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PDF VRG8653 Datasheet ( Hoja de datos )

Número de pieza VRG8653
Descripción Voltage Regulator
Fabricantes Cobham Semiconductor 
Logotipo Cobham Semiconductor Logotipo

Total 11 Páginas
		
VRG8653 Hoja de datos, Descripción, Manual
Voltage Regulator
VRG8653/54
Dual 3A LDO Adjustable Positive/Negative Voltage Regula-
tor
Released Datasheet
Cobham.com/HiRel
The most important thing we build is trust
FEATURES
Manufactured using
Space Qualified RH1084 and RH1185 die
Radiation performance
- Total dose > 100 krad(Si)
Packaging – Hermetic metal
– Thru-hole or Surface mount
Two-Independent voltage regulators
Thermal shutdown
Adjustable Output Voltages
– 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
Radiation Hardness Assurance Plan: DLA Certified to MIL-PRF-38534, Appendix G.
DESCRIPTION
The 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.
13
ADJ
RH1084
7 VOUT
VOUT
VIN
RH1185
RF
4
2
FB 6
VIN GND
SCD8653
Rev E
85
Positive
Negative
Regulator
Regulator
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC
1 Cobham Semiconductor Solutions
www.cobham.com/HiRel

1 page

VRG8653 pdf
FIGURE 3 – RH1084 DROPOUT VOLTAGE
TYPICAL CURVE
FIGURE 4 – RH1185 DROPOUT VOLTAGE
TYPICAL CURVE
See Note 1/, pg 3.
FIGURE 5 – RH1084 SHORT CIRCUIT CURRENT
FIGURE 6 – RH1185 INTERNAL CURRENT LIMIT
SCD8653
Rev E 3/24/2016
5 Cobham Semiconductor Solutions
www.cobham.com/HiRel

5 Page

VRG8653 arduino
Datasheet Definition
Advanced Datasheet - Product In Development
Preliminary Datasheet - Shipping Prototype
Datasheet - Shipping QML & Reduced Hi-Rel
For detailed performance characteristic curves, applications information and typical applications, see the latest
datasheets for their RH1084 & RH1185, which are available on-line at www.linear.com.
LT, LTC, Linear Technology and the Linear logo are registered trademarks and RH1084 & RH1185 are copyright Linear Technology Corporation.
EXPORT CONTROL:
This product is controlled for export under the Export Administration Regulations (EAR), 15 CFR Parts 730-774.
A license from the Department of Commerce may be required prior to the export of this product from the United States.
Cobham Semiconductor Solutions
35 S. Service Road
Plainview, NY 11803
E: info-ams@cobham.com
T: 800 645 8862
Aeroflex Plainview Inc., DBA Cobham Semiconductor Solutions, reserves the right to make changes to any products and services described herein
at any time without notice. Consult Aeroflex or an authorized sales representative to verify that the information in this data sheet is current before
using this product. Aeroflex does not assume any responsibility or liability arising out of the application or use of any product or service described
herein, except as expressly agreed to in writing by Aeroflex; nor does the purchase, lease, or use of a product or service from Aeroflex convey a
license under any patent rights, copyrights, trademark rights, or any other of the intellectual rights of Aeroflex or of third parties.
SCD8653
Rev E 3/24/2016
11 Cobham Semiconductor Solutions
www.cobham.com/HiRel

11 Page


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