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PDF VRG8684 Datasheet ( Hoja de datos )

Número de pieza VRG8684
Descripción Voltage Regulator
Fabricantes Aeroflex Circuit Technology 
Logotipo Aeroflex Circuit Technology Logotipo

Total 6 Páginas
		
VRG8684 Hoja de datos, Descripción, Manual
Standard Products
VRG8684
Voltage Regulator, 3.0 Amp, Positive
Low Dropout (LDO), Adjustable
Radiation Tolerant
www.aeroflex.com/voltreg
October 2, 2012
FEATURES
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.
3
ADJ
1 VOUT
RH1084
Positive
Regulator
VIN
2
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC
SCD8684 Rev C

1 page

VRG8684 pdf
23
1
NOTE: Package & Lid are electrically isolated from signal pads.
FIGURE 6 – VRG8684 PACKAGE OUTLINE — SURFACE MOUNT
SCD8684 Rev C 10/2/12
5
Aeroflex Plainview

5 Page



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