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EUP3412

Eutech Microelectronics
Part Number EUP3412
Manufacturer Eutech Microelectronics
Description Synchronous Step-Down Converter
Published Jul 17, 2014
Detailed Description EUP3412 1.5A/1.5MHz, Synchronous Step-Down Converter with Soft Start DESCRIPTION The EUP3412 is a synchronous current mo...
Datasheet PDF File EUP3412 PDF File

EUP3412
EUP3412

Overview
EUP3412 1.
5A/1.
5MHz, Synchronous Step-Down Converter with Soft Start DESCRIPTION The EUP3412 is a synchronous current mode step-down dc-dc converter, capable of driving 1.
5A load current with excellent line and load regulation.
Operating with an input voltage range between 2.
7V and 5.
5V, the device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries.
The EUP3412 operates at a fixed switching frequency of 1.
5MHz and PWM operation provides very low output ripple voltage for noise sensitive applications.
The internal integrated synchronous switch increases efficiency while eliminates the need for an external Schottky diode.
The EUP3412 is available in the 10-pin MSOP and 10-pin TDFN package.
FEATURES High Efficiency up to 96% 1.
5A Available Load Current 300µA Typical Quiescent Current 1.
5MHz Constant Switching Frequency 2.
7V to 5.
5V Input Voltage Range Adjustable Output Voltage as Low as 0.
7V 100% Duty Cycle Low Dropout Operation No Schottky Diode Required Short Circuit and Thermal Protection Excellent Line and Load Transient Response ＜1µA Shutdown Current Soft Start Function Available in MSOP-10 and TDFN-10 Package RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free APPLICATIONS Cellular and Smart Phones Portable Media Players/ MP3 Players Digital Still and Video Cameras Portable Instruments WLAN PC Cards Typical Application Circuit Figure 1.
DS3412 Ver1.
4 May 2012 1 EUP3412 Pin Configurations Package Type Pin Configurations Package Type Pin Configurations MSOP-10 TDFN-10 Note: The exposed pad must be connected GND.
Note: The exposed pad must be connected GND.
Pin Description Name EN VIN GND FB MODE SW PGND MSOP-10 1 2,3 4 5 6 7,8 9,10 TDFN-10 1 2,3 4 5 6 7,8 9,10 DESCRIPTION Chip enable pin.
Forcing this pin above 1.
5V enables the part.
Forcing this pin below 0.
3V shuts down the device.
Do not leave EN floating.
Supply voltage input.
Analog ground.
Feedback pin.
Pulling the MODE pin high allows the ...


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