Datasheet LTM4627 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 15A DC/DC µModule Regulator |
| Seiten / Seite | 32 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. with … |
| Dateiformat / Größe | PDF / 583 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. with 5VIN. with 8VIN. with 12VIN. Burst Mode Efficiency
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LTM4627
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current with 5VIN with 8VIN with 12VIN
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 70 70 70 EFFICIENCY (%) EFFICIENCY (%) 1VOUT AT 400kHz EFFICIENCY (%) 1VOUT AT 400kHz 65 1VOUT AT 400kHz 65 1.2VOUT AT 400kHz 65 1.2VOUT AT 400kHz 1.2V 1.5V 1.5V 60 OUT AT 400kHz OUT AT 400kHz OUT AT 400kHz 1.5V 60 60 OUT AT 400kHz 2.5VOUT AT 500kHz 2.5VOUT AT 650kHz 55 2.5VOUT AT 400kHz 55 3.3VOUT AT 600kHz 55 3.3VOUT AT 650kHz 3.3VOUT AT 650kHz 5VOUT AT 600kHz 5VOUT AT 700kHz 50 50 50 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4627 G01 4627 G02 4627 G03
Burst Mode Efficiency Pulse-Skipping Mode Efficiency 1.0V Transient Response
100 100 5VIN, 2.5VOUT 5VIN, 2.5VOUT Burst Mode OPERATION PULSE-SKIPPING MODE 90 90 50mV/DIV 80 80 12VIN, 2.5VOUT Burst Mode OPERATION 70 70 0A TO 7.5A EFFICIENCY (%) EFFICIENCY (%) LOAD STEP 60 60 12VIN, 2.5VOUT PULSE-SKIPPING MODE 100µs/DIV 4627 G06 50 50 VIN = 12V, VOUT = 1.0V, CFF = 82pF, CCOMP = 33pF 40 40 OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R 0.1 0.2 0.5 1 1.5 2 0.1 0.2 0.5 1 1.5 2 LOAD CURRENT (A) LOAD CURRENT (A) 4627 G04 4627 G05
1.2V Transient Response 1.5V Transient Response 1.8V Transient Response
50mV/DIV 50mV/DIV 50mV/DIV 0A TO 7.5A 0A TO 7.5A 0A TO 7.5A LOAD STEP LOAD STEP LOAD STEP 100µs/DIV 4627 G07 100µs/DIV 4627 G08 100µs/DIV 4627 G09 VIN = 12V, VOUT = 1.2V, VIN = 12V, VOUT = 1.5V, VIN = 12V, VOUT = 1.8V, CFF = 82pF, CCOMP = 33pF CFF = 82pF, CCOMP = 33pF CFF = 82pF, CCOMP = 33pF OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R OUTPUT CAPACITOR = 4 × 100µF CERAMIC X5R 4627fc For more information www.linear.com/LTM4627 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photos Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current with 5VIN with 8VIN with 12VIN
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 70 70 70 EFFICIENCY (%) EFFICIENCY (%) 1VOUT AT 400kHz EFFICIENCY (%) 1VOUT AT 400kHz 65 1VOUT AT 400kHz 65 1.2VOUT AT 400kHz 65 1.2VOUT AT 400kHz 1.2V 1.5V 1.5V 60 OUT AT 400kHz OUT AT 400kHz OUT AT 400kHz 1.5V 60 60 OUT AT 400kHz 2.5VOUT AT 500kHz 2.5VOUT AT 650kHz 55 2.5VOUT AT 400kHz 55 3.3VOUT AT 600kHz 55 3.3VOUT AT 650kHz 3.3VOUT AT 650kHz 5VOUT AT 600kHz 5VOUT AT 700kHz 50 50 50 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4627 G01 4627 G02 4627 G03
Burst Mode Efficiency Pulse-Skipping Mode Efficiency 1.0V Transient Response
100 100 5VIN, 2.5VOUT 5VIN, 2.5VOUT Burst Mode OPERATION PULSE-SKIPPING MODE 90 90 50mV/DIV 80 80 12VIN, 2.5VOUT Burst Mode OPERATION 70 70 0A TO 7.5A EFFICIENCY (%) EFFICIENCY (%) LOAD STEP 60 60 12VIN, 2.5VOUT PULSE-SKIPPING MODE 100µs/DIV 4627 G06 50 50 VIN = 12V, VOUT = 1.0V, CFF = 82pF, CCOMP = 33pF 40 40 OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R 0.1 0.2 0.5 1 1.5 2 0.1 0.2 0.5 1 1.5 2 LOAD CURRENT (A) LOAD CURRENT (A) 4627 G04 4627 G05
1.2V Transient Response 1.5V Transient Response 1.8V Transient Response
50mV/DIV 50mV/DIV 50mV/DIV 0A TO 7.5A 0A TO 7.5A 0A TO 7.5A LOAD STEP LOAD STEP LOAD STEP 100µs/DIV 4627 G07 100µs/DIV 4627 G08 100µs/DIV 4627 G09 VIN = 12V, VOUT = 1.2V, VIN = 12V, VOUT = 1.5V, VIN = 12V, VOUT = 1.8V, CFF = 82pF, CCOMP = 33pF CFF = 82pF, CCOMP = 33pF CFF = 82pF, CCOMP = 33pF OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R OUTPUT CAPACITOR = 5 × 100µF CERAMIC X5R OUTPUT CAPACITOR = 4 × 100µF CERAMIC X5R 4627fc For more information www.linear.com/LTM4627 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photos Package Description Revision History Typical Application Related Parts