Datasheet LTC3631 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | High Efficiency, High Voltage 100mA Synchronous Step-Down Converter |
| Pages / Page | 22 / 4 — Typical perForMance characTerisTics. Efficiency vs Load Current,. VOUT = … |
| File Format / Size | PDF / 538 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Efficiency vs Load Current,. VOUT = 5V. VOUT = 3.3V. VOUT = 2.5V
Model Line for this Datasheet
- LTC3631EDD#PBF LTC3631EDD#TRPBF LTC3631EDD-3.3#PBF LTC3631EDD-3.3#TRPBF LTC3631EDD-5#PBF LTC3631EDD-5#TRPBF LTC3631EMS8E#PBF LTC3631EMS8E#TRPBF LTC3631EMS8E-3.3#PBF LTC3631EMS8E-3.3#TRPBF LTC3631EMS8E-5#PBF LTC3631EMS8E-5#TRPBF LTC3631IDD#PBF LTC3631IDD#TRPBF LTC3631IDD-3.3#PBF LTC3631IDD-3.3#TRPBF LTC3631IDD-5#PBF LTC3631IDD-5#TRPBF LTC3631IMS8E#PBF LTC3631IMS8E#TRPBF LTC3631IMS8E-3.3#PBF LTC3631IMS8E-3.3#TRPBF LTC3631IMS8E-5#PBF LTC3631IMS8E-5#TRPBF
Text Version of Document
LTC3631
Typical perForMance characTerisTics Efficiency vs Load Current, Efficiency vs Load Current, Efficiency vs Load Current, VOUT = 5V VOUT = 3.3V VOUT = 2.5V
95 95 V 90 OUT = 5V VOUT = 3.3V VOUT = 2.5V FIGURE 10 CIRCUIT VIN = 12V FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT VIN = 12V 90 90 85 VIN = 12V 85 85 80 VIN = 36V 75 VIN = 36V 80 80 V V V IN = 24V IN = 36V IN = 24V 70 75 75 EFFICIENCY (%) EFFICIENCY (%) VIN = 24V EFFICIENCY (%) 65 70 70 60 65 65 55 60 60 50 0.1 1 10 100 0.1 1 10 100 0.1 1 10 100 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 3631 G01 3631 G02 3631 G03
Efficiency vs Input Voltage Line Regulation Load Regulation
95 0.20 5.05 VOUT = 5V ILOAD = 100mA VIN = 10 FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT 5.04 VOUT = 5V 90 FIGURE 10 CIRCUIT I 5.03 LOAD = 100mA 0.10 85 5.02 (%) ILOAD = 10mA TAGE (V) 5.01 80 OUT/V 0 5.00 I OUT EFFICIENCY (%) LOAD = 1mA 75 ∆V 4.99 –0.10 OUTPUT VOL 4.98 70 4.97 65 –0.20 4.96 10 15 20 25 30 35 40 45 5 10 15 20 25 30 35 40 45 0 10 20 30 40 50 60 70 80 90 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) LOAD CURRENT (mA) 3631 G04 3631 G05 3631 G06
Feedback Comparator Trip Feedback Comparator Hysteresis Peak Current Trip Threshold Voltage vs Temperature vs Temperature vs Temperature and ISET
0.801 5.6 250 VIN = 10V VIN = 10V VIN = 10V 225 5.4 ISET = OPEN 200 0.800 175 5.2 150 5.0 125 RSET = 500k 100 0.799 4.8 75 ISET = GND 50 4.6 PEAK CURRENT TRIP THRESHOLD (mA) 25 FEEDBACK COMPARATOR TRIP VOLTAGE (V) FEEDBACK COMPARATOR HYSTERESIS (mV) 0.798 4.4 0 –40 –10 20 50 80 110 –40 –10 20 50 80 110 –40 –10 20 50 80 110 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) LTC1144 • TPC06 3631 G08 3631 G09 3631fe 4 For more information www.linear.com/LTC3631 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts
Typical perForMance characTerisTics Efficiency vs Load Current, Efficiency vs Load Current, Efficiency vs Load Current, VOUT = 5V VOUT = 3.3V VOUT = 2.5V
95 95 V 90 OUT = 5V VOUT = 3.3V VOUT = 2.5V FIGURE 10 CIRCUIT VIN = 12V FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT VIN = 12V 90 90 85 VIN = 12V 85 85 80 VIN = 36V 75 VIN = 36V 80 80 V V V IN = 24V IN = 36V IN = 24V 70 75 75 EFFICIENCY (%) EFFICIENCY (%) VIN = 24V EFFICIENCY (%) 65 70 70 60 65 65 55 60 60 50 0.1 1 10 100 0.1 1 10 100 0.1 1 10 100 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 3631 G01 3631 G02 3631 G03
Efficiency vs Input Voltage Line Regulation Load Regulation
95 0.20 5.05 VOUT = 5V ILOAD = 100mA VIN = 10 FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT 5.04 VOUT = 5V 90 FIGURE 10 CIRCUIT I 5.03 LOAD = 100mA 0.10 85 5.02 (%) ILOAD = 10mA TAGE (V) 5.01 80 OUT/V 0 5.00 I OUT EFFICIENCY (%) LOAD = 1mA 75 ∆V 4.99 –0.10 OUTPUT VOL 4.98 70 4.97 65 –0.20 4.96 10 15 20 25 30 35 40 45 5 10 15 20 25 30 35 40 45 0 10 20 30 40 50 60 70 80 90 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) LOAD CURRENT (mA) 3631 G04 3631 G05 3631 G06
Feedback Comparator Trip Feedback Comparator Hysteresis Peak Current Trip Threshold Voltage vs Temperature vs Temperature vs Temperature and ISET
0.801 5.6 250 VIN = 10V VIN = 10V VIN = 10V 225 5.4 ISET = OPEN 200 0.800 175 5.2 150 5.0 125 RSET = 500k 100 0.799 4.8 75 ISET = GND 50 4.6 PEAK CURRENT TRIP THRESHOLD (mA) 25 FEEDBACK COMPARATOR TRIP VOLTAGE (V) FEEDBACK COMPARATOR HYSTERESIS (mV) 0.798 4.4 0 –40 –10 20 50 80 110 –40 –10 20 50 80 110 –40 –10 20 50 80 110 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) LTC1144 • TPC06 3631 G08 3631 G09 3631fe 4 For more information www.linear.com/LTC3631 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts
