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TLV70233DBVR

3.3V 300mA LDO, 35uA Iq, 68dB PSRR, SOT-23-5

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制造商零件：

TLV70233DBVR

包装：

SOT-23-5 (2.9 x 1.6 x 1.2 mm)

品牌：
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说明

产品概览

The TLV70233DBVR from Texas Instruments is a 300mA low-IQ LDO regulator with 3.3V fixed output, 68dB PSRR, and enable pin in SOT-23-5 package.

主要规格

Output Voltage 3.3V fixed (+/-2%)
输出电流 300 mA
Dropout Voltage 220 mV @ 300mA (VOUT=2.8V)
输入电压 2V to 5.5V
静态电流 35 uA typical
PSRR 68 dB @ 1kHz
Output Noise 48 uV RMS
Enable Yes (1uA shutdown)
Stable With 0.1uF minimum output capacitor
包装 SOT-23-5 (DBV suffix)
工作温度 -40 to +125 C

特点

  • 35uA low quiescent current for battery-powered applications
  • 68dB high PSRR for clean RF supply
  • Stable with only 0.1uF output capacitor
  • 220mV low dropout at 300mA
  • Thermal shutdown and overcurrent protection

应用

  • Smartphone and tablet RF power supply
  • Wearable device 3.3V LDO
  • Bluetooth/Wi-Fi module power
  • Portable medical instrument supply
  • IoT sensor node 3.3V rail

The TLV70233DBVR from Texas Instruments is a 300mA low-IQ low-dropout linear regulator with 3.3V fixed output in SOT-23-5 package. The device features 35uA typical quiescent current, 220mV dropout voltage at 300mA, and 68dB PSRR at 1kHz, making it ideal for noise-sensitive RF applications. The 2V to 5.5V input range supports Li-ion battery and 3.3V/5V rail operation. Stability with only 0.1uF effective output capacitance enables use of small, cost-effective capacitors. The enable pin provides 1uA shutdown mode. Thermal shutdown and current limit protect the device under fault conditions. The DBVR suffix denotes SOT-23-5 package with tape and reel.

The TLV70233DBVR operates as a low-IQ LDO linear regulator. (1) The P-channel MOSFET pass element provides low dropout voltage (220mV at 300mA) by operating in the linear region with minimal gate-to-source voltage overhead. The precision bandgap reference and error amplifier maintain +/-2% output voltage accuracy over temperature and load. (2) The 35uA quiescent current is achieved through a low-power bias network that keeps the error amplifier and reference active while consuming minimal current. This is critical for always-on battery-powered applications where the LDO remains enabled but delivers little or no load current. In shutdown mode (EN low), the quiescent current drops to 1uA. (3) The 68dB PSRR at 1kHz is achieved through the high-gain error amplifier and P-channel MOSFET architecture. The error amplifier actively rejects input supply ripple by adjusting the pass element gate voltage to maintain a constant output. The PSRR decreases at higher frequencies due to the decreasing error amplifier loop gain. The 0.1uF minimum output capacitance requirement is enabled by a carefully designed compensation network that maintains stability with very small capacitors.

针脚 名称 功能
1 IN Input supply (2-5.5V)
2 接地 地面
3 EN Enable (>0.9V=on, <0.4V=off)
4 北卡罗来纳州 No connect (tie to GND for thermal)
5 出局 3.3V regulated output
  • Smartphone and tablet RF power supply with 68dB PSRR
  • Wearable device 3.3V LDO with 35uA quiescent current
  • Bluetooth/Wi-Fi module power with low noise and high PSRR
  • Portable medical instrument supply with 0.1uF capacitor stability
  • IoT sensor node 3.3V rail with enable shutdown control
模型 制造商 主要区别
TLV70218DBVR TI 1.8V output, same family
TLV70033DDCR TI 300mA, 38uA Iq, SOT-23-THIN
AP2112K-3.3TRG1 二极管 600mA, similar, SOT-23-5
mic5219-3.3ym5-tr 微型芯片 500mA, low noise, SOT-23-5
RT9193-33GB Richtek 300mA, 68dB PSRR, SOT-23-5
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Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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