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LM3410-Q1

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Konstantstrom-Aufwärtswandler und SEPIC-LED-Treiber für die Automobilindustrie, 525 kHz/1,6 MHz, mit

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LM3410-Q1

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Produktdetails

Number of channels 1 Topology Boost, SEPIC Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Vout (min) (V) 3 Vout (max) (V) 24 Iout (max) (A) 1.5 Iq (typ) (mA) 3.4 Switching frequency (max) (kHz) 525 Features Enable/Shutdown, Integrated Switch, Soft Start, Thermal shutdown
Number of channels 1 Topology Boost, SEPIC Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Vout (min) (V) 3 Vout (max) (V) 24 Iout (max) (A) 1.5 Iq (typ) (mA) 3.4 Switching frequency (max) (kHz) 525 Features Enable/Shutdown, Integrated Switch, Soft Start, Thermal shutdown
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • Space-Saving SOT-23 and WSON Packages
  • Input Voltage From 2.7 V to 5.5 V
  • Output Voltage From 3 V to 24 V
  • 2.8-A (Typical) Switch Current Limit
  • High Switching Frequency
    • 525 KHz (LM3410Y)
    • 1.6 MHz (LM3410X)
  • 170-mΩ NMOS Switch
  • 190-mV Internal Voltage Reference
  • Internal Soft Start
  • Current-Mode, PWM Operation
  • Thermal Shutdown
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • Space-Saving SOT-23 and WSON Packages
  • Input Voltage From 2.7 V to 5.5 V
  • Output Voltage From 3 V to 24 V
  • 2.8-A (Typical) Switch Current Limit
  • High Switching Frequency
    • 525 KHz (LM3410Y)
    • 1.6 MHz (LM3410X)
  • 170-mΩ NMOS Switch
  • 190-mV Internal Voltage Reference
  • Internal Soft Start
  • Current-Mode, PWM Operation
  • Thermal Shutdown

The LM3410 and LM3410-Q1 constant current LED driver are a monolithic, high frequency, PWM DC-DC converter, available in 6-pin WSON, 8-pin MSOP-PowerPad™, and 5-pin SOT-23 packages. With a minimum of external components the LM3410 and LM3410-Q1 are easy to use. It can drive 2.8-A (typical) peak currents with an internal 170-mΩ NMOS switch. Switching frequency is internally set to either 525 kHz or 1.6 MHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 88% are easy to achieve. External shutdown is included, featuring an ultra-low standby current of 80 nA. The LM3410 and LM3410-Q1 use current-mode control and internal compensation to provide high-performance over a wide range of operating conditions. Additional features include PWM dimming, cycle-by-cycle current limit, and thermal shutdown.

The LM3410 and LM3410-Q1 constant current LED driver are a monolithic, high frequency, PWM DC-DC converter, available in 6-pin WSON, 8-pin MSOP-PowerPad™, and 5-pin SOT-23 packages. With a minimum of external components the LM3410 and LM3410-Q1 are easy to use. It can drive 2.8-A (typical) peak currents with an internal 170-mΩ NMOS switch. Switching frequency is internally set to either 525 kHz or 1.6 MHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 88% are easy to achieve. External shutdown is included, featuring an ultra-low standby current of 80 nA. The LM3410 and LM3410-Q1 use current-mode control and internal compensation to provide high-performance over a wide range of operating conditions. Additional features include PWM dimming, cycle-by-cycle current limit, and thermal shutdown.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LM3410, LM3410-Q1 525-kHz and 1.6-MHz, Constant-Current Boost and SEPIC LED Driver With Internal Compensation datasheet (Rev. H) PDF | HTML 31.08.2016
Anwendungshinweis AN-1656 Design Challenges of Switching LED Drivers (Rev. A) 03.05.2013

Design und Entwicklung

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Evaluierungsplatine

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This evaluation board showcases the LM3410X as a boost LED driver. It is designed to drive four, on-board LEDs (VOUT = 11.4V) in series at an average LED current (ILED) of 190mA. The circuit can accept an input voltage of 3.3V-5.5V. The switching frequency of the LM3410X converter is 1.6MHz (...)

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Evaluierungsplatine

LM3410XSDSEPEV — LM3410XSD SEPIC-LED mit hoher Helligkeit – Evaluierungsplatine

The demo board included in this shipment converts 2.7V to 5.5V input, and illuminates a 320 mA HB/OLED using the LM3410X 1.6MHz LED driver switching converter. This is a 2-layer board using the bottom layer as a Ground plane.

The above restrictions for the input voltage are valid only for the demo (...)

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