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Product Overview
The LD39020ADTPU28R from STMicroelectronics is a high-performance, low-dropout (LDO) linear voltage regulator designed for space-constrained applications. Housed in a compact 4-DFN (1x1 mm) package, it delivers up to 200 mA output current with excellent accuracy and low quiescent current. The device operates over a wide input voltage range from 1.2 V to 5.5 V, making it suitable for battery-powered and portable electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current |
200 mA |
| Input Voltage Range |
1.2 V to 5.5 V |
| Output Voltage Accuracy |
±2% |
| Dropout Voltage |
120 mV (typ) at 200 mA |
| Quiescent Current |
30 µA (typ) |
| PSRR |
60 dB at 1 kHz |
| Output Noise |
30 µVrms (10 Hz to 100 kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
4-DFN (1x1 mm) |
Key Features
- Ultra-low dropout voltage: 120 mV at 200 mA
- Low quiescent current: 30 µA typical
- High PSRR: 60 dB at 1 kHz
- Low output noise: 30 µVrms
- Stable with ceramic capacitors
- Current limit and thermal protection
- Enable pin for power management
Target Applications
- 5G base station power management
- Automotive dashboard displays
- Portable medical devices
- Wearable electronics
- IoT sensor modules
- Battery-powered equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LD39020ADTPU28R. 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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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
LD39020ADTPU28R 是意法半導體(STMicroelectronics)推出的一款高性能低壓差線性穩壓器(LDO),專為空間受限的應用設計。該器件採用緊湊的 4-DFN(1x1 mm)封裝,可提供高達 200 mA 的輸出電流,具有出色的精度和低靜態電流。其輸入電壓範圍為 1.2 V 至 5.5 V,適用於電池供電和便攜式電子設備。
詳細技術參數
| 參數 |
數值 |
| 輸出電流 |
200 mA |
| 輸入電壓範圍 |
1.2 V 至 5.5 V |
| 輸出電壓精度 |
±2% |
| 壓差電壓 |
120 mV(典型值,200 mA 時) |
| 靜態電流 |
30 µA(典型值) |
| 電源抑制比 |
60 dB(1 kHz 時) |
| 輸出噪聲 |
30 µVrms(10 Hz 至 100 kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
4-DFN(1x1 mm) |
核心特性
- 超低壓差電壓:200 mA 時僅 120 mV
- 低靜態電流:典型值 30 µA
- 高電源抑制比:1 kHz 時 60 dB
- 低輸出噪聲:30 µVrms
- 可與陶瓷電容穩定工作
- 內置限流和熱保護
- 使能引腳用於電源管理
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤顯示
- 便攜式醫療設備
- 可穿戴電子產品
- 物聯網傳感器模塊
- 電池供電設備
環球供應鏈與批發合作夥伴方案
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