OM7608SC OM7610SC OM7609SC ISOLATED HERMETIC TO-258AA FIXED VOLTAGE REGULATORS Three Terminal, Fixed Voltage, 3.0 Amp Precision Negative Regulators In Hermetic JEDEC TO-258AA Package FEATURES • • • • • • Isolated Hermetic Package, JEDEC TO-258AA Outline Ouput Voltages: -5V, -12V And -15V Output Voltages Set Internally To ±2% (±1% Available) Built-In Thermal Overload Protection Short Circuit Current Limiting Product Is Available Screened To MIL-STD-883 DESCRIPTION These three terminal negative 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 ±1% available on request. ABSOLUTE MAXIMUM RATINGS @ 25°C Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35V Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +150°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +150°C Typical Power/Thermal Characteristics: Rated Power @ 25°C TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W Thermal Resistance qJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W qJA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W Note: For ±1% device. add letter “A” in front of part number (e.g. OMA 7608SC). 4 11 R3 Supersedes 1 07 R2 3.3 - 147 3.3 OM7608SC - OM7610SC ELECTRICAL CHARACTERISTICS: -5 VOLT OUTPUT (OM7608SC)TJ = -55 C to + 125 C Parameter VOUT Test Conditions Min. Typ. Max. TJ = 25°C, VIN = 10 V, IO = 5.0 mA -4.90 -5.00 -5.10 8.0 V VIN 35 V, 5 mA IO 3 A; P 25 W -4.86 -5.00 -5.14 Units V Line Regulation (Note 1) 8.0 V VIN 35 V, TJ = 25°C - 10 25 mV Load Regulation (Note 1) 5.0 mA IO 3.0 A, TJ = 25°C - 20 75 mV Thermal Regulation TA = 25°C, 20 mS Pulse - .002 .01 %/W Ripple Rejection f = 120 Hz; VOUT = 5.0 V - 66 - dB Miminum Load Current VIN = 35 V - - 15 mA Current Limit VIN = -13 V 3 4.3 - A Temperature Stability -55°C T +150°C - - 2.0 % RMS Output Noise (% of VOUT) TA = 25°C, 10 Hz f 10 kHz - .005 - % 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 (OM7609SC)TJ = -55 C to + 125 C Parameter VOUT 3.3 Test Conditions Min. Typ. Max. TJ = 25°C, VIN = 15 V, IO = 10 mA -11.76 -12.00 -12.24 15 V VIN 35 V, 5 mA IO 3 A; P 25 W -11.66 -12.06 -12.33 Units V Line Regulation (Note 1) 15 V VIN 35 V, TJ = 25°C - 10 60 mV Load Regulation (Note 1) 5 mA IO 3.0 A, TJ = 25°C - 40 90 mV Thermal Regulation TA = 25°C, 20 mS Pulse - .002 .02 %/W Ripple Rejection f = 120 Hz; VOUT = 12 V - 66 - dB Miminum Load Current VIN = 35 V - - 15 mA Current Limit VIN = -20 V 3 4.3 - A Temperature Stability -55°C T +150°C - - 2.0 % RMS Output Noise (% of VOUT) TA = 25°C, 10 Hz f 10 kHz - .005 - % 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 - 148 OM7608SC - OM7610SC ELECTRICAL CHARACTERISTICS: -15 Volt Output (OM7610SC)TJ = -55 C to + 125 C Parameter Test Conditions VOUT Min. Typ. Max. TJ = 25°C, VIN = 23 V, IO = 5 mA -14.70 -15.00 -15.30 18 V VIN 35 V, 5 mA IO 3 A; P 25 W -14.58 -15.00 -15.42 Units V Line Regulation (Note 1) 18 V VIN 35 V, TJ = 25°C - 10 75 mV Load Regulation (Note 1) 5 mA IO 3.0 A, TJ = 25°C - 50 100 mV Thermal Regulation TA = 25°C, 20 mS Pulse - .002 .02 %/W Ripple Rejection f = 120 Hz; VOUT = 15 V - 66 - dB Miminum Load Current VIN = 35 V - - 15 mA Current Limit VIN = -23 V 3 4.3 - A Temperature Stability -55°C T +150°C - - 2.0 % RMS Output Noise (% of VOUT) TA = 25°C, 10 Hz f 10 kHz - .005 - % 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 Output Current (A) 6 5 4 3 2 1 0 0 5 10 15 20 25 30 35 Input-Output Differential (V) Ripple Rejection 100 TJ = -55°C Ripple Rejection (dB) Input-Output Differential (V) Dropout Voltage 2.8 2.6 2.4 TJ = -25°C 2.2 2.0 1.8 1.6 1.4 1.2 TJ = -150°C 3.3 80 CADJ = 10µF 60 40 20 CADJ = 0 VIN = -15 V VOUT = -10 V IL = 500mA, TJ = 25°C 0 10 0.5 1.0 1.5 2.0 2.5 3.0 Output Current (A) 3.3 - 149 100 1k 10k 100k 1M Frequency (Hz) OM7608SC - OM7610SC TYPICAL APPLICATIONS 3 Amp Regulator Dual Regulator OM7608SC OM7609SC OM7610SC -VIN -VOUT +VIN + OM7605SC OM7606SC OM7607SC +VOUT 1µF 1µF 2µF 5µF 2µF 5µF -VIN MECHANICAL OUTLINE -VOUT PIN CONNECTION .270 .240 .695 .685 .165 .155 OM7608SC OM7609SC OM7610SC .045 .035 Tab .835 .815 .707 .697 .550 .530 .092 MAX. .750 .500 3.3 .005 .065 .055 .200 TYP. .140 TYP. NOTES: • Case is metal/hermetically sealed • Isolated Tab • This device is also available in a 1 2 3 Front View Pin 1: Ground Pin 2: Input Pin 3: Output Tab: Isolated 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