ATR28XXS Series ATR28XXS Case Outlines Non-Flanged Flanged Ø 0.162 2 H oles 0.050 0.800 6 10 8 7 4 5 4 X 0.400 =1.600 3 2.110 M ax 2 2.550 1 2.880 M ax 9 0.040 D X 0.26 L Pins 2.110 0.390 M ax 0.390 M ax 1.110 Pin Designation Part Numbering ATR 28 15 S F / CH Pin No. 1 Designation Positive Input Model Input Voltage 28 = 28V Nominal 2 Enable Input 3 Return Sense* 4 Output Return 5 Positive Output 6 Positive Sense* 7 N/C 8 Case Ground 9 Sync. 10 Input Common Output Voltage Single - 03R3 = 3.3V, 05 = 5V 12 = 12V, 15 = 15V Dual - 12 = ±12V, 15 = ±15V Triple - 12 = 5V,±12V 15 = 5V,±15V Screening – , ES, HB, CH Package Style F = Flange Omit for Non-flange Outputs S = Single D = Dual T = Triple * If neither remote sense nor voltage trim is used, connect Pin 3 to 4 and 5 to 6 or output voltage will increase by 1.2V. www.irf.com 11