Texas Instruments' TPS7A3001 is a negative, high-voltage (-36 V), ultra-low noise (15.1 µVRMS, 72dB PSRR) linear regulator capable of sourcing a maximum load of 200 mA. This linear regulator includes a CMOS logic-level-compatible enable pin and capacitor-programmable soft-start function that allows for customized power-management schemes. Other features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions. The TPS7A30xx family is designed using bipolar technology and is ideal for high-accuracy, high-precision instrumentation applications where clean voltage rails are critical to maximize system performance. In addition, the TPS7A3001 is suitable for post DC/DC converter regulation. By filtering out the output voltage ripple inherent to DC/DC switching conversion, maximum system performance is provided in sensitive instrumentation, test and measurement, audio, and RF applications.
| Features |
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Applications |
- Input voltage range: -3 V to -36 V
- Noise:
- 14 µVRMS (20Hz to 20kHz)
- 15.1 µVRMS (10 Hz to 100 kHz)
- Power-supply ripple rejection:
- 72 dB (120 Hz)
- ≥55 dB (10 Hz to 700 kHz)
- Adjustable output: -1.18 V to -33 V
- Maximum output current: 200 mA
- Dropout voltage: 216 mV at 100 mA
- Stable with ceramic capacitors ≥ 2.2µF
- CMOS logic-level-compatible enable pin
- Built-in, fixed, current limit and thermal shutdown protection
- High thermal performance MSOP-8 PowerPAD™ package
- Operating temperature range: -40°C to +125°C
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- Supply rails for op amps, DACs, ADCs, and other high-precision analog circuitry
- Audio
- Post DC/DC converter regulation and
ripple filtering
- Test and measurement
- RX, TX, and PA circuitry
- Industrial instrumentation
- Base stations and telecom infrastructure
- -12 V and -24 V industrial buses
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Texas Instruments' TPS7A3001 is a negative, high-voltage (-36 V), ultra-low noise (15.1 µVRMS, 72dB PSRR) linear regulator capable of sourcing a maximum load of 200 mA. This linear regulator includes a CMOS logic-level-compatible enable pin and capacitor-programmable soft-start function that allows for customized power-management schemes. Other features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions. The TPS7A30xx family is designed using bipolar technology and is ideal for high-accuracy, high-precision instrumentation applications where clean voltage rails are critical to maximize system performance. In addition, the TPS7A3001 is suitable for post DC/DC converter regulation. By filtering out the output voltage ripple inherent to DC/DC switching conversion, maximum system performance is provided in sensitive instrumentation, test and measurement, audio, and RF applications.
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