Datasheet LTC3623 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 15V, ±5A Rail-to-Rail Synchronous Buck Regulator |
| Seiten / Seite | 30 / 5 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 1.5 Mb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. ISET Current vs. Temperature. Load Regulation
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LTC3623
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. ISET Current vs. Temperature Load Regulation ISET Current vs VISET
51.0 100 V 51 OUT VIN = 16V VISET 50 (%) 99 50.5 OUT 49 98 AND V 48 (µA) 50.0 (µA) ISET I ISET 97 I ISET 47 46 49.5 96 NORMALIZED V V 45 IN = 12V VOUT = 3.3V 49.0 95 44 –50 –25 0 25 50 75 100 125 150 0 1 2 3 4 5 0 2 4 6 8 10 12 14 16 TEMPERATURE (°C) LOAD CURRENT (A) VISET (V) 3623 G01 3623 G02 3623 G03
Efficiency vs Load Current Efficiency vs Load Current ISET Current Line Regulation VOUT = 5V, VIN = 12V VOUT = 3.3V, VIN = 12V
50.2 100 100 90 90 80 80 50.1 DCM DCM 70 70 60 60 (µA) CCM CCM 50.0 50 50 I ISET 40 40 EFFICIENCY (%) EFFICIENCY (%) 30 30 49.9 20 20 10 10 VISET = 2.5V fSW = 1MHz fSW = 1MHz 49.8 0 0 0 2 4 6 8 10 12 14 16 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 VIN (V) LOAD CURRENT (A) LOAD CURRENT (A) 3623 G04 3623 G05 3623 G06
Efficiency vs Load Current VOUT = 1.8V, VIN = 12V Quiescent Current vs VIN Shutdown Current vs VIN
100 5 1.0 VRUN = 0 90 0.9 80 4 0.8 DCM 70 0.7 60 3 0.6 CCM 50 (mA) (µA) 0.5 I Q I Q 40 2 0.4 EFFICIENCY (%) 30 0.3 20 1 0.2 10 0.1 fSW = 1MHz DCM 0 0 0 0.001 0.01 0.1 1 10 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 LOAD CURRENT (A) VIN (V) VIN (V) 3623 G07 3623 G08 3623 G09 3623fa For more information www.linear.com/LTC3623 5
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. ISET Current vs. Temperature Load Regulation ISET Current vs VISET
51.0 100 V 51 OUT VIN = 16V VISET 50 (%) 99 50.5 OUT 49 98 AND V 48 (µA) 50.0 (µA) ISET I ISET 97 I ISET 47 46 49.5 96 NORMALIZED V V 45 IN = 12V VOUT = 3.3V 49.0 95 44 –50 –25 0 25 50 75 100 125 150 0 1 2 3 4 5 0 2 4 6 8 10 12 14 16 TEMPERATURE (°C) LOAD CURRENT (A) VISET (V) 3623 G01 3623 G02 3623 G03
Efficiency vs Load Current Efficiency vs Load Current ISET Current Line Regulation VOUT = 5V, VIN = 12V VOUT = 3.3V, VIN = 12V
50.2 100 100 90 90 80 80 50.1 DCM DCM 70 70 60 60 (µA) CCM CCM 50.0 50 50 I ISET 40 40 EFFICIENCY (%) EFFICIENCY (%) 30 30 49.9 20 20 10 10 VISET = 2.5V fSW = 1MHz fSW = 1MHz 49.8 0 0 0 2 4 6 8 10 12 14 16 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 VIN (V) LOAD CURRENT (A) LOAD CURRENT (A) 3623 G04 3623 G05 3623 G06
Efficiency vs Load Current VOUT = 1.8V, VIN = 12V Quiescent Current vs VIN Shutdown Current vs VIN
100 5 1.0 VRUN = 0 90 0.9 80 4 0.8 DCM 70 0.7 60 3 0.6 CCM 50 (mA) (µA) 0.5 I Q I Q 40 2 0.4 EFFICIENCY (%) 30 0.3 20 1 0.2 10 0.1 fSW = 1MHz DCM 0 0 0 0.001 0.01 0.1 1 10 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 LOAD CURRENT (A) VIN (V) VIN (V) 3623 G07 3623 G08 3623 G09 3623fa For more information www.linear.com/LTC3623 5