降压IC MT2492.PDF
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2021-03-04
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AEROSEMI
MT2492
Aerosemi Technology Co., Ltd
1
600KHz, 16V，2A Synchronous
Step-Down Converter
FEATURES
High Efficiency: Up to 96%
600KHz Frequency Operation
2A Output Current
No Schottky Diode Required
4.5V to 16V Input Voltage Range
0.6V Reference
Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
Integrated internal compensation
Stable with Low ESR Ceramic Output
Capacitors
Over Current Protection with Hiccup-Mode
Thermal Shutdown
Inrush Current Limit and Soft Start
Available in SOT23-6 Package
-40°C to +85°C Temperature Range
APPLICATIONS
Distributed Power Systems
Digital Set Top Boxes
Flat Panel Television and Monitors
Wireless and DSL Modems
Notebook Computer
The MT2492 is a fully integrated, high– efficiency 2A
synchronous rectified step-down converter. The
MT2492 operates at high efficiency over a wide output
current load range.
This device offers two operation modes, PWM control
and PFM Mode switching control, which allows a high
efficiency over the wider range of the load.
The MT2492 requires a minimum number of readily
available standard external components and is
available in an 6-pin SOT23 ROHS compliant package.
TYPICAL APPLICATION
Figure 1. Basic Application Circuit
GENERAL DESCRIPTION
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