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AP2406ES5-1.8 fiches techniques PDF

Chipown - 600mA Synchronous Step-Down Converter

Numéro de référence AP2406ES5-1.8
Description 600mA Synchronous Step-Down Converter
Fabricant Chipown 
Logo Chipown 





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AP2406ES5-1.8 fiche technique
Chipown
AP2406
AP2406
1.5Mhz, 600mA Synchronous
Step-Down Converter
Description
The AP2406 is a 1.5Mhz constant frequency, slope
compensated current mode PWM step-down converter.
The device integrates a main switch and a synchronous
rectifier for high efficiency without an external Schottky
diode. It is ideal for powering portable equipment that
runs from a single cell lithium-Ion (Li+) battery. The
AP2406 can supply 600mA of load current from a 2.5V
to 5.5V input voltage. The output voltage can be
regulated as low as 0.6V. The AP2406 can also run at
100% duty cycle for low dropout operation, extending
battery life in portable system. Idle mode operation at
light loads provides very low output ripple voltage for
noise sensitive applications.
The AP2406 is offered in a low profile (1mm) 5-pin,
thin SOT package, and is available in an adjustable
version and fixed output voltage of 1.2V, 1.5V and 1.8V
Applications
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
Wireless and DSL Modems
PDAs
MP3 Player
Digital Still and Video Cameras
Portable Instruments
Features
High Efficiency: Up to 96%
1.5Mhz Constant Switching Frequency
600mA Output Current at VIN=3V
Integrated Main switch and synchronous rectifier.
No Schottky Diode Required
2.5V to 5.5V Input Voltage Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Low Quiescent Current: 300µA
Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
Short Circuit Protection
Thermal Fault Protection
<1uA Shutdown Current
Space Saving 5-Pin Thin SOT23 package
Typical Application
Figure 1. Basic Application Circuit with
AP2406 adjustable version
1

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