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| eorex Description Preliminary EP1017 THREE-TERMINAL ADJUSTABLE OUTPUT POSITIVE VOLTAGE REGULATORS The EP1017 are adjustable 3-terminal positive voltage regulators capable of supplying in excess of 1.5A over an output voltage range of 1.2 to 37V. These voltage regulators are exceptionally easy to use and require only two external resistors to set the output voltage. Further, they employ internal current limiting. Thermal shutdown and safe area compensation, making them essentially blow-out proof. Pin Assignment Ordering Information Jun. 2007 1/8 www.eorex.com eorex Maximun Ratings Rating Symbol Preliminary EP1017 Value Unit Input-Output Voltage Differential Power dissipation Operating VI-VO 40 Internally Limited -40 to +125 Vdc PD T Electrical Characteristics (VI-VO=5.0V;IO=0.5A;TJ=25) Symbol Regline Parameter Line Regulation1 Line Regulation1 Thermal Regulation Adjustment Pin Current PD20W 3.0VV1-V040V 10mAIo1.5A V1-V0=40V PD20W, V1-V015V V1-V0=40V junction to ambient 1.5 0.15 2.2 0.4 5.0 2 Conditions 3.0V(V1-V0) 40V 10mA1out 1.5A, V05.0V,C5.0V 20ms Pulse Min. Typ. Max. 0.04 25 0.5 0.07 100 Units %/V mV %V %W Regload TR IAdi A Vref Reference Voltage 1.3 V ILIMIT IMax Minimum Load Current to Maintain Regulation Maximum Output Current Thermal Resistance 10 mA A C/W th NOTES: 1.Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. 2.Selected devices with tightened tolerance reference voltage available. Jun. 2007 2/8 www.eorex.com eorex Preliminary EP1017 Typical Performance Characteristics Jun. 2007 3/8 www.eorex.com eorex Preliminary EP1017 Jun. 2007 4/8 www.eorex.com eorex Schematic Diagram Preliminary EP1017 EP1017 contains 29 active transistors Typical Application 5.0V Electronic Shutdown Regulator Jun. 2007 5/8 www.eorex.com eorex Standard Application Preliminary EP1017 Cin is required if regulator is located an appreciate distance from power supply filter. Cout is not needed for stability, however, it does improve transient response. Vout=1.25(1+R2/R1)+IAdjR2 Since IAdj is controlled to less than 100 A, the error associated with this term is negligible in most applications. Pulse testing required. 1% Duty Cycle is suggested. To calculate R2: Vout=ISETR2+1.250V ; Assume ISET=5.25mA Jun. 2007 6/8 www.eorex.com eorex Package Description Preliminary EP1017 DIM A B C D F G H J K L N Q R S T V Z MILLIMETERS MIN 14.97 9.66 4.07 0.64 3.61 2.42 2.80 0.48 12.70 1.20 4.83 2.54 2.04 1.05 6.36 1.00 MAX 16.24 10.28 4.82 0.88 3.73 2.66 3.93 0.67 14.27 1.63 5.33 3.04 2.78 1.39 6.86 2.04 Jun. 2007 7/8 www.eorex.com eorex Preliminary EP1017 Package Description (Continued) DIM A B C D E F J K L M N S U V MILLIMETERS MIN 8.64 9.65 4.06 0.51 1.14 1.14 0.46 14.61 2.54 00 2.03 1.27 2.29 1.02 80 2.79 1.78 2.79 1.40 MAX 9.65 10.29 4.83 0.99 1.40 1.40 0.74 15.88 Jun. 2007 8/8 www.eorex.com |
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