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VRG8687 Datasheet(PDF) 1 Page - Aeroflex Circuit Technology |
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VRG8687 Datasheet(HTML) 1 Page - Aeroflex Circuit Technology |
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1 / 7 page  SCD8687 Rev C ❑ Manufactured using Space Qualified RH1084 die ❑ Radiation performance - Total dose > 100 krad (Si), Dose rate = 50 - 300 rads(Si)/s ❑ Two-Independent voltage regulators ❑ Thermal shutdown ❑ Output voltage adjustable: 1.25V to 23V ❑ Dropout voltage: 1.80V at 3.0Amps ❑ 3-Terminal ❑ Output current: 3.0Amps ❑ Voltage reference: 1.25V +2%, -3.2% ❑ Load regulation: 0.35% max ❑ Line regulation: 0.25% max ❑ Ripple rejection: >60dB ❑ Packaging – Hermetic metal - Thru-hole or Surface mount - 8 Leads, .755"L x .415"W x .200"Ht - Power package - Weight - 6 gm max ❑ Designed for aerospace and high reliability space applications DESCRIPTION The Aeroflex Plainview VRG8687/8688 consists of two Positive Adjustable (RH1084) LDO voltage regulators each capable of supplying 3.0Amps over the output voltage range as defined under recommended operating conditions. The VRG8687/8688 offers excellent line and load regulation specifications and ripple rejection. There is full electrical isolation between the regulators and each regulator to the package. The VRG8687/8688 serves a wide variety of applications including SCSI-2 Active Terminator, High Efficiency Linear Regulators, Post Regulators for Switching Supplies, Constant Current Regulators, Battery Chargers and Microprocessor Supply. The VRG8687/8688 has been specifically designed to meet exposure to radiation environments. The VRG8687 is configured for a Thru-Hole 8 lead metal power package and the VRG8688 is configured for a Surface Mount 8 lead metal power package. It is guaranteed operational from -55°C to +125°C. Available screened in accordance with MIL-PRF-38534, the VRG8687/8688 is ideal for demanding military and space applications. Dropout (VIN - VOUT) decreases at lower load currents for both regulators. Radiation Tolerant FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC April 9, 2014 www.aeroflex.com/voltreg Standard Products FEATURES VRG8687/VRG8688 Dual Voltage Regulator, 3.0 Amp, Positive 4 VIN_2 ADJ_2 VOUT_2 5 8 VIN_1 ADJ_1 VOUT_1 1 2 6 RH1084 Positive Regulator RH1084 Positive Regulator Low Dropout (LDO), Adjustable 3 7 SENSE_2 SENSE_1 ❑ Aeroflex Plainview’s Radiation Hardness Assurance Plan is DLA Certified to MIL-PRF-38534, Appendix G. Datasheet |
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