- 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：具有使能功能的汽车类 200mA、低 IQ、负电压、可调节低压降稳压器
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The TPS7A3401 device is a negative, high-voltage (–20-V), low-noise linear regulator capable of sourcing a maximum load of 200 mA.
These linear regulators include a CMOS logic-level-compatible enable pin. Other features available include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions.
The TPS7A3401 is designed using bipolar technology, and is ideal for instrumentation applications where clean voltage rails are critical for improving system performance. This design makes it a cost-effective choice to power operational amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other analog circuitry.
In addition, the TPS7A3401 linear regulator is suitable for cost-effective, post DC-DC converter regulation. By filtering out the output voltage ripple inherent to DC-DC switching conversion, increased system performance is provided in instrumentation applications.
- Input Voltage Range: –3 V to –20 V
- Noise:
- 80 μVRMS (10 Hz to 100 kHz)
- Power-Supply Ripple Rejection:
- 50 dB (1 kHz)
- ≥ 27 dB (10 Hz to 1 MHz)
- Adjustable Output: Approximately –1.18 V to –18 V
- Maximum Output Current: 200 mA
- Dropout Voltage: 500 mV at 100 mA
- Stable With Ceramic Capacitors ≥ 2.2 μF
- CMOS Logic-Level-Compatible Enable Pin
- Built-In, Fixed, Current Limit, and Thermal Shutdown Protection
- Available in High Thermal Performance MSOP-8 PowerPAD? Package
- Operating Temperature Range: –40°C to 125°C
- Output options
- Adjustable Output, Negative Output
- Iout (Max) (A)
- 0.2
- Vin (Max) (V)
- -3
- Vin (Min) (V)
- -20
- Vout (Max) (V)
- -1.2
- Vout (Min) (V)
- -18
- Noise (uVrms)
- 80
- Iq (Typ) (mA)
- 0.05
- Thermal resistance θJA (°C/W)
- 63
- Rating
- Catalog
- Load capacitance (Min) (μF)
- 2.2
- Regulated outputs (#)
- 1
- Features
- Enable
- Accuracy (%)
- 2.5
- PSRR @ 100 KHz (dB)
- 31
- Dropout voltage (Vdo) (Typ) (mV)
- 216
- Operating temperature range (C)
- -40 to 125
TPS7A3401的完整型号有：TPS7A3401DGNR、TPS7A3401DGNT，以下是这些产品的关键参数及官网采购报价：
TPS7A3401DGNR，工作温度：-40 to 125，封装：HVSSOP (DGN)-8，包装数量MPQ：2500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TPS7A3401DGNR的批量USD价格：1.404（1000+）
TPS7A3401DGNT，工作温度：-40 to 125，封装：HVSSOP (DGN)-8，包装数量MPQ：250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TPS7A3401DGNT的批量USD价格：1.685（1000+）
TPS7A3401DGNR，工作温度：-40 to 125，封装：HVSSOP (DGN)-8，包装数量MPQ：2500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TPS7A3401DGNR的批量USD价格：1.404（1000+）
TPS7A3401DGNT，工作温度：-40 to 125，封装：HVSSOP (DGN)-8，包装数量MPQ：250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TPS7A3401DGNT的批量USD价格：1.685（1000+）
