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LM2694

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LM2694

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Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 30 Vin (min) (V) 8 Vout (max) (V) 24 Vout (min) (V) 2.5 Features Enable, Overcurrent protection Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0017 Duty cycle (max) (%) 93
Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 30 Vin (min) (V) 8 Vout (max) (V) 24 Vout (min) (V) 2.5 Features Enable, Overcurrent protection Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0017 Duty cycle (max) (%) 93
WSON (DSC) 10 9 mm² (3 mm × 3 mm) TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm)
  • Integrated N-Channel Buck Switch
  • Integrated Start-Up Regulator
  • Input Voltage Range: 8V to 30V
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Load Current and Input Voltage Variations
  • Maximum Duty Cycle Limited During Start-Up
  • Adjustable Output Voltage
  • Valley Current Limit At 0.6A
  • Maximum Switching Frequency: 1 MHz
  • Precision Internal Reference
  • Low Bias Current
  • Highly Efficient Operation
  • Thermal Shutdown

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  • Integrated N-Channel Buck Switch
  • Integrated Start-Up Regulator
  • Input Voltage Range: 8V to 30V
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Load Current and Input Voltage Variations
  • Maximum Duty Cycle Limited During Start-Up
  • Adjustable Output Voltage
  • Valley Current Limit At 0.6A
  • Maximum Switching Frequency: 1 MHz
  • Precision Internal Reference
  • Low Bias Current
  • Highly Efficient Operation
  • Thermal Shutdown

All trademarks are the property of their respective owners.

The LM2694 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient, buck bias regulator capable of supplying 0.6A to the load. This buck regulator contains an N-Channel Buck Switch, and is available in the 3 x 3 thermally enhanced WSON-10 package and a TSSOP-14 package. The feedback regulation scheme requires no loop compensation, results in fast load transient response, and simplifies circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The valley current limit results in a smooth transition from constant voltage to constant current mode when current limit is detected, reducing the frequency and output voltage, without the use of foldback. Additional features include: VCC under-voltage lockout, thermal shutdown, gate drive under-voltage lockout, and maximum duty cycle limiter.

The LM2694 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient, buck bias regulator capable of supplying 0.6A to the load. This buck regulator contains an N-Channel Buck Switch, and is available in the 3 x 3 thermally enhanced WSON-10 package and a TSSOP-14 package. The feedback regulation scheme requires no loop compensation, results in fast load transient response, and simplifies circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The valley current limit results in a smooth transition from constant voltage to constant current mode when current limit is detected, reducing the frequency and output voltage, without the use of foldback. Additional features include: VCC under-voltage lockout, thermal shutdown, gate drive under-voltage lockout, and maximum duty cycle limiter.
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* Datenblatt LM2694 30V, 600 mA Step Down Switching Regulator datasheet (Rev. A) 05.04.2013

Design und Entwicklung

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WSON (DSC) 10 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian
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