TPS7A89

現行

2A、低雜訊、高準確度、雙通道可調整超低壓差電壓穩壓器

立即訂購

產品規格表

document-pdfAcrobat TPS7A89 Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator datasheet (Rev. A) (英文) PDF | HTML

TPS7A89

現行

產品規格表

立即訂購

產品詳細資料

Output options

Adjustable Output, Dual output

Iout (max) (A)

2

Vin (max) (V)

6.5

Vin (min) (V)

1.4

Vout (max) (V)

5.2

Vout (min) (V)

0.8

Rating

Catalog

Noise (µVrms)

3.8

PSRR at 100 KHz (dB)

35

Iq (typ) (mA)

2.1

Thermal resistance θJA (°C/W)

33

Load capacitance (min) (µF)

10

Regulated outputs (#)

2

Features

Enable, Foldback Overcurrent protection, Power good, Soft start

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

260

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Dual output

Iout (max) (A)

2

Vin (max) (V)

6.5

Vin (min) (V)

1.4

Vout (max) (V)

5.2

Vout (min) (V)

0.8

Rating

Catalog

Noise (µVrms)

3.8

PSRR at 100 KHz (dB)

35

Iq (typ) (mA)

2.1

Thermal resistance θJA (°C/W)

33

Load capacitance (min) (µF)

10

Regulated outputs (#)

2

Features

Enable, Foldback Overcurrent protection, Power good, Soft start

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

260

Operating temperature range (°C)

-40 to 125

WQFN (RTJ)

20

16 mm² 4 x 4

Two Independent LDO Channels
4-mm × 4-mm, 20-Pin WQFN Package
Low Output Noise: 3.8 µV_RMS (10 Hz to 100 kHz)
Low Dropout: 180 mV (typ) at 2 A
Wide Input Voltage Range: 1.4 V to 6.5 V
Wide Output Voltage Range: 0.8 V to 5.2 V
High Power-Supply Rejection Ratio (PSRR):
- 75 dB at DC
- 40 dB at 100 kHz
- 40 dB at 1 MHz
1.0% Accuracy Over Line, Load, and Temperature
Excellent Load Transient Response
Adjustable Start-Up In-Rush Control
Selectable Soft-Start Charging Current
Independent Open-Drain Power-Good (PGx) Outputs
Stable with a 10 µF or Larger Ceramic Output Capacitor

Two Independent LDO Channels
4-mm × 4-mm, 20-Pin WQFN Package
Low Output Noise: 3.8 µV_RMS (10 Hz to 100 kHz)
Low Dropout: 180 mV (typ) at 2 A
Wide Input Voltage Range: 1.4 V to 6.5 V
Wide Output Voltage Range: 0.8 V to 5.2 V
High Power-Supply Rejection Ratio (PSRR):
- 75 dB at DC
- 40 dB at 100 kHz
- 40 dB at 1 MHz
1.0% Accuracy Over Line, Load, and Temperature
Excellent Load Transient Response
Adjustable Start-Up In-Rush Control
Selectable Soft-Start Charging Current
Independent Open-Drain Power-Good (PGx) Outputs
Stable with a 10 µF or Larger Ceramic Output Capacitor

The TPS7A89 is a dual, low-noise (3.8 µV_RMS), low-dropout (LDO) voltage regulator capable of sourcing 2 A per channel with only 400 mV of maximum dropout.

The TPS7A89 provides the flexibility of two independent LDOs and approximately 60% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.2 V. The wide input-voltage range of the TPS7A89 supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A89 is ideal for powering sensitive analog low-voltage devices [such as voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), high-end processors, and field-programmable gate arrays (FPGAs)].

The TPS7A89 is designed to power noise-sensitive components such as those found in high-speed communication, video, medical, or test and measurement applications. The very low 3.8-µV_RMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize the performance of clocking devices, ADCs, and DACs.

The TPS7A89 is a dual, low-noise (3.8 µV_RMS), low-dropout (LDO) voltage regulator capable of sourcing 2 A per channel with only 400 mV of maximum dropout.

The TPS7A89 provides the flexibility of two independent LDOs and approximately 60% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.2 V. The wide input-voltage range of the TPS7A89 supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A89 is ideal for powering sensitive analog low-voltage devices [such as voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), high-end processors, and field-programmable gate arrays (FPGAs)].

The TPS7A89 is designed to power noise-sensitive components such as those found in high-speed communication, video, medical, or test and measurement applications. The very low 3.8-µV_RMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize the performance of clocking devices, ADCs, and DACs.

filter

尋找其它線性與低壓差 (LDO) 穩壓器

下載觀看有字幕稿的影片影片

查看 TI.com 庫存中的類似產品

規格相似的產品依可用的 TI.com 庫存排序。

立即檢視

技術文件

star

=TI 所選的此產品重要文件

找不到結果。請清除您的搜尋條件，然後再試一次。

檢視所有 4

	類型	標題		日期
*	Data sheet	TPS7A89 Small, Dual, 2-A, Low-Noise (3.8 μVRMS), LDO Voltage Regulator datasheet (Rev. A)	PDF \| HTML	2016年 7月 15日
	White paper	Parallel LDO Architecture Design Using Ballast Resistors	PDF \| HTML	2022年 12月 14日
	White paper	Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast	PDF \| HTML	2022年 12月 13日
	Selection guide	Low Dropout Regulators Quick Reference Guide (Rev. P)		2018年 3月 21日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS7A8901EVM-853 — TPS7A89 小型雙路 2A 低雜訊 (3.8 μVRMS) LDO 電壓穩壓器評估模組

The TPS7A8901EVM-853 evaluation module is designed for a typical configuration to evaluate the operation and performance of the TPS7A89, dual 2-A low dropout voltage regulator. The EVM circuit board is configured to be a reference design for engineering applications requiring current to a dynamic (...)

使用指南: PDF