- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：线性和低压降 (LDO) 稳压器
- 功能描述：具有正负基准电压的 36V 线性稳压器控制器
- 点击这里打开及下载UC3834的技术文档资料
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The UC1834 family of integrated circuits is optimized for the design of low input-output differential linear regulators. A high gain amplifier and 200mA sink or source drive outputs facilitate high output current designs which use an external pass device. With both positive and negative precision references, either polarity of regulator can be implemented. A current sense amplifier with a low, adjustable, threshold can be used to sense and limit currents in either the positive or negative supply lines.
In addition, this series of parts has a fault monitoring circuit which senses both under and over-voltage fault conditions. After a user defined delay for transient rejection, this circuitry provides a fault alert output for either fault condition. In the over-voltage case, a 100mA crowbar output is activated. An over-voltage latch will maintain the crowbar output and can be used to shutdown the driver outputs. System control to the device can be accommodated at a single input which will act as both a supply reset and remote shutdown terminal. These die are protected against excessive power dissipation by an internal thermal shutdown function.
- Minimum VIN - VOUT Less Than 0.5V At 5A Load With External Pass Device
- Equally Usable For Either Positive or Negative Regulator Design
- Adjustable Low Threshold Current Sense Amplifier
- Under And Over-Voltage Fault Alert With Programmable Delay
- Over-Voltage Fault Latch With 100mA Crowbar Drive Output
- Output options
- Dual Output, Fixed Output
- Vin (Max) (V)
- 36
- Vin (Min) (V)
- 5
- Vout (Max) (V)
- 35
- Vout (Min) (V)
- 2
- Fixed output options (V)
- -2, 1.5
- Iq (Typ) (mA)
- 5.5
- Thermal resistance θJA (°C/W)
- 65
- Rating
- Catalog
- Regulated outputs (#)
- 2
- Features
- —
- Accuracy (%)
- 2
- Dropout voltage (Vdo) (Typ) (mV)
- 500
- Operating temperature range (C)
- 0 to 70
UC3834的完整型号有：UC3834DW，以下是这些产品的关键参数及官网采购报价：
UC3834DW，工作温度：0 to 70，封装：SOIC (DW)-16，包装数量MPQ：40个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UC3834DW的批量USD价格：7.909（1000+）
UC3834DW，工作温度：0 to 70，封装：SOIC (DW)-16，包装数量MPQ：40个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UC3834DW的批量USD价格：7.909（1000+）
