Datasheet LTC3614 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter |
| Seiten / Seite | 30 / 8 — Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless … |
| Dateiformat / Größe | PDF / 808 Kb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Dynamic Supply Current vs Input
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LTC3614
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Dynamic Supply Current vs Input Dynamic Supply Current vs VOUT Short to GND, Voltage without AVP Mode Temperature without AVP Mode Forced Continuous Mode
100 100 FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE 10 10 VOUT 500mV/DIV PULSE-SKIPPING MODE PULSE-SKIPPING MODE Y CURRENT (mA) 1 Y CURRENT (mA) 1 IL 5A/DIV Burst Mode OPERATION Burst Mode OPERATION 0.1 0.1 DYNAMIC SUPPL DYNAMIC SUPPL 0.01 0.01 2.25 2.75 3.25 3.75 4.25 4.75 5.25 –60 –40 –20 0 20 40 60 80 100 120 140 160 100µs/DIV 3614 G30 VOUT = 1.8V INPUT VOLTAGE (V) TEMPERATURE (°C) IOUT = 0A 3614 G28 3614 G29 VMODE = 1.5V
Start-Up from Shutdown with Output Voltage During Sinking Prebiased Output (Overvoltage) vs Input Voltage (VOUT = 1.8V, (Forced Continuous Mode) 0.47µH Inductor)
1.88 PGOOD 5V/DIV 1.86 VOUT 1.84 500mV/DIV 1.82 (V) –3A, 2MHz, 120°C V OUT 1.80 –3A, 2MHz, 25°C IL 1.78 5A/DIV 1.76 1.74 50µs/DIV 3614 G31 2.25 2.75 3.25 4 4.5 5.25 PREBIASED VOUT = 2.2V V INPUT VOLTAGE (V) OUT = 1.2V, IOUT = 0A VMODE = 1.5V 3614 G32 3614fc 8 For more information www.linear.com/LTC3614 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Applications Information Package Description Typical Application Related Parts
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted. Dynamic Supply Current vs Input Dynamic Supply Current vs VOUT Short to GND, Voltage without AVP Mode Temperature without AVP Mode Forced Continuous Mode
100 100 FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE 10 10 VOUT 500mV/DIV PULSE-SKIPPING MODE PULSE-SKIPPING MODE Y CURRENT (mA) 1 Y CURRENT (mA) 1 IL 5A/DIV Burst Mode OPERATION Burst Mode OPERATION 0.1 0.1 DYNAMIC SUPPL DYNAMIC SUPPL 0.01 0.01 2.25 2.75 3.25 3.75 4.25 4.75 5.25 –60 –40 –20 0 20 40 60 80 100 120 140 160 100µs/DIV 3614 G30 VOUT = 1.8V INPUT VOLTAGE (V) TEMPERATURE (°C) IOUT = 0A 3614 G28 3614 G29 VMODE = 1.5V
Start-Up from Shutdown with Output Voltage During Sinking Prebiased Output (Overvoltage) vs Input Voltage (VOUT = 1.8V, (Forced Continuous Mode) 0.47µH Inductor)
1.88 PGOOD 5V/DIV 1.86 VOUT 1.84 500mV/DIV 1.82 (V) –3A, 2MHz, 120°C V OUT 1.80 –3A, 2MHz, 25°C IL 1.78 5A/DIV 1.76 1.74 50µs/DIV 3614 G31 2.25 2.75 3.25 4 4.5 5.25 PREBIASED VOUT = 2.2V V INPUT VOLTAGE (V) OUT = 1.2V, IOUT = 0A VMODE = 1.5V 3614 G32 3614fc 8 For more information www.linear.com/LTC3614 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Applications Information Package Description Typical Application Related Parts