LM385Z-2.5RPG

Description：IC VREF SHUNT 3% TO92-3
Series：-
Mfr：onsemi
Package：Cut Tape (CT),Tape & Box (TB)

SKU:421571ddb8d1 Category: Voltage Reference Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 3% TO92-3
Series：-
Mfr：onsemi
Package：Cut Tape (CT),Tape & Box (TB)
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：20 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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LM385Z-2.5RPG

Overview

The LM385Z-2.5RPG is a micropower two-terminal bandgap voltage reference diode manufactured by onsemi, providing a nominal reverse breakdown voltage of 2.500 V. It operates within an ambient temperature range of 0 °C to +70 °C and supports a wide current range from 10 µA to 20 mA. The device features a low average temperature coefficient of -80 ppm/°C and a dynamic impedance of 0.6 Ω at 100 µA. Packaged in the TO-92 (CASE 29-10) plastic case with three pins, it includes Pin 1 as N.C., Pin 2 as Cathode, and Pin 3 as Anode.

Feature Summary

Micropower two-terminal bandgap voltage regulator diode design
Tight voltage tolerances achieved through on-chip trimming
Exceptionally low dynamic impedance for stable operation
Low noise characteristics suitable for precision applications

Applications

Portable instrumentation circuits
Micropower regulators
Analog circuitry requiring extended battery life
Applications with widely varying supply voltages

Procurement Notes

Verify the specific ordering suffix 'RPG' against the manufacturer's official documentation to confirm packaging details, such as fan-fold or ammo box quantities. Confirm RoHS compliance status and Pb-Free marking requirements for the specific production lot. Ensure the operating temperature range aligns with system thermal constraints before procurement.

Selection Notes

Select this component when a fixed 2.5 V reference is required in a through-hole TO-92 package. The LM385 series is suitable for designs needing operation down to 10 µA to maximize battery life. Compare against LM285 variants if a wider industrial temperature range (-40 °C to +85 °C) is necessary for the application environment.

Part Context

This part belongs to the LM285/LM385 series of micropower voltage references. The 'LM385' designation indicates a commercial temperature rating (0 °C to +70 °C), distinct from the 'LM285' which covers an extended range. The 'Z' suffix denotes the TO-92 plastic package, while 'RPG' specifies the shipping configuration and Pb-Free status.