Datasheet LTC3126 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath |
| Pages / Page | 30 / 5 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 2.1 Mb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, VOUT = 5V,. Efficiency, VOUT = 3.3V,
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LTC3126
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 700KHz fSW = 700KHz fSW = 700KHz
100 100 100 VIN = 12V VIN = 12V VIN = 12V VIN = 24V VIN = 24V VIN = 24V 95 95 90 90 90 80 85 85 70 EFFICIENCY (%) 80 EFFICIENCY (%) 80 EFFICIENCY (%) 60 75 75 L = 10µH L = 10µH L = 4.7µH PWM/SYNC = LOW PWM/SYNC = LOW PWM/SYNC = LOW 70 70 50 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G01 3126 G02 3126 G03
Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 700KHz fSW = 700KHz fSW = 700KHz
100 100 90 90 90 80 80 80 70 Burst Mode 70 70 Burst Mode OPERATION 60 60 OPERATION 60 Burst Mode PWM 50 50 PWM 50 OPERATION MODE PWM MODE 40 MODE 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 L = 10µH L = 10µH L = 4.7µH 20 20 20 10 VIN = 12V 10 VIN = 12V 10 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 0 0 0 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G04 3126 G05 3126 G06
Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 2MHz fSW = 2MHz fSW = 2MHz
100 90 90 L = 2.2µH 90 80 80 VIN = 12V 80 70 Burst Mode 70 70 OPERATION Burst Mode 60 60 60 OPERATION 50 50 Burst Mode 50 OPERATION PWM PWM 40 40 40 MODE MODE EFFICIENCY (%) EFFICIENCY (%) 30 EFFICIENCY (%) 30 30 L = 2.2µH L = 2.2µH PWM 20 20 20 MODE 10 VIN = 12V 10 VIN = 12V 10 VIN = 24V VIN = 24V 0 0 0 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G07 3126 G08 3126 G09 3126f For more information www.linear.com/LTC3126 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 700KHz fSW = 700KHz fSW = 700KHz
100 100 100 VIN = 12V VIN = 12V VIN = 12V VIN = 24V VIN = 24V VIN = 24V 95 95 90 90 90 80 85 85 70 EFFICIENCY (%) 80 EFFICIENCY (%) 80 EFFICIENCY (%) 60 75 75 L = 10µH L = 10µH L = 4.7µH PWM/SYNC = LOW PWM/SYNC = LOW PWM/SYNC = LOW 70 70 50 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G01 3126 G02 3126 G03
Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 700KHz fSW = 700KHz fSW = 700KHz
100 100 90 90 90 80 80 80 70 Burst Mode 70 70 Burst Mode OPERATION 60 60 OPERATION 60 Burst Mode PWM 50 50 PWM 50 OPERATION MODE PWM MODE 40 MODE 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 L = 10µH L = 10µH L = 4.7µH 20 20 20 10 VIN = 12V 10 VIN = 12V 10 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 0 0 0 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G04 3126 G05 3126 G06
Efficiency, VOUT = 5V, Efficiency, VOUT = 3.3V, Efficiency, VOUT = 1.8V, fSW = 2MHz fSW = 2MHz fSW = 2MHz
100 90 90 L = 2.2µH 90 80 80 VIN = 12V 80 70 Burst Mode 70 70 OPERATION Burst Mode 60 60 60 OPERATION 50 50 Burst Mode 50 OPERATION PWM PWM 40 40 40 MODE MODE EFFICIENCY (%) EFFICIENCY (%) 30 EFFICIENCY (%) 30 30 L = 2.2µH L = 2.2µH PWM 20 20 20 MODE 10 VIN = 12V 10 VIN = 12V 10 VIN = 24V VIN = 24V 0 0 0 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 0.0001 0.001 0.01 0.1 1 4 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3126 G07 3126 G08 3126 G09 3126f For more information www.linear.com/LTC3126 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts
