L6590A Datasheet PDF | STMicroelectronics

STMicroelectronics L6590A

The L6590A is a monolithic switching regulator designed in BCD OFF-LINE technology, able to operate with wide range input voltage and to deliver up to 15W output power. The internal power switch is a lateral power MOSFET with a typical RDS(on) of 13Ω and a V(BR)DSS of 700V minimum. The device is meant to work with secondary feedback for tight tolerance of the regulated output voltage.

Part No.	L6590A
Datasheet	L6590A Download
Manufacturer	STMicroelectronics
Description	FULLY INTEGRATED POWER SUPPLY
Buy	Stock & Price

APPLICATIONS

s WALL PLUG POWER SUPPLIES UP TO 15W s s

DESCRIPTION

AC-DC ADAPTERS AUXILIARY POWER SUPPLIES FOR: - CRT AND LCD MONITOR (BLUE ANGEL) - DESKTOP PC/SERVER - FAX, TV, LASER PRINTER TYPICAL APPLICATION CIRCUIT AC line 88 to 264 Vac Pout up to 15W DRAIN 1 BOK L6590A 5 3 Vcc 6, 7, 8 GND COMP 4 October 2000 1/19 L6590A

DESCRIPTION

(continued) The MOSFET is source-grounded, thus it is possible to build flyback, boost and forward converters. The internal fixed oscillator frequency and the integrated non dissipative start-up generator minimize the external component count and power consumption. The device efficiency (Pin < 1W @ Pout = 0.5W with wide range mains). Internal protections like cycle-by-cycle current limiting, latched output overvoltage protection, mains undervoltage protection and thermal shutdown generate a 'robust' design solution. The IC uses a special leadframe with the ground pins (6, 7 and 8) internally connected in order for heat to be easily removed from the silicon die.