LM385MX Datasheet

Product Details

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.

• 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 Ω Dynamic Impedance
• Surface Mount Package Available

Specifications

Attribute	Attribute Value
Manufacturer	Texas Instruments
Product Category	Voltage Reference
Series	LM385-ADJ
Packaging	Tape & Reel (TR) Alternate Packaging
Unit-Weight	0.005044 oz
Mounting-Style	SMD/SMT
Package-Case	8-SOIC (0.154", 3.90mm Width)
Operating-Temperature	0°C ~ 70°C (TA)
Mounting-Type	Surface Mount
Output-Type	Adjustable
Supplier-Device-Package	8-SOIC
Tolerance	±2%
Voltage-Input	-
Current-Supply	-
Current-Output	20mA
Reference-Type	Shunt
Output Voltage	1.24V
Voltage-Output-Max	5.3V
Temperature-Coefficient	30ppm/°C
Noise-0#1Hz-to-10Hz	-
Noise-10Hz-to-10kHz	50μVrms
Current-Cathode	55μA
Maximum Operating Temperature	+ 70 C
Operating temperature range	0 C
Output-Voltage	1.24 V to 5.3 V
Package-Case	SOIC-8 Narrow
Initial-Accuracy	2 %
Shunt-Current-Max	20 mA
Maximum-Output-Voltage	5.3 V

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