TPS715

現行

50mA 24V 超低 IQ 低壓差 (LDO) 電壓穩壓器

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產品規格表

document-pdfAcrobat TPS715 50-mA, 24-V, 3.2-μA Quiescent Current, Low-Dropout Linear Regulator datasheet (Rev. T) (英文) PDF | HTML

TPS715

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Vin (max) (V)

24

Vin (min) (V)

2.5

Iout (max) (A)

0.05

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

15

Vout (min) (V)

1.2

Fixed output options (V)

1.8, 1.9, 2.3, 2.5, 3, 3.3, 3.4, 4.5, 5

Noise (µVrms)

575

PSRR at 100 KHz (dB)

42

Iq (typ) (mA)

0.003

Thermal resistance θJA (°C/W)

229.0, 229, 236

Load capacitance (min) (µF)

0.47

Regulated outputs (#)

1

Accuracy (%)

4

Dropout voltage (Vdo) (typ) (mV)

415

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Vin (max) (V)

24

Vin (min) (V)

2.5

Iout (max) (A)

0.05

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

15

Vout (min) (V)

1.2

Fixed output options (V)

1.8, 1.9, 2.3, 2.5, 3, 3.3, 3.4, 4.5, 5

Noise (µVrms)

575

PSRR at 100 KHz (dB)

42

Iq (typ) (mA)

0.003

Thermal resistance θJA (°C/W)

229.0, 229, 236

Load capacitance (min) (µF)

0.47

Regulated outputs (#)

1

Accuracy (%)

4

Dropout voltage (Vdo) (typ) (mV)

415

Operating temperature range (°C)

-40 to 125

SOT-SC70 (DCK)

5

4.2 mm² (2 mm × 2.1 mm)

Input voltage range:
- 2.5 V to 24 V (30 V max for new chip only)
Available output voltage options:
- Fixed: 1.8 V to 5 V
- Adjustable: 1.205 V to 15 V
Output current: Up to 50 mA
Very low I_Q: 3.2 µA at 50-mA load current
Stable with output capacitor ≥ 0.47 µF
Overcurrent protection
Package: 5-pin SC70 (DCK)
Operating junction temperature: –40°C to +125°C
For an 80-mA rated current and higher power package, see the TPS715A

Input voltage range:
- 2.5 V to 24 V (30 V max for new chip only)
Available output voltage options:
- Fixed: 1.8 V to 5 V
- Adjustable: 1.205 V to 15 V
Output current: Up to 50 mA
Very low I_Q: 3.2 µA at 50-mA load current
Stable with output capacitor ≥ 0.47 µF
Overcurrent protection
Package: 5-pin SC70 (DCK)
Operating junction temperature: –40°C to +125°C
For an 80-mA rated current and higher power package, see the TPS715A

The TPS715 low-dropout (LDO) linear voltage regulator is low quiescent current device that offers the benefits of a wide input voltage range and low-power operation in miniaturized packaging. Thus, the TPS715 is designed for battery-powered applications and as a power-management attachment to low-power microcontrollers.

The TPS715 is available in both fixed and adjustable versions. For more flexibility or higher output voltages, the adjustable version uses feedback resistors to set the output voltage from 1.205 V to 15 V. The TPS715 LDOs support a low dropout of typically 415 mV at 50 mA of load current. The low quiescent current (3.2 µA typically) is stable over the entire range of output load current (0 mA to 50 mA). The TPS715 also features an internal soft-start to lower the inrush current. The built-in overcurrent limit helps protect the regulator in the event of a load short or fault.

The TPS715 low-dropout (LDO) linear voltage regulator is low quiescent current device that offers the benefits of a wide input voltage range and low-power operation in miniaturized packaging. Thus, the TPS715 is designed for battery-powered applications and as a power-management attachment to low-power microcontrollers.

The TPS715 is available in both fixed and adjustable versions. For more flexibility or higher output voltages, the adjustable version uses feedback resistors to set the output voltage from 1.205 V to 15 V. The TPS715 LDOs support a low dropout of typically 415 mV at 50 mA of load current. The low quiescent current (3.2 µA typically) is stable over the entire range of output load current (0 mA to 50 mA). The TPS715 also features an internal soft-start to lower the inrush current. The built-in overcurrent limit helps protect the regulator in the event of a load short or fault.

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技術文件

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重要文件	類型	標題	格式選項	日期
*	資料表	TPS715 50-mA, 24-V, 3.2-μA Quiescent Current, Low-Dropout Linear Regulator datasheet (Rev. T)	PDF \| HTML	2022/12/2
	應用說明	An empirical analysis of the impact of board layout on LDO thermal performance (Rev. A)	PDF \| HTML	2025/9/23
	白皮書	Understanding the Foundations of Quiescent Current in Linear Power Systems		2021/2/18
	應用說明	A Topical Index of TI LDO Application Notes (Rev. F)		2019/6/27
	電子書	LDO Basics (Rev. A)		2019/4/8
	應用說明	LDO PSRR Measurement Simplified (Rev. A)	PDF \| HTML	2017/8/9
	技術文章	LDO basics: dropout	PDF \| HTML	2017/3/16
	類比設計期刊	Host-Side Gas-Gauge-System Design Considerations for Single-Cell Handheld Apps		2007/10/12
	類比設計期刊	Complete battery-pack design for one- or two-cell portable applications		2006/7/17
	應用說明	The TPS71501 External PNP Transistor Boosts LDO Output Current		2003/4/1

設計與開發

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開發板

TPS71533EVM — TPS71533 評估模組

此評估模組 (EVM) 旨在協助評估 TPS715xx 低壓降 (LDO) 穩壓器系列。每個 EVM 印刷電路板 (PCB) 都包含 TPS71533 LDO 線性穩壓器並支援被動元件。此外，此主機板的小尺寸和側邊固定夾可幫助將其連接至其他 PCB 作為電源模組使用。

使用指南: PDF

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開發板

TPS715EVM-074 — 適用 50-mA、24-V、超低 IQ、低壓差 (LDO) 電壓穩壓器的 TPS715 評估模組

TPS715 評估模組 (EVM) 可用來評估 TPS715 線性穩壓器的運作及性能，以在電路應用中使用。

此 EVM 配置包含 50-mA 低壓差 (LDO) 穩壓器。該穩壓器提供 50 mA，並具備高達 24 V 及 30-V 暫態的廣泛輸入電壓 (V_IN) 範圍。為確保 TPS715 的穩定性、請搭配低等效串聯電阻 (ESR) 使用最低 0.47 µF 或更高的有效輸出電容。

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開發套件

TIEVM-HV-1PH-DCAC — 具有電壓源和併聯模式的單相逆變器開發套件

此參考設計實現了單相逆變器 (DC-AC) 控制，採用 C2000™ F2837xD 與 F28004x 微控制器。設計支援逆變器的兩種操作模式。首先是使用輸出 LC 濾波器的電壓源模式，此控制模式通常用於不斷電裝置。第二個則是搭載輸出 LCL 濾波器的併聯模式，通常用於太陽能逆變器。powerSUITE 架構支援適用於設計的韌體，可利用 Solution Adapter 進行修改，並利用 Compensation Designer 和 SFRA 調整控制迴路。高效率、低 THD 和直覺式軟體，讓此設計對於從事 UPS 逆變器設計以及 PV (...)

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