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Product Overview
The TPS73HD301PWPR from Texas Instruments is a dual-output low-dropout (LDO) voltage regulator designed for applications requiring high performance and reliability. It provides two regulated outputs: a fixed 3.3V output and an adjustable output (1.2V to 9.75V), with a maximum dropout voltage of 350mV at full load. Housed in a 28-pin HTSSOP (PowerPAD) package, it offers excellent thermal performance and space-saving design. The device features low quiescent current, fast transient response, and built-in protection circuits including overcurrent and overtemperature shutdown.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (Fixed) |
3.3V |
| Output Voltage (Adjustable) |
1.2V to 9.75V |
| Output Current per Channel |
750mA |
| Dropout Voltage (Typical) |
350mV at 750mA |
| Quiescent Current |
340µA (typical) |
| Line Regulation |
0.01%/V |
| Load Regulation |
0.05%/A |
| PSRR |
60dB at 1kHz |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
28-HTSSOP (PowerPAD) |
Key Features
- Dual output LDO with one fixed (3.3V) and one adjustable output
- Low dropout voltage: 350mV at 750mA
- Low quiescent current: 340µA
- Fast transient response
- Built-in overcurrent and overtemperature protection
- Enable pin for power sequencing
- PowerPAD package for enhanced thermal dissipation
- Stable with ceramic output capacitors
Target Applications
- 5G base station power management (e.g., for FPGA core and I/O rails)
- Automotive dashboard displays and infotainment systems
- Industrial control systems requiring dual voltage rails
- Medical devices (e.g., patient monitors)
- Telecommunications equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS73HD301PWPR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
TPS73HD301PWPR 是德州儀器(TI)推出的雙輸出低壓差(LDO)穩壓器,專為需要高性能和高可靠性的應用而設計。它提供兩個穩壓輸出:一個固定的 3.3V 輸出和一個可調輸出(1.2V 至 9.75V),在滿載時最大壓差為 350mV。器件採用 28 引腳 HTSSOP(PowerPAD)封裝,具有出色的熱性能和節省空間的設計。該器件具有低靜態電流、快速瞬態響應以及內置的過流和過溫關斷保護電路。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓(固定) |
3.3V |
| 輸出電壓(可調) |
1.2V 至 9.75V |
| 每通道輸出電流 |
750mA |
| 典型壓差 |
350mV(750mA 時) |
| 靜態電流 |
340µA(典型值) |
| 線性調整率 |
0.01%/V |
| 負載調整率 |
0.05%/A |
| 電源抑制比 |
60dB(1kHz) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
28-HTSSOP(PowerPAD) |
核心特性
- 雙輸出 LDO,一個固定 3.3V 和一個可調輸出
- 低壓差:750mA 時 350mV
- 低靜態電流:340µA
- 快速瞬態響應
- 內置過流和過溫保護
- 使能引腳用於電源排序
- PowerPAD 封裝增強散熱
- 與陶瓷輸出電容器穩定工作
典型應用場景
- 5G 基站電源管理(例如 FPGA 核心和 I/O 電源軌)
- 汽車儀表板顯示和資訊娛樂系統
- 需要雙電壓軌的工業控制系統
- 醫療設備(例如病人監護儀)
- 電信設備
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