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MP21148

1A Synchronous Step-down Converter with CCM

アクティブ

Datasheet

概要

The MP21148 is a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs. It can achieve 1A of continuous output current from a 2.3V-to-5.5V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.6V.
The constant-on-time control scheme in forced CCM provides a fast transient response, low output voltage ripple, and eases loop stabilization. Fault protections include cycle-by-cycle current limiting and thermal shutdown.
The MP21148 is available in an ultra-small QFN-6 (1.0mmx1.5mm) package and requires a minimal number of readily available, standard, external components.
The MP21148 is ideal for a wide range of applications including high-performance DSPs, wireless power, portable and mobile devices, and other low-power systems.

機能と利点

2.4MHz Switching Frequency
EN for Power Sequencing
Power Good Only for Fixed Output Version
Wide 2.3V-to-5.5V Operating Input Range
Output Adjustable from 0.6V
Up to 1A of Output Current
120mΩ and 80mΩ Internal Power MOSFET Switches
Output Discharging
100% Duty Cycle
Short-Circuit Protection (SCP) with Hiccup Mode
Stable with Low ESR Output Ceramic Capacitors
Available in a QFN-6 (1.0mmx1.5mm) Package
Continuous Conduction Mode (CCM)

Evaluation Tools

EV21148-QD-00B Evaluation Kit 1A Synchronous Step-down Converter in Ultra-small 1x1.5mm QFN

The MP21148 is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs. It achieves 1A continuous output current from a 2.3V-to-5.5V input voltage with excellent load and line regulation. The output voltage can be regulated to as low as 0.6V.

The Constant-On-Time control scheme provides fast transient response and eases loop stabilization. Fault protections include cycle-by-cycle current limiting and thermal shutdown.

The MP21148 is available in an ultra-small QFN-6 (1.0mmx1.5mm) package and requires a minimal number of readily available standard external components.

The MP21148 is ideal for a wide range of applications including high performance DSPs, wireless power, portable and mobile devices, and other low-power systems.

￥2,716.25
+ tax