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TS19460 bảng dữ liệu(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS19460 bảng dữ liệu(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 7 page TS19460 AC/DC WLED Driver with External MOSFET Universal High Brightness 1/7 Version: A12 SOP-8 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 ● 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 Ordering Information Part No. Package Packing TS19460CS RLG SOP-8 2.5Kpcs / 13” Reel Note: “G” denote for Halogen Free Product Typical Application Circuit Application ● 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 Absolute Maximum Rating Parameter Symbol Limit Unit Input Voltage Range VIN to GND -0.5 ~ +470 V Internal Regulated Voltage VDD to GND 12 V CS, LD, PWMD, Gate, RT to GND -0.3 ~ (VDD+0.3) V Continuous Power Dissipation PD 650 mW Storage Temperature Range TA -65 to +150 oC Junction Temperature Range TJ -40 to +150 oC Thermal Resistance – Junction to Ambient RθJA 128 oC/W Pin Definition: 1. VIN 8. RT 2. CS 7. LD 3. GND 6. VDD 4. Gate 5. PWMD |
Số phần tương tự - TS19460 |
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Mô tả tương tự - TS19460 |
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