TPS7A49 - 3V 至 36V 输入电压、150mA、超低噪声、高 PSRR、低压降线性稳压器

TPS7A49是TI德州仪器公司的一款单通道LDO产品，TPS7A49是3V 至 36V 输入电压、150mA、超低噪声、高 PSRR、低压降线性稳压器，本站介绍了TPS7A49的封装应用图解、特点和优点、功能等，并给出了与TPS7A49相关的TI元器件型号供参考。

TPS7A49 - 3V 至 36V 输入电压、150mA、超低噪声、高 PSRR、低压降线性稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

Input Voltage Range: 3 V to 36 V
Noise:
- 12.7 μVRMS (20 Hz to 20 kHz)
- 15.4 μVRMS (10 Hz to 100 kHz)
Power-Supply Ripple Rejection:
- 72 dB (120 Hz)
- ≥ 52 dB (10 Hz to 400 kHz)
Adjustable Output: 1.194 V to 33 V
Output Current: 150 mA
Dropout Voltage: 260 mV at 100 mA
Stable with Ceramic Capacitors ≥ 2.2 μF
CMOS Logic-Level-Compatible Enable Pin
Fixed Current-Limit and Thermal Shutdown Protection
Packages: 8-Pin HVSSOP PowerPAD™ and 3-mm × 3-mm VSON
Operating Temperature Range: –40°C to 125°C

产品应用

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

产品说明

The TPS7A49 series of devices are positive, high-voltage (36 V), ultralow-noise (15.4 μVRMS, 72-dB PSRR) linear regulators that can source a 150-mA load.

These linear regulators include a CMOS logic-level-compatible enable pin and capacitor-programmable soft-start function that allows for customized power-management schemes. Other available features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions.

The TPS7A49 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. This design makes the device an excellent choice to power operational amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other high-performance analog circuitry.

In addition, the TPS7A49 family of linear regulators 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.

For applications where positive and negative high-performance rails are required, consider TI’s TPS7A30xx family of negative high-voltage, ultralow-noise linear regulators as well.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS7A49	HVSSOP PowerPAD (8)	3.00 mm × 3.00 mm
TPS7A49	VSON (8)	3.00 mm × 3.00 mm

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