Toggle Nav
Menu
close
Select Store
EN
Cart 0
Account
Cart 0

  • Cart

  • Compare Products
Select Store
EN
Search
Search (Parametric or keywords)

Parametric Search DC-DC

Input

Output

Show 626 Results

Parametric Search Modules

Input

Output

Show 61 Results

Parametric Search BMS

Input

Output

1 cell
2 cell
3 cells
4 cells
5 cells
Show 68 Results

Parametric Search ALL

Input

Output

Show 1811 Results
code is temp removed to debug

MP3421

Active
5.5A, 600kHz High Efficiency, Synchronous Step-Up Converter with Output Disconnect
Learn about our Evaluation Kit
Talk to an Engineer or get a Quote

Datasheet (EN)

You have a basic account.
A myMPS+ account is needed.

Upgrade to myMPS+

Product Description

The MP3421 is a high-efficiency, synchronous, current?ode, step-up converter with true output disconnect. The MP3421 starts up from low input voltage (as low as 1.9V) while providing in-rush current limiting and output short-circuit protection. The integrated, P-channel synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode; the P-channel disconnects the output load from the input during shutdown. The MP3421 has 600kHz switching frequency, which accommodates small external components. In addition, its internal compensation and soft-start functions minimize external component count. The MP3421 provides a compact solution for a 5V output, 2.1A load requirement, using a supply voltage as low as 2.8V. The MP3421 is available in a 14-pin QFN 2mmx2mm package.

Product Features

  • Support 5V/2.1A Output at 2.8V Input
  • Up to 98% Efficiency
  • 1.9V to 5.5V Input Range
  • 2.5V to 5.5V Output Range
  • Internal Synchronous Rectifier
  • 600kHz Fixed-Switching Frequency
  • >5.5A Switch-Current Limit Capability
  • 43uA Quiescent Current
  • High-Efficiency over Full-Load Range
  • Internal Soft-start and Compensation
  • Output-Load Disconnect from Input
  • OCP, SCP, OVP and OTP Protection
  • Small 2x2mm QFN14 Package

Parametrics

  • Vout (min) (V)2.5
  • Vin (min) (V)1.9
  • Vin (max) (V)5.5
  • Isw Limit (typ) (A)5.5
  • Iq (typ) (mA)0.043
  • Regulated Outputs1
  • fsw (max) (kHz)600
  • Vout (max) (V)5.5
  • Vfb (V)0.807
  • PackageQFN-14 (2x2)
  • GradeCatalog
  • Special FeaturesEnable, Output Disconnect
  • SSInternal
  • Down ModeNo
  • PGNo
  • Input/Output DisconnectYes

Evaluation Kit

GET THIS KIT

Kit details

EV3421-G-00A Evaluation Board is designed to demonstrate the capability of MP3421. MP3421 is a high-efficiency, synchronous, current-mode, step-up converter with output disconnect.

The MP3421 can provide inrush current limiting and output short-circuit protection. It can work with an input voltage as low as 1.9V. The integrated P-channel synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode. The PMOS disconnects the output from the input when the part shuts down.

The 600kHz switching frequency allows for small external components, while the internal compensation and soft-start minimize the external component count. The MP3421 is available in 14-pin QFN 2mmx2mm package.

$25.00 + tax


Reference Materials