LT1634 absoluTe MaxiMuM raTings (Note 1) Current Operating Operating Temperature Range 1.25V ...100mA Commercial ... 0°C to 70°C 2.5V ...50mA Industrial ...–40°C to 85°C 4.096V, 5V ...30mA Storage Temperature Range (Note 1) ... –65°C to 150°C Forward Current ...20mA Lead Temperature (Soldering, 10 sec) ...300°C pin conFiguraTion TOP VIEW BOTTOM VIEW TOP VIEW DNC* 1 8 NC*** DNC* 1 8 NC*** TEST** V DNC* 2 7 DNC* DNC* 2 7 DNC* OUT GND DNC* 3 6 VOUT DNC* 3 6 V GND 4 5 TEST** OUT GND 4 5 TEST** MS8 PACKAGE 8-LEAD PLASTIC MSOP S8 PACKAGE Z PACKAGE TJMAX = 125°C, θJA = 250°C/W 8-LEAD PLASTIC SO 3-LEAD PLASTIC TO-92 TJMAX = 125°C, θJA = 190°C/W TJMAX = 125°C, θJA = 190°C/W *Connected internally. Do Not Connect external circuitry to these pins. **The TEST pin can be left unconnected or connected to the GND pin (GND pin on Z package, Pin4 on MS8 and S8 packages) *** Not connected internally. orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONSPECIFIED TEMPERATURE RANGE LT1634BCMS8-1.25#PBF LT1634BCMS8-1.25#TRPBF LTCV 8-Lead Plastic MSOP 0°C to 70°C LT1634BCMS8-2.5#PBF LT1634BCMS8-2.5#TRPBF LTDF 8-Lead Plastic MSOP 0°C to 70°C LT1634ACS8-1.25#PBF LT1634ACS8-1.25#TRPBF 1634A1 8-Lead Plastic SO 0°C to 70°C LT1634ACS8-2.5#PBF LT1634ACS8-2.5#TRPBF 1634A2 8-Lead Plastic SO 0°C to 70°C LT1634ACS8-4.096#PBF LT1634ACS8-4.096#TRPBF 1634A4 8-Lead Plastic SO 0°C to 70°C LT1634ACS8-5#PBF LT1634ACS8-5#TRPBF 1634A5 8-Lead Plastic SO 0°C to 70°C LT1634AIS8-1.25#PBF LT1634AIS8-1.25#TRPBF 634AI1 8-Lead Plastic SO –40°C to 85°C LT1634AIS8-2.5#PBF LT1634AIS8-2.5#TRPBF 634AI2 8-Lead Plastic SO –40°C to 85°C LT1634AIS8-4.096#PBF LT1634AIS8-4.096#TRPBF 634AI4 8-Lead Plastic SO –40°C to 85°C LT1634AIS8-5#PBF LT1634AIS8-5#TRPBF 634AI5 8-Lead Plastic SO –40°C to 85°C LT1634BCS8-1.25#PBF LT1634BCS8-1.25#TRPBF 1634B1 8-Lead Plastic SO 0°C to 70°C LT1634BCS8-2.5#PBF LT1634BCS8-2.5#TRPBF 1634B2 8-Lead Plastic SO 0°C to 70°C LT1634BCS8-4.096#PBF LT1634BCS8-4.096#TRPBF 1634B4 8-Lead Plastic SO 0°C to 70°C LT1634BCS8-5#PBF LT1634BCS8-5#TRPBF 1634B5 8-Lead Plastic SO 0°C to 70°C LT1634BIS8-1.25#PBF LT1634BIS8-1.25#TRPBF 634BI1 8-Lead Plastic SO –40°C to 85°C LT1634BIS8-2.5#PBF LT1634BIS8-2.5#TRPBF 634BI2 8-Lead Plastic SO –40°C to 85°C LT1634BIS8-4.096#PBF LT1634BIS8-4.096#TRPBF 634BI4 8-Lead Plastic SO –40°C to 85°C LT1634BIS8-5#PBF LT1634BIS8-5#TRPBF 634BI5 8-Lead Plastic SO –40°C to 85°C LT1634CCZ-1.25#PBF LT1634CCZ-1.25#TRPBF 3-Lead Plastic TO-92 0°C to 70°C LT1634CCZ-2.5#PBF LT1634CCZ-2.5#TRPBF 3-Lead Plastic TO-92 0°C to 70°C LT1634CCZ-4.096#PBF LT1634CCZ-4.096#TRPBF 3-Lead Plastic TO-92 0°C to 70°C LT1634CCZ-5#PBF LT1634CCZ-5#TRPBF 3-Lead Plastic TO-92 0°C to 70°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 1634ff 2 For more information www.linear.com/LT1634 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Applications Information Typical Application Related Parts