Datasheet LTC3415 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 7A, PolyPhase Synchronous Step-Down Regulator |
| Seiten / Seite | 28 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Effi ciency and Power Loss. Burst … |
| Dateiformat / Größe | PDF / 322 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Effi ciency and Power Loss. Burst Mode Operation. Pulse-Skip Mode Operation
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LTC3415
TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency and Power Loss Effi ciency and Power Loss Burst Mode Operation Pulse-Skip Mode Operation
100 10 100 10 VOUT = 1.8V VOUT = 1.8V 90 90 EFFICIENCY 80 EFFICIENCY 80 1 POWER LOSS (mW) POWER LOSS (mW) 70 70 1 60 60 50 0.1 50 40 40 POWER LOSS EFFICIENCY (%) EFFICIENCY (%) 0.1 30 30 POWER LOSS 0.01 20 20 2.5V 2.5V 10 3.3V 10 3.3V 5V 0 0.001 5V 0 0.01 0.01 0.1 1 10 0.01 0.1 1 10 LOAD CURRENT (A) LOAD CURRENT (A) 3415 G09 3415 G10
Switch Leakage Current Output Tracking vs Input Voltage
200 VOUT2 = 3.3V/7A 175 500mV/DIV 150 VOUT1 = 125 1.8V/14A MAIN SWITCH 500mV/DIV 100 75 LEAKAGE CURRENT (nA) 50 3415 G07 500μs/DIV SYNCHRONOUS 25 SWITCH 0 2.5 3 3.5 4 4.5 5 5.5 6 INPUT VOLTAGE (V) 3415 G12 3415fa 5
TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency and Power Loss Effi ciency and Power Loss Burst Mode Operation Pulse-Skip Mode Operation
100 10 100 10 VOUT = 1.8V VOUT = 1.8V 90 90 EFFICIENCY 80 EFFICIENCY 80 1 POWER LOSS (mW) POWER LOSS (mW) 70 70 1 60 60 50 0.1 50 40 40 POWER LOSS EFFICIENCY (%) EFFICIENCY (%) 0.1 30 30 POWER LOSS 0.01 20 20 2.5V 2.5V 10 3.3V 10 3.3V 5V 0 0.001 5V 0 0.01 0.01 0.1 1 10 0.01 0.1 1 10 LOAD CURRENT (A) LOAD CURRENT (A) 3415 G09 3415 G10
Switch Leakage Current Output Tracking vs Input Voltage
200 VOUT2 = 3.3V/7A 175 500mV/DIV 150 VOUT1 = 125 1.8V/14A MAIN SWITCH 500mV/DIV 100 75 LEAKAGE CURRENT (nA) 50 3415 G07 500μs/DIV SYNCHRONOUS 25 SWITCH 0 2.5 3 3.5 4 4.5 5 5.5 6 INPUT VOLTAGE (V) 3415 G12 3415fa 5