RS3750YH6

Runic
White LED Driver with PWM Brightness Control
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Технические характеристики

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Корпус SOT236
Рабочая частота
Выходной ток
Максимальное выходное напряжение
Диапазон входных напряжений
Подключение светодиодов
Тип преобразователя
Примечание PWM Dimming, Open LED Protection
Рабочая температура
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Файлы 1

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RS3750 White LED Driver with PWM Brightness Control in Small Packages 1 FEATURES 3 DESCRIPTIONS  Input Voltage Range: 2.7V to 20V With a 30V rated integrated switch FET, the RS3750 is  30V Open LED Protection a boost converter that drives LEDs in series. The boost  200mV Reference Voltage converter runs at 1150kHz fixed switching frequency to  550kΩ Pull-Down Resistor on CTRL Pin reduce output ripple, improve conversion efficiency,  PWM Brightness Control and allows for the use of small external components.  10kHz to 100kHz PWM Dimming Frequency Range The default white LED current is set with the external Dimming Stable in More than 1:500 PWM sensor resistor RSET, and the feedback voltage is Range regulated to 200mV, as shown in the typical application.  Soft-Start Function During the operation, the LED current can be controlled  Up to 90% Efficiency using PWM signal through the CTRL pin. The duty cycle  -40°C to +85°C Operating Temperature Range of pulse width modulation (PWM) signal determines the  Available in the Green SOT23-6 Package feedback reference voltage. In PWM mode, the RS3750  does not burst the LED current; therefore, it does not 2 APPLICATIONS  Cellular Phones  Portable Media Players  Ultra Mobile Devices  GPS Receivers  White LED Backlighting for Media Form Factor Display generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the RS3750 to prevent the output voltage from exceeding the IC’s absolute maximum voltage ratings during open LED conditions. The RS3750 is available in Green SOT23-6 packages. It operates over an ambient temperature range of -40°C to +85°C. Device Information (1) PART NUMBER PACKAGE BODY SIZE (NOM) RS3750 SOT23-6 2.90mm×1.60mm (1) REV A.0.2 1 / 14 For all available packages, see the orderable addendum at the end of the data sheet. www.run-ic.com PDF
Документация на RS3750YH6 

Дата модификации: 01.09.2026

Размер: 880.8 Кб

14 стр.

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