| 品牌：ALLEGRO MICROSYSTEMS | 型号：EUP3482 | 功率：50w |
EUP3482
DS3482 Ver1.0 Oct. 2009
1 2A, 30V, 340KHz Synchronous
Step-Down Converter
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 1碌A 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
FEATURES
z 2A Output Current
z 35V Input Surge Protection
z Integrated 175m鈩�/125m鈩� DMOS Switches z 4.5V to 30V Input Operating Range z Output Adjustable from 0.923V to 12V z Up to 93% Efficiency z 1碌A Shutdown Current z Fixed 340KHz Frequency z Programmable Soft-Start
z Thermal Shutdown and Overcurrent Protection z Input Supply Overvoltage and Undervoltage Lockout
z Available in SOP-8 Package
z
RoHS Compliant and *** Lead(Pb)-Free Halogen-Free
APPLICATIONS
z Distributed Power Systems z Networking Systems z PC Monitors
z
Portable Electronics
