MCP1702T-3302E/CB – Integrated Circuit – Microchip Technology

LDO Voltage Regulators LDO w/ Low Quiescent

**MCP1702T-3302E/CB – 3.3V 250mA Low Quiescent Current LDO Regulator – Microchip Technology**

Optimize power efficiency in space-constrained designs with the MCP1702T-3302E/CB low-dropout (LDO) linear regulator from Microchip Technology. This high-performance IC delivers a stable 3.3V output with ultra-low quiescent current (5 µA), making it ideal for battery-operated devices. Engineered for reliability, it features robust protection mechanisms and operates across industrial temperature ranges.

**Key Features**
– **Fixed 3.3V Output**: Precision-regulated voltage for consistent performance.
– **Ultra-Low Quiescent Current**: 5 µA typical for extended battery life.
– **250mA Output Current**: Suitable for low-to-moderate power applications.
– **Low Dropout Voltage**: 0.725V max @ 250mA enables operation near input voltage.
– **Wide Input Range**: Supports up to 13.2V input.
– **Enhanced Protection**: Over-current, over-temperature, and short-circuit safeguards.
– **High PSRR**: 44dB @ 100Hz minimizes noise interference.
– **Industrial Temperature Range**: -40°C to 125°C operation.

**Technical Details**
This single-channel LDO regulator uses a positive, fixed-output configuration in a compact SOT-23A-3 package. Its surface-mount design simplifies PCB integration, while the low dropout voltage maintains efficiency even with input voltages close to the output. The 44dB power supply rejection ratio (PSSR) ensures stable operation in noisy environments. The base product number is MCP1702.

**Applications**
– Portable/battery-powered electronics (sensors, wearables)
– IoT devices and wireless modules
– Backup power systems
– Industrial control systems
– Consumer electronics peripherals

**About the Manufacturer: Microchip Technology**
Microchip Technology is a globally recognized leader in microcontroller, mixed-signal, analog, and Flash-IP solutions. With decades of industry expertise, Microchip consistently delivers innovative, high-quality components that meet rigorous reliability standards across automotive, industrial, and consumer markets.

Renowned for robust design validation and stringent quality control, Microchip products ensure long-term performance in critical applications. Their commitment to technological advancement and customer support makes them a trusted partner for engineers worldwide.

**About LDO Regulators**
Low-dropout (LDO) linear regulators provide stable DC voltage with minimal input-output differentials, crucial for power-sensitive designs. Unlike switching regulators, LDOs generate negligible electromagnetic interference (EMI), making them ideal for noise-averse applications like RF circuits and precision sensors.

LDOs excel in extending battery runtime in portable devices due to low quiescent current. Their simplicity and reliability make them fundamental in power management chains, often used as secondary regulators to clean switched power outputs or directly powering sensitive subsystems.

**Packaging Options**
Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly compatibility.

**FAQs**
1. **Q: What is the dropout voltage at full load?**
A: 0.725V maximum when delivering 250mA current.

2. **Q: Is this LDO suitable for battery-powered devices?**
A: Yes, its ultra-low 5 µA quiescent current minimizes battery drain.

3. **Q: Does it require external components?**
A: Only a small input/output capacitor (typically 1µF) for stability.

4. **Q: Can it handle input voltage spikes?**
A: The 13.2V maximum rating accommodates minor surges, but transient suppressors are recommended for harsh environments.

5. **Q: What protections are included?**
A: Integrated over-current, over-temperature, and short-circuit shutdown.

6. **Q: Where can I find the datasheet?**
A: Download the full datasheet from PCXCo.com’s product page.

**Order Today for Fast Delivery!**
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