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PDF EUP3423 Data sheet ( Hoja de datos )
| Número de pieza | EUP3423 | |
| Descripción | Synchronous Step-Down Converter | |
| Fabricantes | Eutech Microelectronics | |
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EUP3423
3.2A, Synchronous Step-Down Converter
DESCRIPTION
The EUP3423 is a 1 MHz fixed frequency synchronous,
current-mode, step-down dc-dc converter capable of
providing up to 3.2A output current. The EUP3423
operates from an input range of 2.7V to 5.5V and
provides a regulated output voltage from 0.8V to 5V.
The internal synchronous power switch improves
efficiency and eliminates the need for an external
Schottky diode. Forced PWM operation provides very
low output ripple voltage for noise sensitive
applications.
The EUP3423 features short circuit and thermal
protection circuits to improve system reliability.
Externally adjustable soft-start avoids input inrush
current during startup. The EUP3423 is available in
SOP-8 (EP) package.
FEATURES
2.7V to 5.5V Input Voltage Range
High Efficiency up to 96%
3.2A Available Load Current
100/60mΩ Integrated PFET/NFET Switches
1MHz Switching Frequency
100% Duty Cycle Low Dropout Operation
Short Circuit and Thermal Protection
Integrated UVLO
Excellent Line and Load Transient Response
Available in SOP-8(EP) Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
High Performance DSPs, FPGAs, ASICs and
Microprocessors
Base Station, Telecom, and Networking
Equipment Power Supplies
ePC and NetPCs
Typical Application Circuit
DS3423 Ver1.1 May 2012
Figure1. Typical Application Circuit
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1 page  
Typical Operating Characteristics
Unless otherwise specified: CIN=10µF, COUT=22µF, L=2.2µH, TA=25°C.
EUP3423
DS3423 Ver1.1 May 2012
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EUP3423.PDF ] | |
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