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TEXAS INSTRUMENTS  TPS5420D  DC-DC Switching Step Down Regulator, Adjustable, 5.5V-36Vin, 1.22V-31Vout, 2Aout, SOIC-8

TEXAS INSTRUMENTS TPS5420D

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Product Overview

The TPS5420D is a High-output-current PWM Converter integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, over-current limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.
  • Up to 2A continuous (3A peak) output current
  • High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
  • Wide output voltage range, adjustable down to 1.22V with 1.5% initial accuracy
  • Internal compensation minimizes external parts count
  • Fixed 500kHz switching frequency for small filter size
  • Improved line regulation and transient response by input voltage feed forward
  • System protected by overcurrent limiting, over voltage protection and thermal shutdown
  • Green product and no Sb/Br

Applications

Consumer Electronics; Industrial; Audio; Automotive; Power Management
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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Product Information

Input Voltage Min:
5.5V
Input Voltage Max:
36V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
2A
Output Voltage Min:
1.22V
Output Voltage Max:
31V
Switching Frequency:
500kHz
Topology:
Buck (Step Down)
Operating Temperature Max:
125°C
Packaging:
Cut Tape
MSL:
MSL 2 - 1 year
Operating Temperature Min:
-40 °C
Primary Input Voltage:
36 V
SVHC:
No SVHC (15-Jun-2015)
Output Voltage:
31 V

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Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
Product Traceability
RoHS Compliant:
Yes

Applications

  • Consumer Electronics;
  • Industrial;
  • Audio;
  • Automotive;
  • Power Management

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