GS-R4840N 44W NEGATIVE SWITCHING REGULATOR Vin Vout Iout -43 to -60 V 40 V 1,08 A Type GS-R4840N DESCRIPTION The GS-R4840N is a negative input, negative output switching voltage regulator that can provide up to 44W output power without input to output isolation. ELECTRICAL CHARACTERISTICS (Tamb.= 25° C unless otherwise specified) Symbol Parameter Test Conditions Vi Input Voltage Io = 1.08A Vni Input noise (CCITTP53) Vi = -48V Io = 1A li Input Current Vi = -48V Io = 1.08A Vo Output Voltage Vi = -43 to -60V Io = 0 to 1.08A Vor Output Ripple Voltage Vi = -48V Io = 1.08A Vno Output noise (CCITTP53) Vi = -48V Io = 1A Iosc Output Current Limit Vi = -48V fs Switching Frequency η Efficiency Vi= -48V Min Typ Max Unit -43 -48 -60 V 1 mV -38.5 Io = 1.08A -40.5 -1 A -42.5 V 100 mVpp 1 mV -1.6 A 50 kHz 93 % Top Operating Temperature Range 0 +70 °C Tstg Storage Temperature Range -20 +85 °C December 1993 1/2 GS-R4840N CONNECTION DIAGRAM AND MECHANICAL DATA Package H. Dimensions in mm. Note: Pins 1 and 4 are internally connected Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics – All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 2/2