Datasheet
RoHS Compliance Information
| Size in Kbytes | Date |
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| LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators |
802 Kbytes |
2-May-05 |
Download |
LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators (Japanese)
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546 Kbytes |
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Package Availability, Models, Samples & Pricing
General Description
The LP2954 is a 5V micropower voltage regulator with very low quiescent current (90 µA typical at 1 mA load) and very low dropout voltage (typically 60 mV at light loads and 470 mV at 250 mA load current).
The quiescent current increases only slightly at dropout (120 µA typical), which prolongs battery life.
The LP2954 with a fixed 5V output is available in the three-lead TO-220 and TO-263 packages. The adjustable LP2954 is provided in an 8-lead surface mount, small outline package. The adjustable version also provides a resistor network which can be pin strapped to set the output to 5V.
Reverse battery protection is provided.
The tight line and load regulation (0.04% typical), as well as very low output temperature coefficient make the LP2954 well suited for use as a low-power voltage reference.
Output accuracy is guaranteed at both room temperature and over the entire operating temperature range.
Reliability Metrics
| Part Number |
Process |
EFR Reject |
EFR Sample Size |
PPM |
LTA Rejects |
LTA Device Hours |
FITS |
MTTF (Hours) |
|
LP2954AIM | SLM | 0 | 44046 | 0 | 0 | 3532500 | 1 | 1002356520
|
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LP2954AIMX | SLM | 0 | 44046 | 0 | 0 | 3532500 | 1 | 1002356520
|
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LP2954AIS | SLM | 0 | 44046 | 0 | 0 | 3532500 | 1 | 1002356520
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LP2954AISX | SLM | 0 | 44046 | 0 | 0 | 3532500 | 1 | 1002356520
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LP2954AIT | SLM | 0 | 44046 | 0 | 0 | 3532500 | 1 | 1002356520
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Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR.
The Long Term Failure Rates were calculated
at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress
temperature of 150°C to an application temperature of 55°C.
For more information on Reliability Metrics, please click here.
[Information as of 8-Nov-2009]
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