Datasheet LTC3636, LTC3636-1 (Analog Devices) - 7

制造商Analog Devices
描述Dual Channel 6A, 20V Monolithic Synchronous Step-Down Regulator
页数 / 页28 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TJ = 25°C, VIN1 = VIN2 = 12V, fSW = …
修订版C
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TYPICAL PERFORMANCE CHARACTERISTICS. TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz,. L = 0.55µH unless otherwise noted. Load Step

TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 0.55µH unless otherwise noted Load Step

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LTC3636/LTC3636-1
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 0.55µH unless otherwise noted. Load Step Load Step (Internal Compensation) Start-Up (Burst Mode Operation)
VOUT VOUT RUN AC-COUPLED AC-COUPLED 2V/DIV 100mV/DIV 100mV/DIV VOUT 1V/DIV IL IL I 5A/DIV 5A/DIV L 2A/DIV 20µs/DIV 3636 G18 20µs/DIV 3636 G19 400µs/DIV 3636 G20 VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 400mA to 6A ILOAD = 400mA to 6A ILOAD = 100mA CCOMP = 330pF ITH = INTVCC RCOMP = 13kΩ CF = 33pF CF = 33pF COUT = 47µF ×2 COUT = 47µF ×2
Start-Up into Prebiased Output Start-Up (Forced Continuous Mode) (Burst Mode Operation)
RUN RUN 2V/DIV 2V/DIV VOUT VOUT = 1.8V 1V/DIV 1V/DIV I I L L 2A/DIV 2A/DIV 400µs/DIV 3636 G21 400µs/DIV 3636 G22 VOUT = 1.8V ILOAD = 0mA ILOAD = 100mA
Start-Up into Prebiased Output (Forced Continuous Mode) Short-Circuit and Soft-Start
RUN 2V/DIV IL 10A/DIV VOUT = 1.8V 1V/DIV VIN 5V/DIV I V L OUT 5A/DIV 1V/DIV 400µs/DIV 3636 G23 I 200µs/DIV 3636 G24 LOAD = 0mA VOUT = 1.8V Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts