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STCS1PHR bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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STCS1PHR bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 17 page October 2007 Rev. 5 1/17 17 STCS1 1.5 A max constant current LED driver Features ■ Up to 40 V input voltage ■ Less than 0.5 V voltage overhead ■ Up to 1.5 A output current ■ PWM dimming pin ■ Shutdown pin ■ LED disconnection diagnostic Applications ■ Supplying LEDs with constant current for varying input voltages ■ Low voltage lighting ■ Small appliance LED lighting ■ Car LED lights Description The STCS1 is a BiCMOS constant current source designed to provide a precise constant current starting from a varying input voltage source. The main target is to replace discrete components solution for driving LEDs in low voltage applications such as 5 V, 12 V or 24 V giving benefits in terms of precision, integration and reliability. The current is set with external resistor up to 1.5 A with a ±10% precision; a dedicated pin allows implementing PWM dimming. An open-drain pin output provides information on load disconnection condition. Power SO-8 DFN8 (3x3mm) Table 1. Device summary Order code Package Packaging STCS1PUR DFN8 (3mm x 3mm) 3000 parts per reel STCS1PHR Power SO-8 2500 parts per reel www.st.com |
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