ME2215

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ME2215 带内置开关的 1A LED 驱动电路 ME2215 概述 特点 ME2215是一款工作于连续模式的电感降压转  简单外围器件 换器，可以使用比LED电压高的电源，来驱动一个或  内置40V NDMOS 开关 数个串联的LED。ME2215可以使用6V-36V的电源，  最大1A输出电流 并通过外置可调电阻，最大实现1A的电流。设置合  VSET单管脚实现开/关和亮度控制，可使用DC或 适的电源和外围器件，ME2215最大输出功率可以达 PWM信号 到30W...
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ME2215 带内置开关的 1A LED 驱动电路 ME2215 概述 特点 ME2215是一款工作于连续模式的电感降压转  简单外围器件 换器，可以使用比LED电压高的电源，来驱动一个或  内置40V NDMOS 开关 数个串联的LED。ME2215可以使用6V-36V的电源，  最大1A输出电流 并通过外置可调电阻，最大实现1A的电流。设置合  VSET单管脚实现开/关和亮度控制，可使用DC或 适的电源和外围器件，ME2215最大输出功率可以达 PWM信号 到30W。ME2215电路包括内置开关和高侧电流检测  软启动 电路，可以利用外置电阻来设置平均输出电流。通过  高效率 (最高97%) 控制VSET管脚，可以调节输出电流低于设定值。  宽恕如电压范围: 6V 到 36V VSET管脚可以使用DC或者PWM信号来控制。可以  LED 开路保护 通过在VSET管脚对地接入外置电容，实现增加软启  LED短路保护 动时间。当VSET电压低于0.2v，关断开关，器件进  最高1MHz开关频率 入低功耗的待机状态。  5% 输出精度 应用场合    封装形式  低压可替换灯泡 低压工业照明 LED 背光 5-pin SOT89-5 典型应用图 D Rs 0.3Ω VIN C 10uF ISENSE L 100uH ME2215 VSET LX GND V04 www.microne.com.cn Page 1 of 9 PDF
Документация на ME2215 

High Speed LDO Regulators, Low ESR Cap

Дата модификации: 02.06.2023

Размер: 753.7 Кб

9 стр.

ME2215 1A LED Driver with Internal Switch ME2215 General Description Features The ME2215 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 6V and 36V and provides an externally adjustable output current of up to 1A. Depending upon supply voltage and external components, this can provide up to 30 watts of output power. The ME2215 includes the output switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. Output current can be adjusted below the set value, by applying an external control signal to the VSET pin. The VSET pin will accept either a DC voltage or a PWM waveform. The soft-start time can be increased using an external capacitor from the VSET pin to ground. Applying a voltage of 0.2V or lower to the VSET pin turns the output off and switches the device into a low current standby state.     Typical Application Package     Simple low parts count Internal 40V NDMOS switch 1A output current Single pin on/off and brightness control Using DC voltage or PWM Soft-start High efficiency (up to 97%) Wide input voltage range: 6V to 36V Open LED Protection Short LED Protection Up to 1MHz switching frequency Typical 5% output current accuracy        Low voltage halogen replacement LEDs Low voltage industrial lighting LED back-side lighting 5-pin SOT89-5 Typical Application Circuit D Rs 0.3Ω VIN C 10uF ISENSE L 100uH ME2215 VSET LX GND V05 www.microne.com.cn Page 1 of 9 PDF
Документация на ME2215 

High Speed LDO Regulators, Low ESR Cap

Дата модификации: 07.02.2023

Размер: 795.3 Кб

9 стр.

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