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参数资料
| 型号： | LM236ZAP |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49 V, PBCY3 |
| 封装： | ROHS COMPLIANT, PLASTIC, TO-92, 3 PIN |
| 文件页数： | 11/15页 |
| 文件大小： | 429K |
| 代理商： | LM236ZAP |
LM236-LM336
Application information
5/15
4
Application information
The LM236, LM336 voltage references are easier to use than zener diodes. Their low
impedance and wide current range facilitate biasing in any circuits. Besides, the breakdown
voltage or the temperature coefficient can be adjusted so as to optimize the performance of
the circuit.
Figure 9 represents a LM336 with a 10k
Ω potentiometer to adjust the reverse breakdown
voltage which can be adjusted without altering the temperature coefficient of the circuit. The
adjustment range is generally sufficient to adjust the initial tolerance of the circuit and the
inaccuracy of the amplifier circuit.
To obtain a lower temperature coefficient two diodes can be connected in series as
indicated in Figure 10.
When the circuit is adjusted to 2.49V the temperature coefficient is minimized.
For a correct temperature coefficient, the diodes should be at the same ambient
temperature as the LM336. The value of R1 is not critical (2-20k
Ω).
Figure 9.
LM336 with pot for adjustment of
breakdown voltage
Figure 10.
Temperature coefficient adjustment
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相关代理商/技术参数 |
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| LM236Z-AP | 功能描述:基准电压& 基准电流 2.5 Volt Precision RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| LM236ZT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2.5V voltage references |
| LM237 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-TERMINAL ADJUSTABLE REGULATORS |
| LM237_07 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-TERMINAL ADJUSTABLE REGULATORS |
| LM237H | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS THREE-TERMINAL ADJUSTABLE |
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