TPS7A30

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具有使能功能的 200mA、低噪声、高 PSRR、负电压、可调节低压降稳压器

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数据表

document-pdfAcrobat TPS7A30 –35-V, –200-mA, Ultralow-Noise, Negative Linear Regulator 数据表 (Rev. D) (英语) PDF | HTML

TPS7A30

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数据表

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Output options

Adjustable Output, Negative Output

Iout (max) (A)

0.2

Vin (max) (V)

-3

Vin (min) (V)

-36

Vout (max) (V)

-1.2

Vout (min) (V)

-33

Noise (µVrms)

15

Iq (typ) (mA)

0.05

Thermal resistance θJA (°C/W)

48

Rating

Catalog

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

1

Features

Enable, Soft start

Accuracy (%)

2.5

PSRR at 100 KHz (dB)

55

Dropout voltage (Vdo) (typ) (mV)

216

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Negative Output

Iout (max) (A)

0.2

Vin (max) (V)

-3

Vin (min) (V)

-36

Vout (max) (V)

-1.2

Vout (min) (V)

-33

Noise (µVrms)

15

Iq (typ) (mA)

0.05

Thermal resistance θJA (°C/W)

48

Rating

Catalog

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

1

Features

Enable, Soft start

Accuracy (%)

2.5

PSRR at 100 KHz (dB)

55

Dropout voltage (Vdo) (typ) (mV)

216

Operating temperature range (°C)

-40 to 125

HVSSOP (DGN)

8

14.7 mm² 3 x 4.9

VSON (DRB)

8

9 mm² 3 x 3

Input Voltage Range: –3 V to –35 V
Noise:
- 14 µV_RMS (20 Hz to 20 kHz)
- 15.1 µV_RMS (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 ≥ 2.2 µF
CMOS Logic-Level-Compatible Enable Pin
Built-In, 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

Input Voltage Range: –3 V to –35 V
Noise:
- 14 µV_RMS (20 Hz to 20 kHz)
- 15.1 µV_RMS (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 ≥ 2.2 µF
CMOS Logic-Level-Compatible Enable Pin
Built-In, 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

The TPS7A30 series of devices are negative, high-voltage (–35 V), ultralow-noise (15.1 µV_RMS, 72-dB PSRR) linear regulators that can source a maximum load of 200 mA.

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 features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions.

The TPS7A30 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 TPS7A30 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 that require positive and negative high-performance rails, consider TI’s TPS7A49 family of positive high-voltage, ultralow-noise linear regulators.

The TPS7A30 series of devices are negative, high-voltage (–35 V), ultralow-noise (15.1 µV_RMS, 72-dB PSRR) linear regulators that can source a maximum load of 200 mA.

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 features include built-in current limit and thermal shutdown protection to safeguard the device and system during fault conditions.

The TPS7A30 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 TPS7A30 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 that require positive and negative high-performance rails, consider TI’s TPS7A49 family of positive high-voltage, ultralow-noise linear regulators.

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具有使能功能的 200mA、负电压、可调节低压降稳压器 Low-noise, negative LDO available in small packages.

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	类型	标题		下载最新的英语版本	日期
*	数据表	TPS7A30 –35-V, –200-mA, Ultralow-Noise, Negative Linear Regulator 数据表 (Rev. D)	PDF \| HTML		2015年 6月 9日
	白皮书	Parallel LDO Architecture Design Using Ballast Resistors	PDF \| HTML		2022年 12月 14日
	白皮书	Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast	PDF \| HTML		2022年 12月 13日
	应用手册	L1 和 L2 电动汽车充电器电动汽车服务设备设计注意事项 (Rev. B)	PDF \| HTML	英语版 (Rev.B)	2021年 7月 16日
	应用手册	A Topical Index of TI LDO Application Notes (Rev. F)			2019年 6月 27日
	选择指南	电源管理指南 2018 (Rev. K)			2018年 7月 31日
	选择指南	电源管理指南 2018 (Rev. R)			2018年 6月 25日
	选择指南	Low Dropout Regulators Quick Reference Guide (Rev. P)			2018年 3月 21日
	技术文章	Powering up the performance of sensitive test and measurement systems	PDF \| HTML		2017年 10月 17日
	选择指南	低压降稳压器快速参考指南 (Rev. M)		最新英语版本 (Rev.P)	2017年 1月 5日
	更多文献资料	工业传感器和现场发送器			2011年 7月 28日
	EVM 用户指南	TPS7A30-49EVM-567 User's Guide			2010年 8月 27日

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TI 模拟有源分频器音频插件模块可将 TI 音频 D 类放大器 EVM 变为高质量的二分频扬声器放大器。此插件模块可轻松去除无源扬声器中尺寸较大而且成本高昂的无源分频器，并形成一款效率更高、尺寸更小的双放大器双向系统。该板具有可调的高通滤波器、低通滤波器、挡板步降和延迟，可以为高频扬声器和低音扬声器产生两个音频输出信号。在设计有源扬声器时可以获得许多优势，包括匹配良好并经过微调的音频。开始使用模拟有源分频器音频插件模块，设计您的下一款扬声器！

用户指南: PDF

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TPS7A30-49EVM-567 — TPS7A3001 和 TPS7A4901 低压降 (LDO) 线性稳压器评估模块

TPS7A30-49EVM-567 是一块完全组装且经过测试的电路板，用于评估采用 DGN (3mm x 5mm MSOP-8) 封装的 TPS7A3001 和 TPS7A4901 低压降线性稳压器。TPS7A30-49EVM-567 包括两个独立的电路，其输出分别为 -15V 和 +15V。这两个独立的电路位于同一模块上，可简化分离轨应用的评估过程。

用户指南: PDF