PWM5032

Standard Products PWM5032 RadHard High Speed PWM Controller Radiation Tolerant www.aeroflex.com/PWM April 22, 2010 FEATURES ❑ Radiation performance - Total dose 1 Mrad (Si), Dose rate = 50 - 300 rads(Si)/s - SEL: Immune to 100 MeV-cm2/mg - SEU: Immune up to 20 MeV-cm2/mg (Upsets found were benign and non-stressful to the PWM or supporting electronic components) ❑ CMOS low power design ❑ Sleep & enable control lines ❑ Optimized for applications: buck, boost, flyback, forward and center tapped push-pull converters ❑ Supports current mode or voltage mode operations ❑ Selectable 50% / 100% duty cycle ❑ Under-Voltage lockout with hysteresis ❑ Dual ±1Amp peak totem pole outputs ❑ 1 MHz maximum – user selectable ❑ Low RO error amp ❑ Auxiliary op amp with shut down pin ❑ Power OK indicator ❑ PWM5034 - Same as PMW5032 except straight leads ❑ Designed for commercial, aerospace and high reliability space applications ❑ Ceramic 24-lead, hermetic package, .6L x .3W x .13H - PWM5032 Gull Wing leads - PWM5034 Straight leads - Weight: 1.2 g max ❑ Evaluation board available for test and evaluation. See Aeroflex Application Note AN5031-1 ❑ Available on DSCC SMD 5962-06251 NOTE: Aeroflex Plainview does not currently have a DSCC Certified Radiation Hardened Assurance Program Developed in Partnership with JHU/APL and the Technology Application Group for the Mars Technology Program; Part of NASA’s Mars Exploration Program OVERVIEW AND GENERAL OPERATION The chip is a fixed frequency Pul...