Datasheet LT1129, LT1129-3.3, LT1129-5 (Analog Devices) - 2

LT1129/LT1129-3.3/LT1129-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage .. ± 30V* Storage Temperature Range .. – 65°C to 150°C Output Pin Reverse Current ... 10mA Operating Junction Temperature Range (Note 3) Sense Pin Current .. 10mA LT1129C-X .. 0°C to 125°C Adjust Pin Current .. 10mA LT1129C-X Extended Temperature Range Sense Pin, Adjust Pin Reverse Voltage ... – 0.6V (Note 12) ... –40°C to 125°C Shutdown Pin Input Voltage (Note 2) ... 6.5V, – 0.6V LT1129I-X(Note 12) ... –40°C to 125°C Shutdown Pin Input Current (Note 2) .. 20mA LT1129MP-X(Note 12) ... –55°C to 125°C Output Short-Circuit Duration .. Indefi nite Lead Temperature (Soldering, 10 sec) .. 300°C * For applications requiring input voltage ratings greater than 30V, contact the factory.
PIN CONFIGURATION
TOP VIEW GND 1 20 GND GND 2 19 GND FRONT VIEW GND 3 18 GND TOP VIEW GND 4 17 GND 5 VIN OUTPUT 1 8 VIN 4 SHDN GND 5 16 GND TAB SENSE/ 2 7 GND ADJ* IS 3 GND GND 6 15 GND GND GND 3 6 GND 2 SENSE/ADJ* OUT 7 14 IN NC 4 5 SHDN 1 OUTPUT SENSE 8 13 SHDN Q PACKAGE S8 PACKAGE GND 9 12 GND 5-LEAD PLASTIC DD 8-LEAD PLASTIC SO GND 10 11 GND *PIN 2 = SENSE FOR LT1129-3.3/LT1129-5 *PIN 2 = SENSE FOR LT1129-3.3/LT1129-5 = ADJ FOR LT1129 F PACKAGE = ADJ FOR LT1129 20-LEAD PLASTIC TSSOP θ θ JA = 30°C/W JA = 60°C/W NOTE: ALL GROUND PINS ARE INTERNALLY CONNECTED θJA = 40°C/W
OBSOLETE PACKAGE
FRONT VIEW FRONT VIEW 5 VIN 3 OUTPUT 4 SHDN TAB TAB IS 3 GND IS 2 GND GND GND 2 SENSE/ADJ* 1 V 1 OUTPUT IN T PACKAGE ST PACKAGE 5-LEAD PLASTIC TO-220 3-LEAD PLASTIC SOT-223 θ *PIN 2 = SENSE FOR LT1129-3.3/LT1129-5 = ADJ FOR LT1129 JA = 50°C/W θJA = 50°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1129CS8#PBF LT1129CS8#TRPBF 1129 8-Lead Plastic SO 0°C to 125°C LT1129IS8#PBF LT1129IS8#TRPBF 1129I 8-Lead Plastic SO –40°C to 125°C LT1129CS8-3.3#PBF LT1129CS8-3.3#TRPBF 11293 8-Lead Plastic SO 0°C to 125°C LT1129IS8-3.3#PBF LT1129IS8-3.3#TRPBF 1129I3 8-Lead Plastic SO –40°C to 125°C LT1129CS8-5#PBF LT1129CS8-5#TRPBF 11295 8-Lead Plastic SO 0°C to 125°C 112935ff 2