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  4. Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438 (Monolithic Power Systems, Inc.)
Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438-MP3438
Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438-Monolithic Power Systems, Inc.

Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP3438 is an integrated boost converter with a fixed frequency of 1.2MHz and wide input voltage (VIN) width. The MP3438 starts from VIN as low as 2.7V and supports up to 2A switching current limit with an integrated low on-resistance (RDS (ON) ) power MOSFET. The MP3438 employs constant off-time (COT) control to achieve fast transient response. Cycle-by-cycle current limiting in the low-side MOSFET (LS-FET) prevents current runaway, and the high-side MOSFET (HS-FET) eliminates the need for an external Schottky diode. MP3438 supports automatic pass-through function when VIN exceeds the set output voltage (VOUT-SET). This feature supports high efficiency even when the input exceeds the regulated output. Protection features include programmable VIN, undervoltage lockout (UVLO), and overtemperature protection (OTP). The MP3438 is available in a SOT583 (1.6mm x 2.1mm) package.

■Features and benefits

・Start-up input voltage (VST) from 2.7V to 16V ・0.8V to 16V operating input voltage (VIN) ・Output voltage (VOUT) up to 16V ・2A switching current limit ・From 3.3V VIN to 12V/0.3A, efficiency over 91% ・1.2 MHz fixed switching frequency (fSW) ・Adaptive constant off-time (COT) control for fast transient response ・Power saving mode (PSM) under light load ・If VIN > set output voltage (VOUT-SET), automatic pass-through mode ・Internal soft start (SS) and compensation ・Configurable undervoltage lockout (UVLO) and hysteresis ・Overtemperature protection (OTP) and overvoltage protection (OVP) ・Provided in SOT583 (1.6mm x 2.1mm) package

■Available product numbers

・MP3438GTL-Z MP3438GTL-P ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438

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1 Models of Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438

Image Part Number Price (excluding tax) Down Mode Input/Output Disconnect Iq (typ) (mA) Isw Limit (typ) (A) P.G. Regulated Outputs SS Vfb (V) Vout (max) (V) Vout (min) (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Synchronous 2A, 16V, high efficiency, integrated function, synchronous boost converter MP3438-Part Number-MP3438

MP3438

Available upon quote

No

No

0.3

2

No

1

Internal

1

16

2.7

1,400

Catalog

SOT583

16

2.7

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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