TS19460CS RLG Taiwan Semiconductor, TS19460CS RLG Datasheet

TS19460CS RLG

Manufacturer Part Number

TS19460CS RLG

Description

LED Lighting Drivers WLED Driver with External Mosfet

Manufacturer

Taiwan Semiconductor

Datasheet

1.TS19460CS_RLG.pdf (7 pages)

Specifications of TS19460CS RLG

Rohs

yes

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Absolute Maximum Rating

Parameter

Input Voltage Range

Internal Regulated Voltage

CS, LD, PWMD, Gate, RT to GND

Continuous Power Dissipation

Storage Temperature Range

Junction Temperature Range

Thermal Resistance – Junction to Ambient

General Description

The TS19460 is an average current mode control LED driver IC. It can be programmed to operate in either a

constant frequency or constant off-time mode. And therefore greatly improves accuracy, line and load regulation

of the LED current without any need for loop compensation or high-side current sensing. The output LED current

accuracy is at +/-3%, and it is equipped with current limit comparator for hiccup mode output short circuit

protection.

The TS19460 is includes an 8V~450V linear regulator which allows it to work from a wide range of input voltages

without the need for an external low voltage supply. It also includes a PWM dimming input that can accept an

external control TTL compatible signal. The output current can be programmed by an internal 250mV reference,

or controlled externally through a 0~1.5V dimming input. The TS19460 is ideally suited for buck LED drivers and

is requires only free external components (apart from the power stage) to produce a controlled LED current

making it and ideal solution for low cost LED drivers.

Features

●

Application

●

Switch mode controller LED drivers

Fast average current controller

Internal 8V~450V linear regulator

Constant frequency or constant off-time operation

Linear and PWM dimming capability

Requires few external components for operation

Output short circuit protection with skip mode

DC/DC or AC/DC LED driver applications

RGB backlighting LED driver

Back lighting of flat panel displays

General purpose constant current source

Signage and decorative LED lighting

LED street lighting

SOP-8

Pin Definition:

1. VIN

2. CS

3. GND

4. Gate

8. RT

7. LD

6. VDD

5. PWMD

AC/DC WLED Driver with External MOSFET

1/7

Ordering Information

Note: “G” denote for Halogen Free Product

Typical Application Circuit

TS19460CS RLG

Symbol

Rθ

to GND

Part No.

Universal High Brightness

-0.3 ~ (V

Package

SOP-8

-0.5 ~ +470

-65 to +150

-40 to +150

Limit

650

128

+0.3)

2.5Kpcs / 13” Reel

TS19460

Packing

Version: A12

Unit

C/W

Related parts for TS19460CS RLG

TS19460CS RLG Summary of contents

Page 1

... Storage Temperature Range Junction Temperature Range Thermal Resistance – Junction to Ambient AC/DC WLED Driver with External MOSFET VDD 5. PWMD Ordering Information Part No. TS19460CS RLG Note: “G” denote for Halogen Free Product Typical Application Circuit Symbol V to GND GND DD ...

Page 2

Electrical Specifications (T Function Parameter Input DC Input Voltage Range Shut-down Mode Supply Current Internal Regulator Internally Regulated Voltage Line Regulation Load Regulation Undervoltage Lockout Threshold Undervoltage Lockout Hysteresis Maximum Input Current Dimming PWMD ...

Page 3

Block Diagram Pin Description Pin Function Description 1 VIN This pin is the input of 8V~450V linear regulator This pin is the current sense pin used to sense the MOSFET current by means external sense resistor. ...

Page 4

Application Information The TS19460 is optimized to drive buck LED drivers using average current mode control. This method of control enables fairly accurate LED current control without the need for high side current sensing or the design of any closed ...

Page 5

Application Information (Continue) The input current drawn from the VIN pin is a sum of the 1.0mA current drawn by the internal circuit and the current drawn by the GATE driver (which in turn depends on the switching frequency and ...

Page 6

Marking Diagram Y = Year Code M = Month Code for Halogen Free Product L = Lot Code AC/DC WLED Driver with External MOSFET SOP-8 Mechanical Drawing DIM (O=Jan, P=Feb, Q=Mar, R=Apl, S=May, T=Jun, U=Jul, V=Aug, W=Sep, X=Oct, Y=Nov, Z=Dec) ...

Page 7

Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No ...

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