Datasheet LTC3616 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter |
| Seiten / Seite | 28 / 5 — Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless … |
| Dateiformat / Größe | PDF / 541 Kb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Efficiency vs Load Current
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LTC3616
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Efficiency vs Load Current Efficiency vs Load Current Burst Mode Operation (VMODE = 0V) Burst Mode Operation (VMODE = 0V) Efficiency vs Load Current
100 100 100 VOUT = 1.8V VOUT = 1.2V VOUT = 1.8V, VIN = 3.3V 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 20 20 20 VIN = 2.5V VIN = 2.5V Burst Mode OPERATION 10 VIN = 3.3V 10 VIN = 3.3V 10 PULSE-SKIPPING V V FORCED CONTINUOUS 0 IN = 5V 0 IN = 5V 0 1 10 100 1000 10000 1 10 100 1000 10000 1 10 100 1000 10000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 3616 G01 3616 G02 3616 G03
Efficiency vs Input Voltage Efficiency vs Frequency Burst Mode Operation Burst Mode Operation Load Regulation (VMODE = 0V) (VMODE = 0V), IOUT = 2A (VIN = 3.3V, VOUT = 1.8V)
100 95 1.5 VOUT = 1.8V VIN = 3.3V FORCED CONTINUOUS MODE 94 VOUT = 1.8V 1.3 PULSE-SKIPPING MODE 90 93 INTERNAL Burst Mode OPERATION 92 1.1 80 91 0.9 90 70 0.7 89 88 60 ERROR (%) 0.5 87 EFFICIENCY (%) EFFICIENCY (%) V OUT 0.3 50 86 IOUT = 6mA 85 0.1 150nH 40 IOUT = 600mA 84 IOUT = 2A 330nH –0.1 I 83 OUT = 6A 470nH 30 82 –0.3 2.5 3 3.5 4 4.5 5 5.5 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 1000 2000 3000 4000 5000 6000 INPUT VOLTAGE (V) FREQUENCY (MHz) OUTPUT CURRENT (mA) 3616 G04 3616 G05 3616 G06
Line Regulation Burst Mode Operation Pulse-Skipping Mode Operation
0.3 0.2 V V 0.1 OUT OUT 20mV/DIV 20mV/DIV 0 ERROR (%) V OUT –0.1 –0.2 I I L L 1A/DIV 1A/DIV –0.32.20 2.75 3.30 3.85 4.40 4.95 5.50 20µs/DIV 3616 G08 VOUT = 1.8V 20µs/DIV 3616 G09 VOUT = 1.8V INPUT VOLTAGE (V) IOUT = 150mA IOUT = 150mA VMODE = 0V VMODE = 3.3V 3616 G07 3616fc For more information www.linear.com/LTC3616 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Efficiency vs Load Current Efficiency vs Load Current Burst Mode Operation (VMODE = 0V) Burst Mode Operation (VMODE = 0V) Efficiency vs Load Current
100 100 100 VOUT = 1.8V VOUT = 1.2V VOUT = 1.8V, VIN = 3.3V 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 20 20 20 VIN = 2.5V VIN = 2.5V Burst Mode OPERATION 10 VIN = 3.3V 10 VIN = 3.3V 10 PULSE-SKIPPING V V FORCED CONTINUOUS 0 IN = 5V 0 IN = 5V 0 1 10 100 1000 10000 1 10 100 1000 10000 1 10 100 1000 10000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 3616 G01 3616 G02 3616 G03
Efficiency vs Input Voltage Efficiency vs Frequency Burst Mode Operation Burst Mode Operation Load Regulation (VMODE = 0V) (VMODE = 0V), IOUT = 2A (VIN = 3.3V, VOUT = 1.8V)
100 95 1.5 VOUT = 1.8V VIN = 3.3V FORCED CONTINUOUS MODE 94 VOUT = 1.8V 1.3 PULSE-SKIPPING MODE 90 93 INTERNAL Burst Mode OPERATION 92 1.1 80 91 0.9 90 70 0.7 89 88 60 ERROR (%) 0.5 87 EFFICIENCY (%) EFFICIENCY (%) V OUT 0.3 50 86 IOUT = 6mA 85 0.1 150nH 40 IOUT = 600mA 84 IOUT = 2A 330nH –0.1 I 83 OUT = 6A 470nH 30 82 –0.3 2.5 3 3.5 4 4.5 5 5.5 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 1000 2000 3000 4000 5000 6000 INPUT VOLTAGE (V) FREQUENCY (MHz) OUTPUT CURRENT (mA) 3616 G04 3616 G05 3616 G06
Line Regulation Burst Mode Operation Pulse-Skipping Mode Operation
0.3 0.2 V V 0.1 OUT OUT 20mV/DIV 20mV/DIV 0 ERROR (%) V OUT –0.1 –0.2 I I L L 1A/DIV 1A/DIV –0.32.20 2.75 3.30 3.85 4.40 4.95 5.50 20µs/DIV 3616 G08 VOUT = 1.8V 20µs/DIV 3616 G09 VOUT = 1.8V INPUT VOLTAGE (V) IOUT = 150mA IOUT = 150mA VMODE = 0V VMODE = 3.3V 3616 G07 3616fc For more information www.linear.com/LTC3616 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts