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AP7335-33SNG-7

300mA LDO, 3.3V, 150mV dropout, DFN2020-6

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Manufacturer Part：

AP7335-33SNG-7

Package：

DFN2020-6 (2.0 x 2.0 x 0.57 mm)

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Description

Product Overview

The AP7335-33SNG-7 from Diodes Incorporated is a 300mA LDO regulator with 3.3V output, 150mV dropout, 35uA IQ, and 65dB PSRR in DFN2020-6.

Key Specifications

Output Voltage 3.3V fixed
Output Current 300 mA max
Input Voltage 2V to 6V
Dropout Voltage 150 mV typ @ 300mA
IQ 35 uA typical
PSRR 65 dB @ 1kHz
Output Cap 1uF ceramic minimum
Startup Time 220 us typical
Package DFN2020-6 (2.0×2.0mm)
Operating Temperature -40 to +85 C

Features

  • Ultra-fast 220us startup
  • 150mV low dropout at 300mA
  • 35uA low quiescent current
  • 65dB PSRR for noise-sensitive apps
  • Only 1uF output capacitor needed

Applications

  • Smartphone and tablet power
  • Bluetooth headset power
  • Portable media players
  • WLAN and GPS modules

The AP7335-33SNG-7 from Diodes Incorporated is a 300mA low-dropout linear regulator with 3.3V fixed output in ultra-compact DFN2020-6 package. The 150mV dropout at full load enables efficient operation from a single Li-ion cell. The 35uA quiescent current and 220us fast startup suit battery-powered applications. The 65dB PSRR provides clean power for RF-sensitive circuits. Only 1uF output capacitance is required, minimizing BOM and board space. The EN pin allows logic-controlled power sequencing.

The AP7335-33SNG-7 operates as a low-dropout linear regulator. (1) The P-channel MOSFET pass transistor provides the low 150mV dropout characteristic. The error amplifier compares the output voltage with an internal reference and drives the MOSFET gate to maintain regulation. The +/-2% output accuracy is achieved through precision trimming. (2) The EN (enable) pin provides logic-controlled on/off. When EN is high, the regulator operates; when low, the output is discharged and the device enters a low-current state. The 220us startup time from EN assertion to regulated output is among the fastest in its class. (3) Protection features include current limiting at approximately 600mA, short-circuit protection at 140mA, and thermal shutdown at 145C. The internal discharge resistor ensures the output ramps down quickly when disabled.

Pin Name Function
1 OUT 3.3V regulated output
2 IN Input supply (2-6V)
3 EN Enable input (active high)
4 GND Ground
5 NC No connect
6 OUT Output (thermal pad)
  • Smartphone and tablet 3.3V rail with 220us startup
  • Bluetooth headset power with 35uA IQ and DFN size
  • WLAN and GPS module clean power with 65dB PSRR
  • Portable media player with 1uF minimal capacitance
Model Manufacturer Key Difference
AP7335-18SNG-7 Diodes 1.8V output version
AP7335-33WNG-7 Diodes 3.3V, SOT-23-5
TLV70033DDCR TI 200mA, 3.3V, SOT-23-5
RT9193-33GB Richtek 300mA, 3.3V, SC-70-5
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Quality Assurance

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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2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

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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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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We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

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Contact Information

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

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