Datasheet
- LT3502AEDC#PBF LT3502AEDC#TRMPBF LT3502AEDC#TRPBF LT3502AEMS#PBF LT3502AEMS#TRPBF LT3502AIDC#PBF LT3502AIDC#TRMPBF LT3502AIDC#TRPBF LT3502AIMS#PBF LT3502AIMS#TRPBF LT3502EDC#PBF LT3502EDC#TRMPBF LT3502EDC#TRPBF LT3502EMS#PBF LT3502EMS#TRPBF LT3502IDC#PBF LT3502IDC#TRMPBF LT3502IDC#TRPBF LT3502IMS#PBF LT3502IMS#TRPBF
Text Version of Document
LT3502/LT3502A
typical perForMance characteristics (TA = 25°C unless otherwise noted) UVLO Switching Frequency Soft-Start (SHDN)
3.5 2.5 0.9 LT3502A 0.8 3.0 2.0 0.7 2.5 0.6 0.5 2.0 1.5 (V) 0.4 V IN LT3502 1.5 1.0 0.3 1.0 FREQUENCY (MHz) 0.2 0.5 SWITCH CURRENT LIMIT (A) 0.1 0.5 0 0 0 –0.1 –50 0 50 100 150 –50 0 50 100 150 0 200 400 600 800 1000 1200 1400 1600 TEMPERATURE (°C) TEMPERATURE (°C) SHDN PIN VOLTAGE (mV) 3502 G10 3502 G11 3502 G12
SHDN Pin Current Switch Current Limit Switch Current Limit
300 1.0 1.2 0.9 250 0.8 1.0 SW PEAK CURRENT LIMIT LT3502 200 0.7 0.8 0.6 DA VALLEY CURRENT LIMIT LT3502A 150 0.5 0.6 PIN CURRENT (µA) 0.4 100 CURRENT LIMIT (A) 0.3 CURRENT LIMIT (A) 0.4 SHDN 0.2 50 0.2 0.1 0 0 0 0 5 10 15 20 25 30 35 40 45 –50 0 50 100 150 0 50 100 SHDN PIN VOLTAGE (V) TEMPERATURE (°C) DUTY CYCLE (%) 3502 G13 3502 G14 3502 G15
LT3502A Maximum VIN for Full LT3502A Maximum VIN for Full LT3502 Maximum VIN for Full Frequency (VOUT = 3.3V) Frequency (VOUT = 5V) Frequency (VOUT = 3.3V)
45 45 45 40 TA = 25°C 40 40 35 35 35 T 30 A = 85°C 30 30 TA = 25°C TA = 25°C 25 25 25 (V) (V) TA = 85°C (V) TA = 85°C V IN 20 V IN 20 V IN 20 15 15 15 10 10 10 5 5 5 0 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3502 G16 3502 G17 3502 G18 3502fd 5 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 Package Description Typical Application Related Parts
typical perForMance characteristics (TA = 25°C unless otherwise noted) UVLO Switching Frequency Soft-Start (SHDN)
3.5 2.5 0.9 LT3502A 0.8 3.0 2.0 0.7 2.5 0.6 0.5 2.0 1.5 (V) 0.4 V IN LT3502 1.5 1.0 0.3 1.0 FREQUENCY (MHz) 0.2 0.5 SWITCH CURRENT LIMIT (A) 0.1 0.5 0 0 0 –0.1 –50 0 50 100 150 –50 0 50 100 150 0 200 400 600 800 1000 1200 1400 1600 TEMPERATURE (°C) TEMPERATURE (°C) SHDN PIN VOLTAGE (mV) 3502 G10 3502 G11 3502 G12
SHDN Pin Current Switch Current Limit Switch Current Limit
300 1.0 1.2 0.9 250 0.8 1.0 SW PEAK CURRENT LIMIT LT3502 200 0.7 0.8 0.6 DA VALLEY CURRENT LIMIT LT3502A 150 0.5 0.6 PIN CURRENT (µA) 0.4 100 CURRENT LIMIT (A) 0.3 CURRENT LIMIT (A) 0.4 SHDN 0.2 50 0.2 0.1 0 0 0 0 5 10 15 20 25 30 35 40 45 –50 0 50 100 150 0 50 100 SHDN PIN VOLTAGE (V) TEMPERATURE (°C) DUTY CYCLE (%) 3502 G13 3502 G14 3502 G15
LT3502A Maximum VIN for Full LT3502A Maximum VIN for Full LT3502 Maximum VIN for Full Frequency (VOUT = 3.3V) Frequency (VOUT = 5V) Frequency (VOUT = 3.3V)
45 45 45 40 TA = 25°C 40 40 35 35 35 T 30 A = 85°C 30 30 TA = 25°C TA = 25°C 25 25 25 (V) (V) TA = 85°C (V) TA = 85°C V IN 20 V IN 20 V IN 20 15 15 15 10 10 10 5 5 5 0 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3502 G16 3502 G17 3502 G18 3502fd 5 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 Package Description Typical Application Related Parts
