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HT7938A SOT23-6
The HT7938A is high efficiency boost converter with constant current output for backlight applications in handheld devices. Using a series connection of LEDs provides constant identical LED currents resulting in uniform brightness. The continuous LED current is set using the device FB pin regulated voltage across an external sense resistor, RFB, connected between this pin …
ادامه خواندنHT7938A SOT23-6
HT7L4661 MSOP10
The HT7L4661 is a Buck converter controller using quasi-resonant conversion technology. It can be used for driving high-brightness LEDs with power factor correction in off-line applications. The controller is implemented by driving an external power MOSFET and measuring and regulating a constant LED current. Additional features in the device include a rapid high voltage startup function …
ادامه خواندنHT7L4661 MSOP10
HT7939A-1 SOT23-6
The HT7939A-1 is high efficiency boost converter with constant current output for backlight applications in handheld devices. Using a series connection of LEDs provides constant identical LED currents resulting in uniform brightness. The continuous LED current is set using the device FB pin regulated voltage across an external sense resistor, RFB, connected between this pin and …
ادامه خواندنHT7939A-1 SOT23-6
HT7L4811 SOT23-6
The HT7L4811 is a non-isolation buck PWM controller for LED lighting applications. The device has a fully integrated PFC circuit which operates in a boundary conduction mode (BCM) to achieve high power factor values. With good control over external MOSFETs, the device can easily meet exacting LED current and high power factor requirements. The HT7L4811 provides …
ادامه خواندنHT7L4811 SOT23-6
HT7963 SOP8
The HT7963 is a high efficiency boost converter with a fixed oscillator frequency for LED backlighting and LED lighting application. The white LED current is setup using an external current setting resistor, which has a low feed-back voltage of only 0.3V. The DIM input allows a wide range of dimming control for LED backlighting or …
ادامه خواندنHT7963 SOP8
CYT1000A SOP8
Brand Name: Original Brand Model Number: CYT1000A Type: Drive IC Package: SOP-8 D/C: 2018+ Standard Package: Standard Family: led driver ic Packaging: Standard Voltage: 6.5V ~ 450V Current: 5mA-60mA Operating Temperature: -40°C ~ 120°C Lead Free Status / RoHS Status: Lead free / RoHS Compliant Colour: Black
HT7L5600 SOT23-6
The HT7L5600 is a single-stage, isolated, primary-side offline LED lighting controller that achieves a high power factor. Power control is implemented by controlling an external MOSFET and accurate LED constant current regulation from the primary-side information. This can significantly simplify the LED lighting system design by eliminating the secondary-side feedback components and the normally required …
ادامه خواندنHT7L5600 SOT23-6
HT7939A-2 SOT23-6
The HT7939A-2is a high efficiency boost converter for driving multiple White LEDs using current mode operation. The HT7939A-2is designed to drive up to 39 White LEDs from a 5V power supply. The White LED current is setup using an external current setting resistor, which has a low feedback voltage of 0.2V to minimise resistor power …
ادامه خواندنHT7939A-2 SOT23-6
CYT1000B TO-252
آی سی CYT1000B به عنوان یک منبع جریان قادر است جریانی از ۵ میلی آمپر تا ۶۰ میلی آمپر را فراهم نماید. کاربرد آی سی CYT1000B در لامپ‌های ال ای دی بسیار مهم و چشم گیر است بدلیل اینکه ای این ای سی قادر است با حداقل قطعات جانبی چندین ال ای دی را با …
ادامه خواندنCYT1000B TO-252
HT1635A LQFP64
The HT1635A/HT1635B is a memory mapping LED display controller/driver. The maximum display capacity of the device is 352 patterns composed of 44 rows and 8 commons. The device can generate 16 LED illumination levels using software controlled PWM circuitry. A serial interface is provided to allow the device to receive instructions for its command mode …
ادامه خواندنHT1635A LQFP64