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Product Overview
The TLV70312DBVR is a low-dropout (LDO) linear voltage regulator from Texas Instruments, offering a fixed output voltage of 1.2V with a maximum output current of 300mA. Housed in a compact SOT-23-5 package, it is designed for space-constrained applications requiring low quiescent current and high accuracy. The device features a typical dropout voltage of 130mV at 300mA load, making it suitable for battery-powered systems. With an operating input voltage range from 1.4V to 5.5V, it supports a wide variety of power rails.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
1.2V (Fixed) |
| Output Current (Max) |
300mA |
| Dropout Voltage (Typ) |
130mV @ 300mA |
| Input Voltage Range |
1.4V to 5.5V |
| Quiescent Current (Typ) |
25µA |
| PSRR (1kHz) |
60dB |
| Output Noise (10Hz-100kHz) |
30µVrms |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low quiescent current: 25µA typical
- High PSRR: 60dB at 1kHz
- Low output noise: 30µVrms
- Stable with ceramic output capacitors (1µF)
- Overcurrent and thermal protection
- Active output discharge
Target Applications
- 5G base station power management (e.g., for RF transceiver analog supplies)
- Automotive dashboard clusters (e.g., powering MCU or display driver)
- Portable medical devices (e.g., glucose meter, pulse oximeter)
- Industrial sensor nodes (e.g., pressure transmitter, temperature sensor)
- Battery-powered IoT modules (e.g., BLE beacon, smart tag)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLV70312DBVR. 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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In-stock Inventory, Same-day Shipping: We maintain localized stock;
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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Escrow Secured Transactions: We support Escrow.com for secure
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
TLV70312DBVR 是德州儀器(TI)推出的低壓差線性穩壓器(LDO),提供固定的 1.2V 輸出電壓,最大輸出電流為 300mA。採用緊湊的 SOT-23-5 封裝,適用於對空間有嚴格要求的應用,具有低靜態電流和高精度特性。在 300mA 負載下,典型壓差電壓僅為 130mV,非常適合電池供電系統。輸入電壓範圍為 1.4V 至 5.5V,可支援多種電源軌。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
1.2V(固定) |
| 最大輸出電流 |
300mA |
| 典型壓差電壓 |
130mV @ 300mA |
| 輸入電壓範圍 |
1.4V 至 5.5V |
| 典型靜態電流 |
25µA |
| 電源抑制比(1kHz) |
60dB |
| 輸出噪聲(10Hz-100kHz) |
30µVrms |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低靜態電流:典型值 25µA
- 高電源抑制比:1kHz 時 60dB
- 低輸出噪聲:30µVrms
- 可使用陶瓷輸出電容器(1µF)穩定工作
- 過流和過熱保護
- 主動輸出放電功能
典型應用場景
- 5G 基站電源管理(例如為射頻收發器模擬電源供電)
- 汽車儀表盤(例如為 MCU 或顯示驅動器供電)
- 便攜式醫療設備(例如血糖儀、脈搏血氧儀)
- 工業傳感器節點(例如壓力變送器、溫度傳感器)
- 電池供電的物聯網模組(例如 BLE 信標、智能標籤)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TLV70312DBVR 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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