TS19378 Datasheet (html) - Taiwan Semiconductor Company, Ltd.
LED Lighting Equipment, ordering Information, part.
Electrical Specifications (VIN12V, TA 25oC, unless otherwise noted) Parameter Symbol Conditions Min Typ Max Units Feedback Voltage Quiescent Current Feedback Bias Current Shutdown Supply Current Switch Current Limit Oscillation Frequency Short Frequency EN/SS Pin Shutdown Logic input threshold voltage VFB iccq IFB ISD iswlimit fosc.
Its low 200mV feedback voltage reduces power loss and improves efficiency.TS19378 2A Buck (Step-down) wled Driver Typical Application Circuit A: Normal Application Circuit VIN C1 220uF.1uF C3 20K 1uF U1 AX2005/A 4 VCC SW 5 3 vgate 7 FB 2 VSS 8 comp 1 EN/SS OVP 6 R3.2K.1uF R2 100.The TS19378 includes current limit, short circuit protection and thermal shutdown protection preventing damage.TS19378 2A Buck (Step-down) wled Driver, absolute Maximum Rating.The total LED driving current up to 2A, which is measured through an external current sense resistor.The PWM control circuit is able to the duty ratio linearly from 0 up to 100.Block Diagram 1/7 Version: A13.TS19378CS RLG SOP-8EP.5Kpcs / 13 Reel.TS19378 2A Buck (Step-down) wled Driver, sOP-8EP, pin Definition:.Download, tS19378, click to view, file Size 131.91 Kbytes, page 7 Pages.Datasheet Page, link URL.Since this converter can accommodate an input voltage up to 40V, it is also suitable for the operation via an AC adapter.Electronic Components Datasheet Search, description, tS19378 Datasheet (PDF) - Taiwan Semiconductor Company, Ltd, part.Maker, tSC Taiwan Semiconductor Company, Ltd, homepage m, logo.UA m 2/7 Version: A13 No Preview Available!General Description, the TS19378 is a high voltage step-down converter designed for driving up to 10 series white LEDs from a 40V system input. Parameter, symbol, limit Unit VCC Pin Voltage Feedback Pin Voltage EN/SS Pin Voltage OVP Pin Voltage comp Pin Voltage vgate Pin Voltage Switch Pin Voltage Power Dissipation VCC VFB VEN/SS vovp vcomp vgate VSW PD VSS -.3 to VSS 45 VSS -.3.
Duty ratio: 0100 PWM control 300kHz Switching Frequency, enable/Disable Functions, soft Start Time Control, current limit and Thermal Shutdown.
The OVP pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition.