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LT3980EDE#TRPBF

Conv DC-DC 3.6V to 58V Synchronous Step Down Single-Out 0.79V to 57.42V 2A 14-Pin DFN EP T/R

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概要 LT3980EDE#TRPBF

The LT3980 is an adjustable frequency (100kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 58V (80V transient). A high efficiency 200mΩ switch is included on the die along with a boost Schottky diode and the necessary oscillator, control, and logic circuitry. Current mode topology is used for fast transient response and good loop stability. Catch diode current sense (DA pin) protects the circuit during input voltage transients even when a high switching frequency is used. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping output ripple below 15mV in a typical application. In addition, the LT3980 can further enhance low output current efficiency by drawing bias current from the output when VOUT is above 3V. Shutdown reduces input supply current to less than 1μA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good flag signals when VOUT reaches 91% of the programmed output voltage. The LT3980 is available in 16-pin MSOP and 3mm × 4mm DFN packages with exposed pads for low thermal resistance.

主な特長

  • Simplified Power Supply Design
  • High Efficiency: Up to 90% Efficient at Full Load Conditions
  • Compact Size: 8mm × 9mm QFN Package
  • Thermal Protection: Prevents Overheating and Damage
  • Safe Operating Area: Up to 24V Input Voltage
  • Fault Tolerant: Can Continue Operating with Faulty Outputs

応用

  • Robotics System Power Regulation
  • Home Automation Voltage Control
  • Smart Grid Energy Management

仕様

以下は、選択された部品の特性やカテゴリーに関する基本的なパラメータである。

Product Category Switching Voltage Regulators RoHS Details
Output Voltage 790 mV to 57.42 V Output Current 2 A
Input Voltage, Max 58 V Number of Outputs 1 Output
Topology Buck Package / Case DFN-14
Mounting Style SMD/SMT Switching Frequency 2.25 MHz
Quiescent Current 85 uA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Series LT3980
Input Voltage, Min 3.6 V Brand Analog Devices
Development Kit DC1476A Input Voltage 3.6 V to 58 V
Operating Supply Current 35 uA Product Type Switching Voltage Regulators
Shutdown Shutdown Factory Pack Quantity 2500
Subcategory PMIC - Power Management ICs Type Step Down Switching Regulator

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    部品の品質保証: 365 日

    返品・返金：90日以内

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