Eutech Microelectronics EUP3451
The EUP3451 is current mode, step-down switching regulator capable of driving 3A continuous load with excellent line and load regulation. The EUP3451 can operate with an input voltage range from 4.5V to 30V and the output can be externally set from 0.8V to 12V with a resistor divider. The EUP3451 require a minimum number of external components.| Part No. | EUP3451 |
|---|---|
| Datasheet | EUP3451 Download |
| Manufacturer |  Eutech Microelectronics |
| Description | 500KHz Step-Down Converter |
| Buy | Stock & Price |
DESCRIPTION
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.FEATURES
z 35V Input Surge Protection z 3A Output Current z 0.135 Internal DMOS Output Switch z 4.5V to 30V Input Operating Range z Output Adjustable from 0.8V to 12V z Up to 95% Efficiency z 1µA Shutdown Current z Fixed 500KHz Frequency z Thermal Shutdown and Overcurrent Protection z Input Supply Overvoltage and Undervoltage Lockout z Available SOP-8 Package z RoHS Compliant and 100% Lead(Pb)-FreeAPPLICATIONS
z PC Monitors z Distributed Power Systems z Networking Systems z Portable Electronics Typical Application Circuit DS3451 Ver1.0 June 2009 Figure 1. 12V to 3.3V/5V Application Circuit 1 Typical Application Circuit (continued) EUP3451 Pin Configurations Package Type Figure 2. 24V to 3.3V/5V Application Circuit Pin Configurations SOP-8 PinDESCRIPTION
Pin Name SOP-8 BS 1 IN 2 SW 3 GND 4 FB 5 COMP 6 EN 7 SS 8DESCRIPTION
High-Side Gate Driver Boostrap Supply.
