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TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments

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TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments

TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments
TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments

Large Image :  TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments

Product Details:
Place of Origin: N/S
Brand Name: Texas Instruments
Certification: /
Model Number: TPS54418ARTER
Payment & Shipping Terms:
Minimum Order Quantity: 1PCS
Price: Negotiation
Delivery Time: 2-7 work days
Payment Terms: T/T
Supply Ability: 9999999+PCS
Detailed Product Description
Type: Bipolar Junction Transistor Application: Audio Power Amplifier
Warranty: 90days After Shipping Transistor Type: NPN
Power - Max: 200mW
High Light:

TPS54418ARTER Bipolar Junction Transistor

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200mW Bipolar Junction Transistor

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200mW Transistor NPN PNP

NPN PNP Transistor Texas Instruments/TI TPS54418ARTER

Vin (Min) (V) 2.95
Vin (Max) (V) 6
Vout (Min) (V) 0.8
Vout (Max) (V) 4.5
Iout (Max) (A) 4
Iq (Typ) (uA) 350
Switching frequency (Min) (kHz) 200
Switching frequency (Max) (kHz) 2000
Features Enable, Frequency Synchronization, Power Good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Adjustable, Soft Start Adjustable
Operating temperature range (C) -40 to 150
Rating Catalog
Regulated outputs (#) 1

 

Features for the TPS54418A

  • Two, 30-mΩ (typical) MOSFETs for High-Efficiency at 4-A Loads
  • Switching Frequency: 200 kHz to 2 MHz
  • Voltage Reference Over Temperature: 0.8 V ± 1%
  • Synchronizes to External Clock
  • Adjustable Soft Start/Sequencing
  • UV and OV Power-Good Output
  • Low Operating and Shutdown Quiescent Current
  • Safe Start-up into Prebiased Output
  • Cycle-by-Cycle Current Limit, Thermal and Frequency Foldback Protection
  • Operating Junction Temperature Range: –40°C to +150°C
  • Thermally Enhanced 3 mm × 3 mm 16-pin WQFN Package

Description for the TPS54418A

TheTPS54418A device is a full-featured 6-V, 4-A, synchronous, step-down, current modeconverter with two integrated MOSFETs.

The TPS54418A device enables small designs by integrating the MOSFETs, implementingcurrent mode control to reduce external component count, reducing inductor size by enablingup to 2-MHz switching frequency, and minimizing the device footprint with a small, 3mm × 3 mm, thermally enhanced, QFN package.

The TPS54418A device provides accurate regulation for a variety of loads with an accurate±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated 30-mΩ MOSFETs and a 350-µA typical supplycurrent. Using the enable pin, shutdown supply current is reduced to 2 µA by entering a shutdownmode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming thethreshold with a resistor network on the enable pin. The output voltage start-up ramp is controlledby the soft-start pin. An open-drain power good signal indicates the output is within 93% to 107%of its nominal voltage. Frequency foldback and thermal shutdown protects the device during anovercurrent condition.

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