Datasheet LTC3607 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Dual 600mA 15V Monolithic Synchronous Step-Down DC/DC Regulator |
| Pages / Page | 20 / 5 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 374 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Oscillator Frequency vs. Reference Voltage vs
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LTC3607
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Oscillator Frequency vs Reference Voltage vs Temperature Temperature RDS(ON) vs Input Voltage
2 0.605 1.0 VIN = 12V 0.9 0 TOP SWITCH 0.603 0.8 –2 0.7 TION (%) 0.6 –4 0.601 (Ω) ARIA (V) 0.5 –6 V FB 0.599 R DS(ON) 0.4 BOTTOM SWITCH –8 0.3 FREQUENCY V 0.597 0.2 –10 0.1 –12 0.595 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 4 6 8 10 12 14 16 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 3607 G10 3607 G11 3607 G12
RDS(ON) vs Temperature Switch Leakage vs Temperature Line Regulation
1.0 7000 0.4 VIN = 12V TOP SWITCH 0.9 BOTTOM SWITCH 0.3 6000 0.8 VIN = 12V TOP SWITCH 0.2 5000 0.7 0.1 0.6 4000 (Ω) 0.5 ERROR (%) 0 OUT 3000 R DS(ON) 0.4 /V –0.1 BOTTOM SWITCH OUT 0.3 LEAKAGE CURRENT (nA) 2000 ∆V –0.2 0.2 1000 –0.3 0.1 0 0 –0.4 –50 –25 0 50 75 100 125 –50 –25 0 25 50 75 100 125 150 4 6 8 10 12 14 16 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 3607 G13 3607 G14 3607 G15
Peak Current Limit vs Temperature Load Regulation
1200 3.5 VIN = 12V PULSE SKIP 3.0 Burst Mode OPERATION 1150 2.5 VOUT = 3.3V 1100 (%) 2.0 1050 OUT/V 1.5 1.0 1000 ∆V OUT PEAK CURRENT LIMIT (mA) 0.5 950 0 900 –0.5 –50 –25 0 25 50 75 100 125 0 100 200 300 400 500 600 TEMPERATURE (°C) LOAD CURRENT (mA) 3607 G16 3607 G17 3607fb For more information www.linear.com/LTC3607 5 Document Outline Features Description Applications 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 Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Oscillator Frequency vs Reference Voltage vs Temperature Temperature RDS(ON) vs Input Voltage
2 0.605 1.0 VIN = 12V 0.9 0 TOP SWITCH 0.603 0.8 –2 0.7 TION (%) 0.6 –4 0.601 (Ω) ARIA (V) 0.5 –6 V FB 0.599 R DS(ON) 0.4 BOTTOM SWITCH –8 0.3 FREQUENCY V 0.597 0.2 –10 0.1 –12 0.595 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 4 6 8 10 12 14 16 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 3607 G10 3607 G11 3607 G12
RDS(ON) vs Temperature Switch Leakage vs Temperature Line Regulation
1.0 7000 0.4 VIN = 12V TOP SWITCH 0.9 BOTTOM SWITCH 0.3 6000 0.8 VIN = 12V TOP SWITCH 0.2 5000 0.7 0.1 0.6 4000 (Ω) 0.5 ERROR (%) 0 OUT 3000 R DS(ON) 0.4 /V –0.1 BOTTOM SWITCH OUT 0.3 LEAKAGE CURRENT (nA) 2000 ∆V –0.2 0.2 1000 –0.3 0.1 0 0 –0.4 –50 –25 0 50 75 100 125 –50 –25 0 25 50 75 100 125 150 4 6 8 10 12 14 16 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 3607 G13 3607 G14 3607 G15
Peak Current Limit vs Temperature Load Regulation
1200 3.5 VIN = 12V PULSE SKIP 3.0 Burst Mode OPERATION 1150 2.5 VOUT = 3.3V 1100 (%) 2.0 1050 OUT/V 1.5 1.0 1000 ∆V OUT PEAK CURRENT LIMIT (mA) 0.5 950 0 900 –0.5 –50 –25 0 25 50 75 100 125 0 100 200 300 400 500 600 TEMPERATURE (°C) LOAD CURRENT (mA) 3607 G16 3607 G17 3607fb For more information www.linear.com/LTC3607 5 Document Outline Features Description Applications 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 Revision History Typical Application Related Parts
