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TL4242

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TL4242

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Produktdetails

Number of channels 1 Topology Current Source Rating Catalog Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) -1 Vout (max) (V) 41 Iout (max) (A) 0.5 Iq (typ) (mA) 12 Features Enable/Shutdown, Fault Detection, Thermal shutdown
Number of channels 1 Topology Current Source Rating Catalog Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) -1 Vout (max) (V) 41 Iout (max) (A) 0.5 Iq (typ) (mA) 12 Features Enable/Shutdown, Fault Detection, Thermal shutdown
WSON (DRJ) 8 16 mm² 4 x 4
  • Adjustable Constant Current up to 500 mA (±5%)
  • PWM Brightness Regulation
  • Wide Input Voltage Range up to 42 V
  • Low Drop Voltage
  • Open-Load Detection
  • Overtemperature Protection
  • Short-Circuit Proof
  • Reverse-Polarity Proof
  • Wide Temperature Range: –40°C to 150°C
  • Adjustable Constant Current up to 500 mA (±5%)
  • PWM Brightness Regulation
  • Wide Input Voltage Range up to 42 V
  • Low Drop Voltage
  • Open-Load Detection
  • Overtemperature Protection
  • Short-Circuit Proof
  • Reverse-Polarity Proof
  • Wide Temperature Range: –40°C to 150°C

The TL4242 device is an integrated, adjustable, constant-current source that can drive loads up to 500 mA. The output current level can be adjusted through an external resistor. The device is designed to supply high-power LEDs. The TL4242 is provided in the DRJ (WSON) package. Protection circuits prevent damage to the device in case of overload, short circuit, reverse polarity, and overtemperature. The connected LEDs are protected against reverse polarity as well as excess voltages up to 45 V.

The integrated PWM input of the TL4242 permits LED brightness regulation by pulse-width modulation (PWM). Due to the high input impedance of the PWM input, the LED driver can be operated as a protected high-side switch.

The TL4242 is characterized for operation from –40°C to 150°C.

The TL4242 device is an integrated, adjustable, constant-current source that can drive loads up to 500 mA. The output current level can be adjusted through an external resistor. The device is designed to supply high-power LEDs. The TL4242 is provided in the DRJ (WSON) package. Protection circuits prevent damage to the device in case of overload, short circuit, reverse polarity, and overtemperature. The connected LEDs are protected against reverse polarity as well as excess voltages up to 45 V.

The integrated PWM input of the TL4242 permits LED brightness regulation by pulse-width modulation (PWM). Due to the high input impedance of the PWM input, the LED driver can be operated as a protected high-side switch.

The TL4242 is characterized for operation from –40°C to 150°C.
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* Data sheet TL4242 500-mA, Adjustable, Constant-Current LED Driver datasheet (Rev. B) PDF | HTML 05 Mär 2014

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  • Blei-Finish/Ball-Material
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