Texas Instruments
Texas Instruments TPS7A8300 低压差稳压器能够在压降最大值只有 125 mV 的情况下提供一个 2A 负载。TI TPS7A8300 使用一个印刷电路板 (PCB) 布局布线，在无需外部电阻器或前馈电容器的情况下，具有用户完全可调（高达 3.95V）的输出电压，从而减少了总体组件数量。对于更高输出电压应用，此器件在使用外部电阻器的情况下可实现高达 5V 的输出电压。 借助于一个额外的偏置电压轨，TPS7A8300 支持极低输出电压（低至 1.1V）。TPS7A8300 针对高速通信应用中的加电噪声敏感组件而设计。
特性
- Ultra low dropout: 125mV maximum at 2A
- Output voltage noise: 6µVRMS
- Power-supply ripple rejection: 40dB at 1MHz
- Input voltage range:
- Without bias: +1.4V to +6.5V
- With bias: +1.1V to +6.5V
- Two output voltage modes
- ANY-OUT™ version (user-programmable output via PCB layout)
- No external resistor or feed-forward capacitors required
- Output voltage range: +0.8V to 3.95V
- Adjustable version: output voltage range: +0.8V to 5.0V
- 1% accuracy over line, load, and temperature
- Stable with a 22µF output ceramic capacitor
- Programmable soft-start and Power-Good (PG) output
应用
- RF and IF components: VCO, ADC, DAC, LVDS
- Wireless infrastructure: SerDes, FPGA, DSP™
- Test and measurement
- Instrumentation
- Medical
- Audio
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视频
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