AP3012
1A synchronous buck converter with ultra-low quiescent current for battery-powered applications
Product Overview
Description
The AP3012 is a 1A synchronous buck converter optimized for battery-powered applications. It features ultra-low quiescent current (<20μA) to maximize battery life in portable devices.
The device operates from 2.5V to 5.5V input, making it ideal for single-cell Li-ion or 3-cell NiMH battery applications. The synchronous rectification achieves high efficiency even at light loads.
With its small SOT-23-5 package and minimal external components, the AP3012 is perfect for space-constrained portable electronics.
Product Series
AP
Primary Application
Battery-powered devices
Key Features
- High efficiency and reliability
- Optimized for industrial applications
- Comprehensive technical support
- Available from stock
Specifications
| Input Voltage | 2.5V-5.5V |
|---|---|
| Output Current | 1A |
| Quiescent Current | <20μA |
| Switching Frequency | 1MHz |
| Efficiency | Up to 95% |
| Package | SOT-23-5 |
Applications
Battery-powered devices
Battery and charging management
Portable electronics
Electronic system design
Wearable devices
Electronic system design
IoT sensors
Sensor signal conditioning
FAE Expert Insights
"The AP3012 is perfect for battery-powered applications where every microamp counts. The <20μA quiescent current significantly extends battery life compared to standard buck converters. I've used this in IoT sensor designs with excellent results. The 1MHz switching frequency allows tiny inductors, saving board space. For maximum battery life, use the largest inductor value that fits your space constraints to reduce ripple and improve efficiency."
I highly recommend the AP3012 for its proven reliability and excellent performance in real-world applications.
— Senior FAE Team, BeiLuo
Frequently Asked Questions
What is the quiescent current?
The AP3012 has ultra-low quiescent current of less than 20μA, making it ideal for battery-powered applications where standby power is critical. For detailed specifications and application support on chipown AP3012, refer to the datasheet or contact our team.
Best choice for battery life optimization.
What battery types are supported?
The 2.5V-5.5V input range supports single-cell Li-ion (3.0V-4.2V), 3-cell NiMH (3.6V), and 2-cell alkaline (3.0V) batteries. For detailed specifications and application support on chipown AP3012, refer to the datasheet or contact our team.
Verify battery voltage range is within 2.5V-5.5V.
What is the switching frequency?
The AP3012 operates at 1MHz switching frequency, allowing the use of small inductors and capacitors for compact designs. For detailed specifications and application support on chipown AP3012, refer to the datasheet or contact our team.
1MHz enables compact component selection.
What inductor size is needed?
At 1MHz, small inductors of 1μH to 2.2μH are sufficient. Choose shielded inductors for compact designs. For detailed specifications and application support on chipown AP3012, refer to the datasheet or contact our team.
Small inductors save board space.
What is the dropout voltage?
The AP3012 supports 100% duty cycle, meaning the output can approach the input voltage with minimal dropout (just MOSFET Rds(on) × Iout). For detailed specifications and application support on chipown AP3012, refer to the datasheet or contact our team.
Excellent for maximizing battery discharge.