LT1790 - Micropower SOT-23Low Dropout Reference Family

1 LT1790 . Micropower SOT-23. Low Dropout Reference Family FEATURES DESCRIPTION. n High Accuracy: The LT 1790 is a Family of SOT-23 Micropower low Dropout A Grade Max series references that combine high accuracy and low drift B Grade Max with low power dissipation and small package size. These n Low Drift: Micropower references use curvature compensation to A Grade 10ppm/ C Max obtain a low temperature coefficient and trimmed preci- B Grade 25ppm/ C Max sion thin-film resistors to achieve high output accuracy. In n Low Thermal Hysteresis 40ppm (Typical) 40 C to 85 C addition, each LT1790 is post-package trimmed to greatly n Low Supply Current: 60 A Max reduce the temperature coefficient and increase the output n Sinks and Sources Current accuracy.

2 Output accuracy is further assured by excellent n Low Dropout Voltage line and load regulation. Special care has been taken to n Guaranteed Operational 40 C to 125 C minimize thermally induced hysteresis. n Wide Supply Range to 18V. The LT1790s are ideally suited for battery-operated n Available Output Voltage Options: , , systems because of their small size, low supply current , 3V, , and 5V. and reduced Dropout voltage. These references provide n Low Profile (1mm) ThinSOT Package supply current and power dissipation advantages over shunt references that must idle the entire load current to APPLICATIONS operate.

3 Since the LT1790 can also sink current, it can operate as a Micropower negative voltage Reference with n Handheld Instruments the same performance as a positive Reference . n Negative Voltage References L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear n Industrial Control Systems Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. n Data Acquisition Systems All other trademarks are the property of their respective owners. n Battery-Operated Equipment TYPICAL APPLICATION.

4 Positive Connection for Typical VOUT Distribution for 50. 167 UNITS. 4 6 45. VIN 18V VOUT = 40. F 1 F LT1790B LIMITS. 1, 2. 35. NUMBER OF UNITS. 1790 TA01. LT1790A LIMITS. 30. 25. 20. 15. 10. 5. 0. OUTPUT VOLTAGE (V). 1790 TA02. 1790fc For more information 1. LT1790 . ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION. (Note 1). Input TOP VIEW. Specified Temperature Range GND 1 6 VOUT. 0 C to 70 C GND 2 5 DNC*. 40 C to 85 C DNC* 3 4 VIN. Output Short-Circuit Indefinite S6 PACKAGE. Operating Temperature Range 6-LEAD PLASTIC TSOT-23. (Note 2).

5 40 C to 125 C TJMAX = 150 C, JA = 230 C/W. Storage Temperature Range *DNC: DO NOT CONNECT. (Note 3).. 65 C to 150 C. Lead Temperature (Soldering, 10 sec).. 300 C. ORDER INFORMATION #orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE. #PBF #TRPBF LTXT 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTXT 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTXT 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTXT 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTXU 6-Lead Plastic TSOT-23 0 C to 70 C.

6 #PBF #TRPBF LTXU 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTXU 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTXU 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTPZ 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTPZ 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTPZ 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTPZ 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 ACS6-3#PBF LT1790 ACS6-3#TRPBF LTQA 6-Lead Plastic TSOT-23 0 C to 70 C. LT1790 AIS6-3#PBF LT1790 AIS6-3#TRPBF LTQA 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 BCS6-3#PBF LT1790 BCS6-3#TRPBF LTQA 6-Lead Plastic TSOT-23 0 C to 70 C.

7 LT1790 BIS6-3#PBF LT1790 BIS6-3#TRPBF LTQA 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTXW 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTXW 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTXW 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTXW 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTQB 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTQB 6-Lead Plastic TSOT-23 40 C to 85 C. #PBF #TRPBF LTQB 6-Lead Plastic TSOT-23 0 C to 70 C. #PBF #TRPBF LTQB 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 ACS6-5#PBF LT1790 ACS6-5#TRPBF LTQC 6-Lead Plastic TSOT-23 0 C to 70 C.

8 LT1790 AIS6-5#PBF LT1790 AIS6-5#TRPBF LTQC 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 BCS6-5#PBF LT1790 BCS6-5#TRPBF LTQC 6-Lead Plastic TSOT-23 0 C to 70 C. LT1790 BIS6-5#PBF LT1790 BIS6-5#TRPBF LTQC 6-Lead Plastic TSOT-23 40 C to 85 C. 1790fc 2 For more information LT1790 . ORDER INFORMATION. LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE. #TR LTXT 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXT 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTXT 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXT 6-Lead Plastic TSOT-23 40 C to 85 C.

9 #TR LTXU 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXU 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTXU 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXU 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTPZ 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTPZ 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTPZ 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTPZ 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 ACS6-3 LT1790 ACS6-3#TR LTQA 6-Lead Plastic TSOT-23 0 C to 70 C. LT1790 AIS6-3 LT1790 AIS6-3#TR LTQA 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 BCS6-3 LT1790 BCS6-3#TR LTQA 6-Lead Plastic TSOT-23 0 C to 70 C.

10 LT1790 BIS6-3 LT1790 BIS6-3#TR LTQA 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTXW 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXW 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTXW 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTXW 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTQB 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTQB 6-Lead Plastic TSOT-23 40 C to 85 C. #TR LTQB 6-Lead Plastic TSOT-23 0 C to 70 C. #TR LTQB 6-Lead Plastic TSOT-23 40 C to 85 C. LT1790 ACS6-5 LT1790 ACS6-5#TR LTQC 6-Lead Plastic TSOT-23 0 C to 70 C. LT1790 AIS6-5 LT1790 AIS6-5#TR LTQC 6-Lead Plastic TSOT-23 40 C to 85 C.