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OM7662SC OM7663SC
OM7664SC
ISOLATED HERMETIC TO-258AA FIXED POSITIVE VOLTAGE REGULATORS
Three Terminal, Fixed Positive Voltage, 3.0 Amp Precision Positive Regulator In Hermetic JEDEC TO-258AA Package FEATURES
* * * * * * Isolated Hermetic Package. JEDEC TO-258AA Outline Ouput Voltages: 5V, 12V And 15V (Other Voltages Available) Output Volatges Set Internally To 2% (1% Available) Built-In Thermal Overload Protection Short Circuit Current Limiting Product Is Available Hi-Rel Screened
DESCRIPTION
These three terminal positive regulators are supplied in a hermetically sealed metal package whose outline is similar to the industry standard TO-247 plastic package. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver over 3.0 amps of output current. These units feature 2% initial voltage tolerance, with 0.3% load regulation and .01% line regulation.
ABSOLUTE MAXIMUM RATINGS @ 25C
Input to Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +35V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Typical Power/Thermal Characteristics: Rated Power @ 25C TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W Thermal Resistance: qJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5C/W qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W Note: For 1% device, add letter "A" in front of part number (e.g. OMA 7662SC).
3.3
4 11 R4
3.3 - 209
OM7662SC - OM7664SC
ELECTRICAL CHARACTERISTICS: 5 VOLT OUTPUT (OM7662SC)
Parameter VOUT Test Conditions TJ = 25C, VIN = 12 V, IO = 10 mA 8.0 V VIN 35 V, 10 mA IO 3 A; P 25 W Line Regulation (Note 1) Load Regulation Thermal Regulation Ripple Rejection Miminum Load Current Limit Temperature Stability RMS Output Noise TA = 25C, 10 Hz f 10 kHz VIN = 13 V, TJ = 25C 8.0 V VIN 35 V 10 mA IO 3.0 A TA = 25C, 20 mS Pulse f = 120 Hz; VOUT = 5 V Min. 4.90 4.80 3 Typ. 5.00 5.00 .03 20 .005 65 4.5 1.0 .001 Max. 5.10 V 5.20 .06 55 .013 10 2.0 %/V mV %/W dB mA A % % Units
Note 1: Regulation is measured at a constant TJ. Changes in output due to heating must be taken into account separately. Pulse testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS: 12 VOLT OUTPUT (OM7663SC)
Parameter VOUT Test Conditions TJ = 25C, VIN = 18 V, IO = 10 mA 15 V VIN 35 V, 10 mA IO 3 A; P 25 W Line Regulation (Note 1) Load Regulation Thermal Regulation Ripple Rejection Miminum Load Current Limit Temperature Stability VIN = 20 V, TJ = 25C 15 V VIN 35 V 10 mA IO 3.0 A TA = 25C, 20 mS Pulse f = 120 Hz; VOUT = 12 V Min. 11.76 11.53 3 TA = 25C, 10 Hz f 10 kHz Typ. 12.00 12.00 .03 60 .005 65 4.5 1.0 .001 Max. 12.24 V 12.48 .06 132 .013 10 2.0 %/V mV %/W dB mA A % % Units
3.3
RMS Output Noise
Note 1: Regulation is measured at a constant TJ. Changes in output due to heating must be taken into account separately. Pulse testing with low duty cycle is used.
3.3 - 210
OM7662SC - OM7664SC
ELECTRICAL CHARACTERISTICS: 15 VOLT OUTPUT (OM7664SC)
Parameter VOUT Test Conditions TJ = 25C, VIN = 23 V, IO = 10 mA 18 V VIN 35 V, 10 mA IO 3 A; P 25 W Line Regulation (Note 1) Load Regulation Thermal Regulation Ripple Rejection Miminum Load Current Limit Temperature Stability RMS Output Noise TA = 25C, 10 Hz f 10 kHz VIN = 23 V, TJ = 25C 18 V VIN 35 V 10 mA IO 3.0 A TA = 25C, 20 mS Pulse f = 120 Hz; VOUT = 15 V 3 Min. 14.70 14.41 -Typ. 15.00 15.00 .03 75 .005 65 4.5 1.0 .001 10 2.0 Max. 15.3 V 15.60 .06 165 .013 %/V mV %/W dB mA A % % Units
Note 1: Regulation is measured at a constant TJ. Changes in output due to heating must be taken into account separately. Pulse testing with low duty cycle is used.
Current Limit
6 Output Current (A)
TJ = -55C TJ = 25C TJ = 150C
4
2
0 0 5 10 15 20 25 30 35 Input-Output Differential (V)
Dropout Voltage
Input-Output Differential (V) 3 2.5 2 1.5 1 0.5 -75 -25 25 75 125 Temperature (C)
VOUT = 100 mV IOUT = 3 A IOUT = 2 A IOUT = 20 mA
Ripple Rejection
100 Ripple Rejection (dB) 80 60 40 20 0 10
VIN - V = 8VDC +35VRMS IOUT = 1A, TJ = 25C
3.3
100 1k 10k 100k Frequency (Hz)
3.3 - 211
OM7662SC - OM7664SC
TYPICAL APPLICATIONS Fixed Output Regulator
INPUT OM7662SC OUTPUT
INPUT
Circuit For Increasing Output Voltage
OUTPUT
OM7662SC
VXX R1 0.1F
1Ft
0.1F*
1F
IQ
R2
*Increasing value of output capacitor improves system transient response. tRequired only if regulator is located an appreciable distance from power supply filter.
VO = VXX
(1+ R1) + I R2
Q
R2
High Output Current, Short Circuit Protected
INPUT R1 RSC 2N6124 OM7662SC 1F 2N4398
Adjustable Output Regulator, 7 To 30 Volts
INPUT OM7662SC OUTPUT
OUTPUT 1F
0.33F
LM741
0.1F 10K
+
MECHANICAL OUTLINE
.165 .155 .695 .685 .270 .240 .045 .035
PIN CONNECTION
.835 .815 .707 .697 .550 .530
3.3
.750 .500 .065 .055 .140 TYP.
.092 MAX. .005
.200 TYP.
1
2
3
NOTES: * Case is metal/hermetically sealed * Isolated Tab
Front View Pin 1: Ground Pin 2: Output Pin 3: Input This device is also available in a TO-257AA package. Call the factory for test conditions and limits.
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246

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