LT3510EFE#TRPBF

LT®3510 is a dual current mode PWM step-down DC/DC converter with two internal 2.5A switches. The Independent input voltage, feedback, soft-start, and power good pins for each channel simplify complex power supply tracking/sequencing requirements. This converter is synchronized to either a common external clock input or a resistor programmable fixed 250KHz to 1.5MHz internal oscillator. At all frequencies, a 180° phase relationship between channels is maintained, reducing voltage ripple and component size. Programmable frequency allows for optimization between efficiency and external component size. Each output can be independently disabled using its own soft-start pin, or by using the SHDN pin the entire part can be placed in a low quiescent current shutdown mode. Application includes DSP power supplies, disc drives, DSL/cable modems, wall transformer regulation, distributed power regulation, PCI cards.

• Independent supply to each regulator
• Antiphase switching, outputs can be paralleled
• Independent, sequential, ratiometric or absolute tracking between outputs
• Independent soft-start and power good pins
• Enhanced short-circuit protection
• Typical SHDN threshold is 1.28V (VOUT1/2 = 0V, RT/SYNC = 133K, TJ = 25°C)
• Minimum input voltage Ch 2 is 2.8V (VFB1/2 = 0V, VVOUT1/2 = 0V, VIND1/2 = 0V, typ)
• Feedback voltage line regulation range from -1 to 1% (TJ = 25°C. VVIN1/2 = 15V)
• 20-lead TSSOP package
• Temperature rating range from -40°C to 125°C

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