SCD8609 Rev B
DESCRIPTION
The Aeroflex Plainview VRG8609/10 consists of two negative (RH137) voltage regulators each capable of supplying
in excess of 1.5Amps over the output voltage range as defined under recommended operating conditions. Each
regulator is exceptionally easy to set-up, requiring only 2 external resistors to set the output voltage. The module
design has been optimized for excellent regulation and low thermal transients. There is full electrical isolation between
the regulators and each regulator to the package.
Further, the VRG8609/10 features internal current limiting, thermal shutdown and safe-area compensation, making
them virtually blowout-proof against overloads. The VRG8609/10 serves a wide variety of applications including
local on-card regulation, programmable output voltage regulation or precision current regulation.
The VRG8609/10 has been specifically designed to meet exposure to radiation environments. The VRG8609 is
configured for a Thru-Hole 6 lead metal power package and the VRG8610 is configured for a Surface Mount 6 lead
metal power package. It is guaranteed operational from -55°C to +125°C. Available screened to MIL-STD-883, the
VRG8609/10 is ideal for demanding military and space applications.
For detailed performance characteristic curves, applications information and typical applications see the
latest Linear Technology Corporation ®data sheets for their RH/LT137, which is available on-line at
www.linear.com.
VRG8609/10
Radiation Tolerant
5
VIN
ADJ
VOUT
4
3
VIN
ADJ
VOUT
1
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC
September 23, 2008
www.aeroflex.com/RadHard
Standard Products
NOTE: Aeroflex Plainview does not currently have a DSCC certified Radiation Hardened Assurance Program
26
Dual Adjustable Negative Voltage Regulators
RH137
Negative
Regulator
RH137
Negative
Regulator
FEATURES
❑Manufactured using Linear Technology Corporation ® Space Qualified RH137 die
❑Radiation performance
- Total dose > 100 krad (Si)
❑Thermal shutdown
❑Output voltage adjustable: -1.2V to -27V
❑3-Terminal
❑Output current: 1.5A
❑Voltage reference: 1.25V ±4%
❑Load regulation: 0.3% max
❑Line regulation: 0.01% max
❑Ripple rejection: >66dB
❑Packaging – Hermetic metal
- Thru-hole or Surface mount
- 6 Leads, .65"w x .42"l x .200"ht
- Power package
- Weight - 5 gm max
❑Designed for aerospace and high reliability
space applications
❑DESC SMD: 5962-05219 approved
2
SCD8609 Rev B 9/23/08 Aeroflex Plainview
ABSOLUTE MAXIMUM RATINGS
PARAMETER RANGE UNITS
Operating (Junction) Temperature Range -55 to +150 °C
Lead Temperature (soldering, 10 sec) 300 °C
Storage Temperature Range -65 to +150 °C
Input-Output Voltage Differential 30 (Neg) V
Thermal Resistance (junction to case ΘJC) each, Pos. & Neg. 5°C/W
ESD Rating 1.999 1/ KV
1/ Meets ESD testing per MIL-STD-883, method 3015, Class 1C.
NOTICE: Stresses above those listed under "Absolute Maximums Rating" may cause permanent damage to the device. These are stress rating
only; functional operation beyond the "Operation Conditions" is not recommended and extended exposure beyond the "Operation
Conditions" may effect device reliability.
RECOMMENDED OPERATING CONDITIONS
PARAMETER RANGE UNITS
Output Voltage Range -1.2 to -27 VDC
Case Operating Temperature Range -55 to +125 °C
ELECTRICAL PERFORMANCE CHARACTERISTICS 1/
PARAMETER SYM CONDITIONS (P ≤PMAX)MIN MAX UNITS
Reference Voltage VREF 3V < (VIN - VOUT) < VDIFF MAX, 10mA < IOUT < IMAX -1.200 -1.300 V
Line Regulation 2/3V < (VIN - VOUT) < 30V, - 0.02 %/V
Load Regulation 2/10mA < IOUT < IMAX, VOUT < 5V
10mA < IOUT < IMAX, VOUT > 5V
-
-
25
0.5
mV
%
Thermal Regulation IOUT = 1.5A, (VIN - VOUT) = 13.3V, 20ms Pulse, 20W,
TC = +25°C -0.02%/W
Ripple Rejection V
OUT = -10V, f = 120Hz, CADJ = 10µF 66 - dB
Adjustment Pin Current IADJ - 100 µA
Adjustment Pin Current
Change
ΔIADJ 10mA < IOUT < IMAX -5
µA
3V < (VIN - VOUT) < 30V - 5
Minimum Load Current 3/IMIN (VIN - VOUT) = 30V - 5 mA
(VIN - VOUT) < 10V - 3
Current Limit IMAX (VIN - VOUT) < 15V 1.5 - A
(VIN - VOUT) = 30V, TC = +25°C 0.24 -
Long Term Stability 3/TA = +125°C - 1 %
Thermal Resistance, each
Regulator
(Junction to Case) 3/
ΘJC -5°C/W
Notes:
1. Unless otherwise specified, these specifications apply for post radiation, (Vin - Vout) = 5V, Iout = 0.5A and -55°C < Tc < +125°C.
2. Regulation is measured at a constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to
heating effects are covered under the specification for thermal regulation. Measurements taken at the output lead must be adjusted for lead
resistance.
3. Not tested. Shall be guaranteed to the specified limits.
ΔVOUT
ΔVIN
ΔVOUT
ΔIOUT
ΔVOUT
ΔTIME
3
SCD8609 Rev B 9/23/08 Aeroflex Plainview
The maximum Power dissipation is limited by the thermal shutdown function of each regulator chip in the VRG8609/10. The
graph above represents the achievable power before the chip shuts down. The first line in the graph represents the maximum
power dissipation of the VRG8609/10 with one regulator on (the other off) and the other line represents both regulators on
dissipating equal power. If both regulators are on and one regulator is dissipating more power that the other, the maximum power
dissipation of the VRG8609/10 will fall between the two lines. This graph is based on the maximum junction temperature of
150°C and a thermal resistance (ΘJC) of 5°C/W.
60
50
40
30
20
10
0 20 40 60 80 100 120 140
Case Temperature (°C)
1 Regulator
0
Both Regulators
Maximum Power
Dissipation
(Watts)
IADJ = 50µAVREF = 1.25V,
-Reg = V
OUT = -VREF (1+R2/R1) + (-IADJ x R2)
Adjustable Regulator
VRG8609/10
VIN VOUT
ADJ
R1
R2
VREF
FIGURE 2 – MAXIMUM POWER vs CASE TEMPERATURE
FIGURE 3 – TYPICAL APPLICATIONS
4
SCD8609 Rev B 9/23/08 Aeroflex Plainview
TABLE I – PIN NUMBERS vs FUNCTION
PIN FUNCTION
1 NEG_ADJ_1
2NEG_V
OUT_1
3NEG_V
IN_1
4 NEG_ADJ_2
5NEG_V
IN_2
6NEG_V
OUT_2
.108
.200
.100
.123
ø.145 THRU
.415
.2075
R.030 TYP.
4 PLCS .655
.415 SQ
±.003
.220 MAX.
±.005
.040
±.002
.030 DIA.
.150 REF. 2° MAX. TYP.
±.020
.720
MEASURED
LEAD TIP
IDENT
ESD/PIN 1
–B–
–A–
–C–
ø.010 B C A
M
ø.010 C B A
FIGURE 4 – PACKAGE OUTLINE — THRU-HOLE POWER PACKAGE
3
456
21
2x .028
M
ø.010 C B A
.230 MIN
Notes:
1. Dimension Tolerance: ±.005 inches
2. Package contains BeO substrate
3. Case electrically isolated
.122
MAX.
5
SCD8609 Rev B 9/23/08 Aeroflex Plainview
TABLE II – PIN NUMBERS vs FUNCTION
PIN FUNCTION
1 NEG_ADJ_1
2NEG_V
OUT_1
3NEG_V
IN_1
4 NEG_ADJ_2
5NEG_V
IN_2
6NEG_V
OUT_2
.108
.200
.100
.123
ø.145 THRU
.415
.2075
R.030 TYP.
4 PLCS .655
.415 SQ
±.003
.220 MAX.
±.005
.040 ±.002
.030 DIA.
.122
.150 REF.
±.020.886
IDENT
ESD/PIN 1
–B–
–A–
–C–
ø.010 B C A
M
ø.010 C B A
Notes:
FIGURE 5 – PACKAGE OUTLINE — SURFACE MOUNT POWER PACKAGE
1. Dimension Tolerance: ±.005 inches
2. Package contains BeO substrate
3
456
21
2x .028
M
ø.010 C B A
.015
.060
3. Case electrically isolated
MAX.
6
SCD8609 Rev B 9/23/08
PLAINVIEW, NEW YORK
Toll Free: 800-THE-1553
Fax: 516-694-6715
SE AND MID-ATLANTIC
Tel: 321-951-4164
Fax: 321-951-4254
INTERNATIONAL
Tel: 805-778-9229
Fax: 805-778-1980
WEST COAST
Tel: 949-362-2260
Fax: 949-362-2266
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Tel: 603-888-3975
Fax: 603-888-4585
CENTRAL
Tel: 719-594-8017
Fax: 719-594-8468
www.aeroflex.com info-ams@aeroflex.com
Aeroflex Microelectronic Solutions reserves the right to
change at any time without notice the specifica tions, design,
function, or form of its products described herein. All
parameters must be validated for each customer's application
by engineering. No liab ility is assumed as a result of use of
this product. No patent licenses are implied.
EXPORT CONTROL: EXPOR T WARNING:
This product is controlled for export under the International Traffic in
Arms Regulations (ITAR). A license from the U.S. Department of
State is required prior to the export of this product from the United
States.
Aeroflex’s military and space products are controlled for export under
the International Traffic in Arms Regulations (ITAR) and may not be
sold or proposed or offered for sale to certain countries. (See ITAR
126.1 for complete information.)
Our passion for performance is defined by three
attributes represented by these three icons:
solution-minded, perform a nce -driven and cu stom e r-foc use d
and the Linear Technolo gy logo are registered trad em a rks and RH 137 are a co pyrigh t of Linear Te chn ology Corporation.
ORDERING INFORMATION
MODEL DESC SMD # SCREENING PACKAGE
VRG8609-S
-
Military Temperature, -55°C to +125°C
Screened in accordance with MIL-PRF-38534, Class K. 6 Lead Thru-Hole
Power Pkg
VRG8609-7 Commercial Flow, +25°C testing only
VRG8610-S Military Temperature, -55°C to +125°C
Screened in accordance with MIL-PRF-38534, Class K 6 Lead Surface
Mount Power Pkg
VRG8610-7 Commercial Flow, +25°C testing only
VRG8609-201-XS 5962-0521904KXX
In accordance with DSCC SMD
6 Lead Thru-Hole
Power Pkg
VRG8610-201-XS 5962-0521904KYX 6 Lead Surface
Mount Power Pkg
