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Datasheet LTC3851A-1 (Analog Devices) - 6

ПроизводительAnalog Devices
ОписаниеSynchronous Step-Down Switching Regulator Controller
Страниц / Страница30 / 6 — Typical perForMance characTerisTics. Load Step. (Pulse-Skipping Mode). …
Формат / Размер файлаPDF / 442 Кб
Язык документаанглийский

Typical perForMance characTerisTics. Load Step. (Pulse-Skipping Mode). Inductor Current at Light Load

Typical perForMance characTerisTics Load Step (Pulse-Skipping Mode) Inductor Current at Light Load

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LTC3851A-1
Typical perForMance characTerisTics Load Step (Pulse-Skipping Mode) Inductor Current at Light Load
ILOAD FORCED 5A/DIV CONTINOUS 0.2A TO 7.5A MODE 5A/DIV IL Burst Mode 5A/DIV OPERATION 5A/DIV VOUT 100mV/DIV PULSE SKIP AC-COUPLED MODE 5A/DIV V 3851A1 G07 3851A1 G08 OUT = 1.5V 100µs/DIV VOUT = 1.5V 1µs/DIV VIN = 12V VIN = 12V FIGURE 11 CIRCUIT ILOAD = 1mA FIGURE 11 CIRCUIT
Start-Up with Prebiased Output Coincident Tracking with Master at 2V Supply
V V MASTER OUT 0.5V/DIV 2V/DIV VOUT TK/SS 2A LOAD 0.5V/DIV 0.5V/DIV VFB 0.5V/DIV 20ms/DIV 3851A1 G09 10ms/DIV 3851A1 G10
Ratiometric Tracking with Master Input DC Supply Current Supply vs Input Voltage
3.0 VMASTER 2.5 0.5V/DIV 2.0 VOUT 2A LOAD 1.5 0.5V/DIV Y CURRENT (mA) 1.0 SUPPL 10ms/DIV 3851A1 G11 0.5 0 4 8 12 16 20 24 28 32 36 40 INPUT VOLTAGE (V) 3851A1 G12 3851a1fa 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
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