PT4115

continuous conduction mode inductive step-down converter, 30V, 1.2A, SOT

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Price:: US $0.12~0.20 / piece [Get Latest Price]

Reference price:

Qty (lots)	Price/lot
1 ~ 1000 :	0.20 / Piece
1000 ~ 10000 :	0.15 / Piece
100000 ~ 1000000 :	0.12 / Piece

PartNumber:: PT4115

Brand:: Protek Devices - ProTek | Pack: SOT | D/C: 13+

Availability:: Supply Ability: 10000000/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

Quantity:: piece

Total Price:: US $0

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Products Upload time: 2013-05-15

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Part Number:PT4115
US $0.12 - 0.20
Quantity:

piece

Product Summary

The PT4115 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LED efficiently from a voltage source higher than the total LED chain voltage. The PT4115 operates from an input supply between 6V and 30V and provides an externally adjustable output current of up to 1.2A. Depending upon the supply voltage and external components, the PT4115can provide more than 30 watts of output power. The PT4115 applications are: (1)Low voltage halogen replacement LEDs; (2)Automotive lighting; (3)Low voltage industrial lighting; (4)LED back-up lighting; (5)Illuminated signs; (6)SELV lighting; (7)LCD TV backlighting.

Parametrics

PT4115 absolute maximum ratings: (1)VIN Supply Voltage: －0.3~45 V; (2)SW Drain of the internal power switch: －0.3~45 V; (3)CSN Current sense input (Respect to VIN): +0.3~(－6.0)V; (4)DIM Logic level dimming input: －0.3~6 V; (5)ISW Switch output current: 1.5 A; (6)PDMAX Power Dissipation (Note 2): 1.5 W; (7)PTR Thermal Resistance, SOT89－5 θJA: 45 ℃ /W; (8)PTR Thermal Resistance, ESOP8 θJA: 40 ℃ /W.

Features

PT4115 features: (1)Up to 1MHz switching frequency; (2)Typical 5% output current accuracy; (3)Inherent open circuit LED protection; (4)High efficiency (up to 97%); (5)High Side Current Sense; (6)Hysteretic Control: No Compensation; (7)Adjustable Constant LED Current; (8)ESOP8 package for large output power application; (9)RoHS compliant.