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3 Rail Simple Power Sequencer with Fixed Time Delay 6-SOT-23 -40 to 125


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Please submit RFQ for LM3880MFX-1AA/NOPB or email to us: Email: [email protected], we will contact you in 12 hours.

Technical Attributes

Description for the LM3880The LM3880 simple power supplysequencer offers the easiest method to control powerup sequencing and powerdownsequencing of multiple Independent voltage rails. By staggering the startupsequence, it is possible to avoid latch conditions or large in-rush currents thatcan affect the reliability of the system.Available in a 6-pin SOT-23 package, the simplesequencer contains a precision enable pin and three open-drain output flags. Theopen-drain output flags permit that they can be pulled up to distinct voltagesupplies separate from the sequencer VDD (only if they do not exceed therecommended maximum voltage of 0.3 V greater than VDD), so as tointerface with ICs requiring a range of different enable signals. When the LM3880 is enabled, the three output flagssequentially release,after individual time delays, thus permitting the connected power supplies to startup. The output flagsfollow a reverse sequence during power down to avoid latchconditions.EPROM capability allows every delay and sequenceto be fully adjustable. Contact Texas Instruments to request a non-standardconfiguration.

Key Features

Features for the LM3880

  • Simple solution for sequencingthree voltage rails from a single input signal
  • Easily cascade up to threedevices to sequence as many as nine voltage rails
  • Powerup and powerdowncontrol
  • Tiny 2.9-mm x 1.6-mmfootprint
  • Low quiescent current: 25 µA
  • Input voltage range: 2.7 V to 5.5V
  • Standard timing optionsavailable


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LM3880MFX-1AA/NOPB Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC Part Package Code SOT-23
Package Description LSSOP, TSOP6,.11,37 Pin Count 6
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer Texas Instruments
Analog IC - Other Type ANALOG CIRCUIT JESD-30 Code R-PDSO-G6
JESD-609 Code e3 Length 2.9 mm
Moisture Sensitivity Level 1 Number of Channels 1
Number of Functions 1 Number of Terminals 6
Operating Temperature-Max 125 °C Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY Package Code LSSOP
Package Equivalence Code TSOP6,.11,37 Package Shape RECTANGULAR
Package Style SMALL OUTLINE, LOW PROFILE, SHRINK PITCH Peak Reflow Temperature (Cel) 260
Power Supplies 3/5 V Qualification Status Not Qualified
Seated Height-Max 1.45 mm Supply Current-Max (Isup) 0.08 mA
Supply Voltage-Max (Vsup) 5.5 V Supply Voltage-Min (Vsup) 2.7 V
Supply Voltage-Nom (Vsup) 3.3 V Surface Mount YES
Technology CMOS Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Pitch 0.95 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30

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