eup3482 Eutech Microelectronics Inc, eup3482 Datasheet
eup3482
Manufacturer Part Number
eup3482
Description
2a, 30v, 340khz Synchronous Step-down Converter
Manufacturer
Eutech Microelectronics Inc
Datasheet
1.EUP3482.pdf
(1 pages)
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DESCRIPTION
The EUP3482 is a synchronous current mode buck
regulator capable of driving 2A continuous load current
with excellent line and load regulation. The EUP3482
can operate with an input range 4.5V to 30V and the
output can be externally set from 0.923V to 12V with a
resistor divider.
Fault condition protection includes cycle-by-cycle
current limiting and thermal shutdown. In shutdown
mode the regulator draws 1µA of supply current.
Programmable soft-start minimizes the inrush supply
current and the output overshoot at initial startup.
The EUP3482 require a minimum number of external
components.
Typical Application Circuit
DS3482 Ver1.0 Oct. 2009
2A, 30V, 340KHz Synchronous
Figure 1. 12V to 3.3V/5V Application Circuit
1
FEATURES
APPLICATIONS
Step-Down Converter
2A Output Current
35V Input Surge Protection
Integrated 175mΩ/125mΩ DMOS Switches
4.5V to 30V Input Operating Range
Output Adjustable from 0.923V to 12V
Up to 93% Efficiency
1µA Shutdown Current
Fixed 340KHz Frequency
Programmable Soft-Start
Thermal Shutdown and Overcurrent Protection
Input Supply Overvoltage and Undervoltage
Lockout
Available in SOP-8 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
Distributed Power Systems
Networking Systems
PC Monitors
Portable Electronics
EUP3482
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