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AP3012KTR-G1

Boost converter for LED driver, 1.5MHz, 2A switch, SOT-23-6

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Pieza del fabricante：

AP3012KTR-G1

Paquete：

SOT-23-6

Marca：
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Descripción

Productos

The AP3012KTR-G1 from Diodes Incorporated is a 1.5MHz boost converter designed for LED driver applications with a 2A internal switch and PWM dimming in a compact SOT-23-6 package.

Especificaciones

Paquete SOT-23-6

Características

  • See datasheet for complete specifications
  • Industry-standard package

Aplicaciones

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics

The AP3012KTR-G1 from Diodes Incorporated is a 1.5MHz boost converter designed for LED driver applications with a 2A internal switch and PWM dimming in a compact SOT-23-6 package.

The AP3012KTR-G1 is a boost converter IC from Diodes Incorporated in SOT-23-6, with a 2A internal N-channel MOSFET switch operating at 1.5MHz. It is designed for LED driver applications (white LED backlights) and boost power conversion. The control scheme is constant-off-time (COT) peak current mode: the MOSFET turns on and current ramps up through the inductor; when the peak current reaches the threshold set by the FB pin, the MOSFET turns off for a fixed 330ns (at VIN=5V), allowing the inductor current to flow through the diode to the output. The 1.5MHz switching frequency allows the use of small 2.2-4.7uH inductors in 0805 footprint and 1uF ceramic output capacitors. For LED driver applications, a sense resistor (RSET) from FB to GND sets the LED current: ILED = 0.25V / RSET (e.g., RSET=8.3 ohm for 20mA). The output voltage is self-regulating: the boost converter raises VOUT until the desired LED current flows through RSET, producing 0.25V at FB. For standard boost applications, a resistor divider from VOUT to FB sets the output voltage: VOUT = 0.25V x (1 + R1/R2). The EN pin provides shutdown (0.1uA Iq) and can be used for PWM dimming of LEDs (frequencies 100Hz-10kHz). The internal MOSFET has 0.5 ohm RDS(on) and 20V breakdown, limiting maximum output to approximately 18V (typical for 4-6 series white LEDs). The overvoltage protection (OVP) at 22V protects against open-LED conditions. The -KTR-G1 suffix specifies SOT-23-6, tape-and-reel, lead-free.

Pin Nombre Tipo Función
1 SW Salida Switch pin (internal N-ch MOSFET drain, connects to inductor)
2 GND Potencia Suelo
3 FB Entrada Feedback input (connect resistor divider from output, 0.25V reference)
4 ES Entrada Enable (HIGH=on, internal pull-up, LOW=shutdown, 0.1uA Iq)
5 VIN Potencia Input supply (2.6-16V)
6 NC - Sin conexión
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics
    • Fabricante Número de pieza Paquete Notas
    Diodos Inc AP3012KTR-G1 SOT-23-6 Same device, Diodes Inc brand
    Diodos Inc AP3015KTR-G1 SOT-23-6 1A version, higher current switch
    Texas Instruments TPS61041DBVR SOT-23-5 Boost LED driver, 1.2MHz, TI brand
    Monolithic Power MP1542DK-LF-Z SOT-23-6 Boost, 2A switch, 1.3MHz, MP brand
    Silergy SY7208AAC SOT-23-6 Boost, 2A switch, 1MHz, Silergy brand
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