LM3881MM/NOPB
Active3 RAIL SIMPLE POWER SEQUENCER WITH ADJUSTABLE TIME DELAY
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LM3881MM/NOPB
Active3 RAIL SIMPLE POWER SEQUENCER WITH ADJUSTABLE TIME DELAY
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | LM3881MM/NOPB |
|---|---|
| Applications | Power Supply Sequencer |
| Current - Supply | 80 µA |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 8-MSOP, 8-TSSOP |
| Package / Case | 3 mm |
| Package / Case [custom] | 0.118 in |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 2.7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.86 | |
| 10 | $ 1.67 | |||
| 25 | $ 1.57 | |||
| 100 | $ 1.34 | |||
| 250 | $ 1.26 | |||
| 500 | $ 1.10 | |||
| Digi-Reel® | 1 | $ 1.86 | ||
| 10 | $ 1.67 | |||
| 25 | $ 1.57 | |||
| 100 | $ 1.34 | |||
| 250 | $ 1.26 | |||
| 500 | $ 1.10 | |||
| Tape & Reel (TR) | 1000 | $ 0.91 | ||
| 2000 | $ 0.85 | |||
| 5000 | $ 0.82 | |||
| 10000 | $ 0.79 | |||
| Texas Instruments | SMALL T&R | 1 | $ 1.40 | |
| 100 | $ 1.15 | |||
| 250 | $ 0.83 | |||
| 1000 | $ 0.62 | |||
Description
General part information
LM3881 Series
The LM3881 Simple Power Sequencer offers the easiest method to control power up and power down of multiple power supplies (switching or linear regulators). By staggering the start-up sequence, it is possible to avoid latch conditions or large inrush currents that can affect the reliability of the system.
Available in VSSOP-8 package, the Simple Sequencer contains a precision enable pin and three open-drain output flags. When the LM3881 is enabled, the three output flags will sequentially release, after individual time delays, thus permitting the connected power supplies to start up. The output flags will follow a reverse sequence during power down to avoid latch conditions. Time delays are defined using an external capacitor and the output flag states can be inverted by the user.
The LM3881 Simple Power Sequencer offers the easiest method to control power up and power down of multiple power supplies (switching or linear regulators). By staggering the start-up sequence, it is possible to avoid latch conditions or large inrush currents that can affect the reliability of the system.
Documents
Technical documentation and resources
