VRG8691

Standard Products VRG8691/92 Adjustable 7.5A Positive LDO Regulator Radiation Tolerant www.aeroflex.com/voltreg November 12, 2013 FEATURES  Radiation performance - Total dose: 100 krads(Si), Dose rate = 50 - 300 rads(Si)/s  Output voltage adjustable: 1.0V to 3.3V  Output current: 7.5A  Dropout voltage: 0.5V at 7.5Amps  Voltage reference: 1.0V ±0.5%  Load regulation: 0.5% max  Line regulation: 0.2% max  Ripple rejection: >80dB  Enable Input - TTL / CMOS Compatible  Slow Start capability  Stable with multiple ceramic output capacitors  Packaging – Hermetic metal - Thru-hole or Surface mount - 12 Leads, 0.900"L x 1.000"W x .205"Ht - Power package - Weight - 18 gm max  Designed for aerospace and high reliability space applications  Aeroflex Plainview’s Radiation Hardness Assurance Plan is DLA Certified to MIL-PRF-38534, Appendix G. DESCRIPTION The Aeroflex Plainview VRG8691/92 is capable of supplying in excess of 7.5Amps over the output voltage range as defined under recommended operating conditions. The regulator is exceptionally easy to set-up, requiring only 2 external resistors to set the output voltage. The module design has been optimized for excellent regulation and low drop-out voltage. Figures 2 through 5 illustrate setting output voltage, setting current limits and choosing a slow start capacitor. The VRG8691/92 serves a wide variety of applications including local on-card regulation, programmable output voltage regulation or precision current regulati...