LM385BD-2.5 Voltage References & Supervisors by ON Semiconductor

MicroPower Voltage Reference Diodes

Status: Unknown
Series: LM385B
RoHS: Compliant
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The LM285/LM385 series are micropower two-terminal bandgap voltage regulator diodes. Designed to operate over a wide current range of 10 µA to 20 mA, these devices feature exceptionally low dynamic impedance, low noise and stable operation over time and temperature. Tight voltage tolerances are achieved by on-chip trimming. The large dynamic operating range enables these devices to be used in applications with widely varying supplies with excellent regulation. Extremely low operating current make these devices ideal for micropower circuitry like portable instrumentation, regulators and other analog circuitry where extended battery life is required. The LM285/LM385 series are packaged in a low cost TO-226AA plastic case and are available in two voltage versions of 1.235 and 2.500 V as denoted by the device suffix (see Ordering Information table). The LM285 is specified over a -40 C to +85 C temperature range while the LM385 is rated from 0 C to +70 C. The LM385 is also available in a surface mount plastic package in voltages of 1.235 and 2.500 V.

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Operating Current from 10 µA to 20 mA
1.0%, 1.5%, 2.0% and 3.0% Initial Tolerance Grades
Low Temperature Coefficient
1.0 W Dynamic Impedance
Surface Mount Package Available
Pb-Free Packages are Available



LM385BD-2-5 Semiconductors - ICs by Texas Instruments


Status: Unknown
Series: LM385 Series
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The LMx85-2.5 and LM385B are micropower, twoterminal, band-gap voltage references that operate over a 20-μA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability. The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation. The extremely low power drain of this series makes these devices useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range of these voltage references allows them to replace older references with tighter-tolerance parts.


Voltage Reference Type Shunt - Fixed
Product Range LM385 Series
Reference Voltage 2.5V
Initial Accuracy 1.5%
Temperature Coefficient ± 20ppm/°C
Voltage Reference Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 385
Operating Temperature Range 0°C to +70°C
Reference Volt Tolerance ±% 1.5%
Reference Voltage Tolerance 20mV
Reference Volts 2.5V
Temperature Coeff. + 20ppm/°C
Termination Type Surface Mount Device
Tolerance 1.5%
Topology Shunt

Frequently Asked Questions

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The LM385BD-2.5 is listed under Power Management > Voltage References & Supervisors > Voltage References.

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You can view similar parts to LM385BD-2.5 when available in the Voltage References range under the specifications section at the bottom of the details page.

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Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

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