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| OM2940STM 0.5 VOLT LOW DROPOUT POSITIVE FIXED VOLTAGE REGULATOR APPROVED TO DESC DRAWING Three Terminal, Fixed Voltage, 1 Amp Low Dropout Voltage Regulator In Hermetic JEDEC TO-257AA Package FEATURES * * * * * * * Similar To Industry Standard LM2940 Approved To DESC Standardized Military Drawing Dropout Voltage Typically 0.5 V @ IO = 1 A Output Current in Excess of 1 A Reverse Battery Protection Internal Short Circuit Protection Isolated Hermetic Package DESCRIPTION These three terminal fixed voltage regulators are designed to provide 1.0A with high efficiency. It has the ability to source 1A of output current with a typical dropout voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied in the hermetic TO-257 package and is ideally suited for Military applications where small size and high reliability is required. ABSOLUTE MAXIMUM RATINGS Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Vdc Output Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V, +12V, +15Vdc Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 125C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to + 150C Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300C Thermal Resistance: qJC (Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2C/W qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 A 3.3 PART NUMBER DESIGNATOR Standard Military Drawing Number 5962-8958710MUX 5962-9088401MUX 5962-9088501MUX Omnirel Part Number OM2940-5STM OM2940-12STM OM2940-15STM 4 11 R1 Supersedes 3 02 R0 3.3 - 97 ELECTRICAL CHARACTERISTICS, P/N OM2940-5 (5 Volt) Test Conditions are -55C TA 125C, VIN = 10 V, IO = 1 A, COUT = 22 F (unless otherwise specified). Parameter Output Voltage Symbol VOUT Test Conditions VIN = 10 V, IOUT = 5 mA VIN = 6 V, IOUT = 5 mA VIN = 7 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA VIN = 10 V, IOUT = 1 A VIN = 6 V, IOUT = 1 A VIN = 6 V, IOUT = 50 mA VIN = 10 V, IOUT = 50 mA Maximum Line Transient Reverse Polarity Input Voltage DC Reverse Polarity VLT VRIN VRIT IQ VO 6 V, RO = 100 , t = 20 ms RO = 100 RO = 100 , t =20 ms VIN = 10 V, IOUT = 5 mA VIN = 7 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA 1 VIN = 10 V, IOUT = 1 A Line Regulation Load Regulation Dropout Voltage VRLN VRLD VDO 7 V VIN 26 V, IOUT = 5 mA VIN = 10 V, 50 mA IOUT 1 A IOUT = 1 A IOUT = 100 mA Output Noise Voltage Output Impedance Short Circuit Current Ripple Rejection Notes: VON RO IOS RR VIN = 10 V, IO = 5 mA, 10 Hz - 100 Hz VIN = 10 V, IOUT = 100 mA dc and 20 mA ac, fO = 120 Hz VIN = 10 V VIN = 10 V + 1 V rms, IOUT = 5 mA, f = 1 kHz 1 2 1 2 1 2 1 2 1, 2 2 40 50 50 100 .7 1 150 200 700 Notes 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1, 2 1, 2 1, 2 1 2 1 2 1 2 50 100 Min. 4.85 4.75 4.85 4.75 4.85 4.75 4.85 4.75 4.85 4.75 4.85 4.75 4.85 4.75 4.85 4.75 40 -15 -45 15 20 15 20 15 Max. 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 V V V mA Unit V 3.3 ELECTRICAL CHARACTERISTICS, P/N OM2940-12 (12 Volt) Test Conditions are -55C TA 125C, VIN = 17 V, IO = 1 A, COUT = 22 F (unless otherwise specified). Parameter Output Voltage Symbol VOUT Test Conditions VIN = 17 V, IOUT = 5 mA VIN = 13.6 V, IOUT = 5 mA VIN = 14 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA VIN = 17 V, IOUT = 1 A VIN = 13.6 V, IOUT = 1 A VIN = 13.6 V, IOUT = 50 mA VIN = 17 V, IOUT = 50 mA Maximum Line Transient Reverse Polarity Input Voltage DC Reverse Polarity Input Voltage Transient Quiescent Current VLT VRIN VRIT IQ VO 13 V, RO = 100 , t = 20 ms RO = 100 RO = 100 , t =20 ms VIN = 17 V, IOUT = 5 mA VIN = 14 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA 1 VIN = 17 V, IOUT = 1 A Line Regulation mV Load Regulation mV Dropout Voltage V mV V rms Output Noise Voltage Output Impedance Short Circuit Current Ripple Rejection Notes: VON RO IOS RR VRLN VRLD VDO 14 V VIN 26 V, IOUT = 5 mA VIN = 17 V, 50 mA IOUT 1 A IOUT = 1 A IOUT = 100 mA VIN = 17 V, IO = 5 mA, 10 Hz - 100 Hz VIN = 17 V, IOUT = 100 mA dc and 20 mA ac, fO = 120 Hz VIN = 17 V VIN = 17 V + 1 V rms, IOUT = 5 mA, f = 1 kHz 1 2 1 2 1 2 1 2 1 2 75 120 120 190 .7 1 150 200 1000 Notes 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1, 2 1, 2 1, 2 1 2 1 2 1 2 50 60 mV mV V mV V rms Min. 11.64 11.40 11.64 11.40 11.64 11.40 11.64 11.40 11.64 11.40 11.64 11.40 11.64 11.40 11.64 11.40 40 -15 -45 15 20 15 20 15 20 Max. 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 V V V mA Unit V OM2940STM 3.3 - 98 Input Voltage Transient Quiescent Current 20 1, 2 1 2 1 2 1.5 1.3 60 50 1 A dB 1, 2 1 2 1 2 1.6 1.3 52 46 1 A dB 1. TA = 25C. 2. Over full operating temperature range. 1. TA = 25C. 2. Over full operating temperature range. ELECTRICAL CHARACTERISTICS, P/N OM2940-15 (15Volt) Test Conditions are -55C TA 125C, VIN = 20 V, IO = 1 A, COUT = 22 F (unless otherwise specified). Parameter Output Voltage Symbol VOUT Test Conditions VIN = 20 V, IOUT = 5 mA VIN = 16.75 V, IOUT = 5 mA VIN = 17 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA VIN = 20 V, IOUT = 1 A VIN = 16.75 V, IOUT = 1 A VIN = 16.75 V, IOUT = 50 mA VIN = 20 V, IOUT = 50 mA Maximum Line Transient Reverse Polarity Input Voltage DC Reverse Polarity Input Voltage Transient Quiescent Current VLT VRIN VRIT IQ VO 16 V, RO = 100 , t = 20 ms RO = 100 RO = 100 , t =20 ms VIN = 20 V, IOUT = 5 mA VIN = 17 V, IOUT = 5 mA VIN = 26 V, IOUT = 5 mA VIN = 20 V, IOUT = 1 A Line Regulation Load Regulation Dropout Voltage VRLN VRLD VDO 17 V VIN 26 V, IOUT = 5 mA VIN = 20 V, 50 mA IOUT 1 A IOUT = 1 A IOUT = 100 mA Output Noise Voltage Output Impedance Short Circuit Current Ripple Rejection Notes: VON RO IOS RR VIN = 20 V, IO = 5 mA, 10 Hz - 100 Hz VIN = 20 V, IOUT = 100 mA ac and 20 mA dc, fO = 120 Hz VIN = 20 V VIN = 20 V + 1 V rms, IOUT = 5 mA, f = 1 kHz Notes 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1, 2 1, 2 1, 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 Min. 14.55 14.25 14.55 14.25 14.55 14.25 14.55 14.25 14.55 14.25 14.55 14.25 14.55 14.25 14.55 14.25 40 -15 -45 15 20 15 20 15 20 50 60 95 150 150 240 .7 1 150 200 1000 Max. 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 Unit V PIN CONNECTION Tab 1 V V V mA 2 3 Front View Pin 1: VIN Pin 2: Gnd Pin 3: VOUT Tab: Isolated MECHANICAL OUTLINE .420 .410 .200 .190 .045 .035 .665 .645 .537 .527 .430 .410 .038 MAX. 3.3 - 99 .150 .140 mV mV V mV V rms .750 .500 .005 1, 2 1 2 1 2 1.6 1.3 48 42 1 A dB .035 .025 .100 TYP. .120 TYP. 1. TA = 25C. 2. Over full operating temperature range. NOTES * Case is metal/hermetically sealed * Isolated Tab OM2940STM 3.3 OM2940STM TYPICAL APPLICATIONS Dropout Voltage 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -40 Inout - Output Differential (V) Dropout Voltage vs Temperature 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -40 Dropout Voltage (V) Output Voltage (5V) Output Voltage vs Temperature TJ = 25C 1A 500 mA 100 mA 0 40 80 120 Temperature (C) 160 200 400 600 800 1000 Output Current (mA) 0 40 80 120 Temperature (C) 160 Quiescent Current vs Temperature 50 Quiescent Current (mA) Quiescent Current (mA) 40 30 20 10 10 mA 0 -40 0 40 80 120 Temperature (C) 160 VIN = VOUT +5V 200 180 160 140 120 100 80 60 40 20 0 Quiescent Current 50 Quiescent Current (mA) 40 30 20 10 0 0 Quiescent Current 1A 500 mA 100 mA 500 mA 1A VIN = 14V VOUT = 5V TJ = 25C 0 5 10 15 20 25 30 35 Input Voltage (V) 0.2 0.4 0.6 0.8 Load Current (A) 1.0 3.3 Output Voltage Deviation (mV) 30 20 10 0 -10 -20 -30 3V Line Transient Response Output Voltage Deviation (V) 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1.0 0.5 0 -10 Load Transient Response 95 Ripple Rejection (dB) 85 75 65 55 45 35 0 10 20 Time (s) 30 40 1 Ripple Rejection Input Voltage Change (V) 0V -10 0 10 20 30 40 50 60 Time (s) Load Current Change (A) VIN = 10V, COUT = 22F TJ = 25C, VOUT =5V VIN = 10V COUT = 22F IOUT = 10mA VOUT =5V 10 100 1k 10k 100k 1M Frequency (Hz) 205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246 |
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