Low

TPS5420D - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5.5V-36Vin, 1.22V-31Vout, 2Aout, SOIC-8

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

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Manufacturer Part No:
TPS5420D
Newark Part No.:
85K1692

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

Warnings

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.

Product Information

:
Buck (Step Down)
:
5.5V
:
36V
:
1Outputs
:
SOIC
:
8Pins
:
2A
:
1.22V
:
31V
:
500kHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 2 - 1 year
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