VRG8653 Datasheet, PDF (1/9 Pages) Aeroflex Circuit Technology – Dual Voltage Regulator, 3.0 Amp, Positive and Negative Low Dropout (LDO), Adjustable Radiation Tolerant

Standard Products
Datasheet
VRG8653/VRG8654
Dual Voltage Regulator, 3.0 Amp, Positive & Negative
Low Dropout (LDO), Adjustable
Radiation Tolerant
www.aeroflex.com/voltreg
April 10, 2014
FEATURES
 Manufactured using
Space Qualified RH1084 and RH1185 die
 Radiation performance
- Total dose > 100 krad (Si)
 Two-Independent voltage regulators
 Thermal shutdown
 Adjustable Output Voltages
 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
 Positive regulator features (RH1084)
– Output voltage adjustable: 1.25V to 23V
– Dropout voltage: 1.80V at 3.0A
– 3-Terminal
– Output current: 3.0A
– Voltage reference: 1.25V +2%, -3.2%
– Load regulation: 0.35% max
– Line regulation: 0.25% max
– Ripple rejection: >60dB
 Negative regulator features (RH1185)
– Output voltage adjustable: -2.37 to -25V
– Dropout voltage: 1.05V at 3.0A
– 5-Terminal
– Output current: 3.0A
– Voltage reference: -2.370V ±3.5%
– Load regulation: 0.8% max
– Line regulation: 0.02% max
– Ripple rejection: >60dB
 Aeroflex Plainview’s Radiation Hardness Assurance Plan is DLA Certified to MIL-PRF-38534, Appendix G.
DESCRIPTION
The Aeroflex Plainview VRG8653/54 consists of one Positive Adjustable (RH1084) and one Negative Adjustable
(RH1185) LDO voltage regulator, both capable of supplying 3.0Aover the output voltage range as defined under
recommended operating conditions. The VRG8653/54 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 VRG8653/54 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 VRG8653/54 has been specifically designed to meet exposure to radiation environments and is configured for a
Thru-Hole 8 lead metal power package and the VRG8654 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 VRG8653/54 is ideal for demanding military and space applications.
Dropout (VIN - VOUT) decreases at lower load currents for both regulators.
SCD8653 Rev D
1
3
ADJ
RH1084
7
VOUT
VOUT
RH1185 ^VIN
4
RF
2
FB
6
VIN
GND
8
Positive
Regulator
5
Negative
Regulator
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC