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STMICROELECTRONICS SEA05LTR
LED Driver, Constant Current, Constant Voltage, 1 Output, 3.5 V to 36 V, -40 °C to 150 °C, SOT-23
產品訊息
技術文件 (1)
產品總覽
SEA05LTR is a advanced constant voltage and constant current controller with efficient LED pilot-lamp driver. It is highly integrated solution for SMPS applications, with an LED pilot-lamp requiring a dual control loop to perform CV (constant voltage) and CC (constant current) regulation. The IC allows very efficient LED pilot-lamp driving which helps to reduce the standby consumption of the SMPS. This driver integrates a voltage reference of two op-amps and a low side current sensing circuit with an LED pilot-lamp driver. Pin is implemented with an open-drain mosfet driven by square waveform with 12.5% duty cycle at 1kHz that allows reducing LED consumption. This driver is widely used in applications such as AC-DC adapter with LED pilot-lamp, battery chargers with LED pilot-lamp, SMPS with LED pilot-lamp etc.
- Operating VCC range is 3.5V - 36V
- Low quiescent consumption is 250µA
- Voltage control loop accuracy is ± 0.5%
- Current sense threshold is 50mV
- Current control loop accuracy is ±4%
- Low external component count, open-drain output stage
- Case style is SOT23-6L
- Junction operating temperature range is -40°C to 150°C
包裝類型
條帶式包裝
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