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PDF VRG8667 Datasheet ( Hoja de datos )

Número de pieza VRG8667
Descripción Dual Voltage Regulator
Fabricantes Aeroflex Circuit Technology 
Logotipo Aeroflex Circuit Technology Logotipo

Total 7 Páginas
		
VRG8667 Hoja de datos, Descripción, Manual
Standard Products
Datasheet
VRG8667/VRG8668
Dual Voltage Regulator, 1.0 Amp, Positive
Ultra Low Dropout (ULDO), Adjustable
Radiation Tolerant
www.aeroflex.com/voltreg
March 17, 2014
FEATURES
Manufactured using
Space Qualified RH3080 die
Radiation performance
Total dose: 100 krads(Si), Dose rate = 50 - 300 rads(Si)/s
ELDRS:
50 krads(Si), Dose rate < 0.01 rads(Si)/s
Two-Independent voltage regulators
Current Limit with Foldback
Over-temperature protection
Output voltage adjustable: 0V to 36V
Outputs may be paralleled for higher current
Post Radiated Dropout voltage:
0.60V @ 1.0Amps
0.39V @ 0.5Amps
Output current: 1.0Amps
Packaging – Hermetic Meter Power Package
Thru-hole or Surface mount
8 Leads, .755"L x .415"W x .200"Ht
Weight - 6 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 VRG8667/8668 consists of two Positive Adjustable (RH3080) ULDO voltage
regulators each capable of supplying 1.0Amps over the output voltage range as defined under
recommended operating conditions. The VRG8667/8668 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 VRG8667/8668 has been specifically designed to meet exposure to radiation environments. The
VRG8667 is configured for a Thru-Hole 8 lead metal power package and the VRG8668 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 VRG8667/8668 is ideal for demanding military and
space applications.
Dropout (VIN - VOUT) decreases at lower load currents for both regulators.
For detailed performance characteristic curves, applications information and typical applications see the
latest
Linear Technology Corporation ® data sheets for their RH/LT3080, which is available
on-line at www.linear.com.
13
VCONTROL_1
VCONTROL_2
2 VIN_1
VIN_2
4
RH3080
Positive
Regulator
RH3080
Positive
Regulator
7 OUT_1
OUT_2
5
SET_1
SET_2
SCD8667 Rev C
86
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC

1 page

VRG8667 pdf
TABLE I – PIN NUMBERS vs FUNCTION
PIN FUNCTION
1 VCONTROL_1
2 VIN_1
3 VCONTROL_2
4 VIN_2
5 OUT_2
6 SET_2
7 OUT_1
8 SET_1
.090
8X
ø .010 M C B A
ø.145 THRU
2x .028
MAX.
.300
.100
.108
8765
.415
–C–
.2075
ESD/PIN 1
1 2 3 4 IDENT
R.065 TYP.
4 PLCS
.515
.632
±.003
.755
–B–
.220 MAX.
±.005
–A–
.040
Notes:
1. Dimension Tolerance: ±.005 inches
2. Package contains BeO substrate
3. Case electrically isolated
.030 DIA.
±.002
.150 REF.
2° MAX.
.720 ±.020
MEASURED
LEAD TIP
.230 MIN
.122
ø .010 B C A
ø .010 M C B A
FIGURE 6 – VRG8667 PACKAGE OUTLINE — THRU-HOLE POWER PACKAGE
SCD8667 Rev C 3/17/14
5
Aeroflex Plainview

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