The LM236-2.5, LM336-2.5, and LM336B-2.5 integrated circuits are precision 2.5-V shunt regulator diodes. These reference circuits operate as low-temperature-coefficient 2.5-V Zeners diodes with a 0.2- dynamic impedance. A third terminal provided on the circuit allows the reference voltage and temperature coefficient to be trimmed easily.

The series is useful as precision 2.5-V low-voltage references (V_Z) for digital voltmeters, power supplies, or operational-amplifier circuitry. The 2.5-V voltage reference makes it convenient to obtain a stable reference from 5-V logic supplies. Devices in this series operate as shunt regulators, and can be used as either positive or negative voltage references.

The LM236-2.5 is characterized for operation from –25°C to 85°C. The LM336-2.5 and LM336B-2.5 are characterized for operation from 0°C to 70°C.

• Low Temperature Coefficient
• Wide Operating Current...400 A to 10 mA
• 0.27- Dynamic Impedance
• ±1% Tolerance Available
• Specified Temperature Stability
• Easily Trimmed for Minimum Temperature Drift
• Fast Turnon

• VO (V)
• 2.49
• Reference voltage
• Fixed
• Initial accuracy (Max) (%)
• 2
• VO adj (Min) (V)
• 2.49
• VO adj (Max) (V)
• 2.49
• Iz for regulation (Min) (uA)
• 400
• Rating
• Catalog
• Temp coeff (Max) (ppm/ degree C)
• 52
• Operating temperature range (C)
• -25 to 85
• Iout/Iz (Max) (mA)
• 10

LM236-2.5的完整型号有：LM236D-2-5、LM236DR-2-5，以下是这些产品的关键参数及官网采购报价：

LM236D-2-5，工作温度：-25 to 85，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网LM236D-2-5的批量USD价格：.992（1000+）

LM236DR-2-5，工作温度：-25 to 85，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网LM236DR-2-5的批量USD价格：.827（1000+）

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