VRG8684 datasheet(1/6 Pages) AEROFLEX

Part #	VRG8684

Description	Voltage Regulator, 3.0 Amp, Positive Low Dropout (LDO), Adjustable Radiation Tolerant

PDF	6 Pages

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Manufacturer	AEROFLEX [Aeroflex Circuit Technology]

Direct Link	http://www.aeroflex.com

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SCD8684 Rev C

❑ Manufactured using

Space Qualified RH1084 die

❑ Radiation performance

- Total dose:

100 krads(Si), Dose rate = 50 - 300 rads(Si)/s

❑ 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 Ceramic

- SMD-0.5 Surface mount

- 3 Pads, .400"L x .296"W x .120"Ht

- Power package

- Weight - 2 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 VRG8684 consists of a Positive Adjustable (RH1084) LDO voltage regulator capable of

supplying 3.0Amps over the output voltage range as defined under recommended operating conditions. The VRG8684

offers excellent line and load regulation specifications and ripple rejection.

The VRG8684 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 VRG8684 has been specifically designed to meet exposure to radiation environments and is configured for a

SMD-0.5 SMT power package. It is guaranteed operational from -55°C to +125°C. Available screened in accordance

with MIL-PRF-38534, the VRG8684 is ideal for demanding military and space applications.

Dropout (VIN - VOUT) decreases at lower load currents.

Radiation Tolerant

FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC

October 2, 2012

www.aeroflex.com/voltreg

Standard Products

FEATURES

VRG8684

Voltage Regulator, 3.0 Amp, Positive

Low Dropout (LDO), Adjustable

2

VIN

ADJ

VOUT

3

1

RH1084

Positive

Regulator

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