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| COM7805T COM7812T COM7815T (COTS) COMMERCIAL OFF-THE-SHELF POSITIVE FIXED VOLTAGE REGULATORS IN TO-257 PA C KThree Terminal, Fixed Voltage, 1.5 Amp Precision Positive Regulators In Hermetic JEDEC TO-257AA Package FEATURES * * * * * * Isolated Hermetic Package, JEDEC TO-257AA Outline Output Voltages: 5V, 12V, 15V Output Voltages Set Internally 2% Built-In Thermal Overload Protection Short Circuit Current Limiting Standard Off-The-Shelf DESCRIPTION These three terminal positive regulators are supplied in a herme i a l s a e tcly eld metal package whose outline is similar to the industry standard TO-220 plastic package. All poetv faue aedsge it tecruticuigtemlsudw,cretlmtn rtcie etrs r eind no h ici nldn hra hton urn iiig and safe-area control. Wi h h a s n i g t e c n d l v r o e 1 5 a p o o t u c r e t t et ikn, hy a eie vr . ms f upt urn. These units feature internally trimmed output voltages to +/- 2% of nominal voltage. Standard voltages are 5V, 12V, and 15V. However, o h r v l a e a e a a l b e u t 2 te otgs r vial p o 4 vls Tee uis ae iely sie fr Mltr apiain wee a hreial sae ot. hs nt r dal utd o iiay plctos hr emtcly eld package is required. ABSOLUTE MAXIMUM RATINGS @ 25C Input Voltage.................................................................. 35 V Operating Junction Temperature Range .......................... - 55C to + 150C Storage Temperature Range ..................................... - 65C to + 150C Typical Power/Thermal Characteristics: Rated Power @ 25 C TC .............................................. 17.5W TA ................................................. 3 W Thermal Resistance qJC ........................................... 4.2C/W qJA ............................................ 42C/W 33 . 33 - 1 . COM7800T Series ELECTRICAL CHARACTERISTICS Parameter Output Voltage Symbol VO U T V RLINE 5 Vot l V IN = 1 V Io = 500mA, -55C 0, TA Min. 49 . 125C (unless otherwise specified) Max. 51 . 52 . 5 Unit V V mV mV mV mV mV mV mV mV mA mA mA Test Conditions TA = 25C V IN = 7.5V to 20V * * 48 . Line Regulation (Note 1) V IN = 7.5V to 20V V IN = 8.0V to 12V 12 4 * Load Regulation (Note 1) I = 250mA to 750 mA O V RLOAD I = 5mA to 1.5 Amp O 10 12 * * 25 6 15 6 Standby Current Drain I CD S DI C D S (ie Ln) DI C D S (Load) VD O I (pk) O IS D DV IN DV O U T NO DV O U T Dt TA = 25C, DV O U T = 100mV, IO = 1.0A TA = 25C V IN = 35V 15 . I = 5mA to 1000mA O V I = 7.5V to 20V N Standby Current Drain Change With Line Standby Current Drain Change With Load Dropout Voltage Peak Output Current SotCrutCret hr ici urn (Note 2) Ripple Rejection * * * 65 . 08 . 05 . mA 25 . 33 . 12 . V A A A dB dB * f = 2 H , DV IN = 10V 10 z (Note 3) TA = 25C, f =10 Hz to 100KHz TA = 25C, t = 1000 hrs. 66 28 . * 60 40 Output Noise Voltage (Note 3) Long Term Stability (Note 3) V/V RMS 75 mV ELECTRICAL CHARACTERISTICS Parameter Output Voltage Symbol VO U T V RLINE 12 Vot l V IN = 1 V Io = 500mA, -55C 9, TA Min. 11.76 125C (unless otherwise specified) Max. 12.24 12.4 18 Unit V V mV mV mV mV mV mV mV mV mA mA mA Test Conditions TA = 25C V IN = 14.5V to 27V * * 1. 16 Line Regulation (Note 1) V IN = 14.5V to 27V V IN = 16V to 22V 50 9 * Load Regulation (Note 1) I = 250mA to 750 mA O V RLOAD I = 5mA to 1.5 Amp O 30 32 * * 60 20 40 60 . Standby Current Drain I CD S DI C D S (ie Ln) DI C D S (Load) VD O I (pk) O IS D DV IN DV O U T NO DV O U T Dt DV O U T = 100mV, IO = 1.0A TA = 25C V IN = 35V I = 5mA to 1000mA O V I = 15V to 30V N Standby Current Drain Change With Line Standby Current Drain Change With Load Dropout Voltage * * * * 15 . 65 . 08 . 05 . mA 25 . 33 . 12 . V A A A dB dB 33 . Peak Output Current SotCrutCret hr ici urn (Note 2) Ripple Rejection * f = 2 H , DV IN = 10V 10 z (Note 3) TA = 25C, f =10 Hz to 100KHz TA = 25C, t = 1000 hrs. 61 28 . * 54 40 Output Noise Voltage (Note 3) Long Term Stability (Note 3) V/V RMS 120 mV Notes: 1 Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used. . Changes in output voltage due to heating effects must be taken into account separately. 2 S o t C r u t p o e t o i o l a s r d u t VIN = 35V. . hr ici rtcin s ny sue p o 3 I nttse,salb gaate t teseiidlmt. . f o etd hl e urned o h pcfe iis The * denotes the specifications which apply over the full operating temperature range. 33 - 2 . COM7800T Series ELECTRICAL CHARACTERISTICS Parameter Output Voltage Symbol VO U T V RLINE 15 Vot l V IN = 2 V Io = 500mA, -55C 3, TA Min. 14.7 125C (unless otherwise specified) Max. 15.3 15.5 20 Unit V V mV mV mV mV mV mV mV mV mA mA mA Test Conditions TA = 25C V IN = 18.5V to 30V * * 14.5 Line Regulation (Note 1) V IN = 17.5V to 30V V IN = 20V to 26V 50 15 * Load Regulation (Note 1) V RLOAD I = 5mA to 1.5 Amp O I = 5mA to 1.0 Amp O I = 250mA to 750 mA O 25 35 * * 75 21 45 60 . Standby Current Drain I CD S DI C D S (ie Ln) DI C D S (Load) VD O I (pk) O IS D DV IN DV O U T NO DV O U T Dt TA = 25C, DV O U T = 100mV, IO = 1.0A TA = 25C V IN = 35V 15 . I = 5mA to 1000mA O V I = 18.5V to 30V N Standby Current Drain Change With Line Standby Current Drain Change With Load Dropout Voltage Peak Output Current SotCrutCret hr ici urn (Note 2) Ripple Rejection * * * 65 . 08 . 05 . mA 25 . 33 . 12 . V A A A dB dB * f = 2 H , DV IN = 10V 10 z (Note 3) TA = 25C, f =10 Hz to 100KHz TA = 25C, t = 1000 hrs. 54 28 . * 52 40 Output Noise Voltage (Note 3) Long Term Stability (Note 3) V/V RMS 150 mV Notes: 1 Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used. . Changes in output voltage due to heating effects must be taken into account separately. 2 S o t C r u t p o e t o i o l a s r d u t VIN = 35V. . hr ici rtcin s ny sue p o 3 I nttse,salb gaate t teseiidlmt. . f o etd hl e urned o h pcfe iis The * denotes the specifications which apply over the full operating temperature range. TYPICAL PERFORMANCE CHARACTERISTICS PEAK OUTPUT CURRENT 35 . 3 25 . D P U VO AG RO O T LT E 10 0 I U T = 1A O RPL RJCIN IPE EETO 25 . 2 15 . Tj = 150C Tj = 25C 15 . I = 0A OUT I UT = O Ripple Rejection (dB) Tj = - Input To Output Differential (V) 2 33 . 8 0 V O U T = 5V Output Current (A) 6 0 1 4 0 V IN - V = 8VDC + 3.5 Vrms I = 1A OUT Tj = 25C 1 05 . DV O U T = 100mV 05 . DV O U T = 100MV 2 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 0 -5 -0 -5 75 2 0 2 5 5 0 7 10 15 10 50 25 1 0 10 0 1 k 1k 0 10 0k Input To Output Differential (V) Junction Temperature (C) Frequency (Hz) 33 - 3 . COM7800T Series TYPICAL APPLICATIONS Fixed Output Regulator Circuit For Increasing Output Voltage INPUT COM78XX OM7662SC OUTPUT INPUT OM7605SC VXX R1 0.1F COM78XX OUTPUT 1Ft 0.1F* 1F IQ R2 *Increasing value of output capacitor improves system transient response. Required only if regulator is located an appreciable distance from power supply filter. VO = VXX (1+ R1 ) + IQ R2 R2 High Output Current, Short Circuit Protected INPUT R1 Adjustable Output Regulator, 7 To 30 Vo t ls RSC 2N6124 2N4398 INPUT OUTPUT 0.33F 1F OM7662SC COM78XX LM741 OUTPUT OM7662SC COM78XX 1F 0.1F 10K + MECHANICAL OUTLINE TO-257AA .420 .410 .200 .190 .045 .035 .665 .645 .537 .527 .430 .410 .038 MAX. PIN CONNECTION Tab 33 . .150 .140 .750 .500 .005 COM78XXT Isolated Front View P n 1 Input i: P n 2 Ground i: P n 3 Output i: Tab: Isolated 1 23 .035 .025 .100 TYP. .120 TYP. Note: *Case is metal/hermetically sealed glass feedthroughs *Isolated Tab 205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246 |
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