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SP7662ER from SIPEX

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SP7662ER

Manufacturer: SIPEX, EXAR

Evaluation Board Manual

Partnumber Manufacturer Quantity Availability
SP7662ER SIPEX, EXAR 18428 In Stock

Description and Introduction

Evaluation Board Manual Part Number: SP7662ER  
Manufacturer: EXAR  

**Specifications:**  
- **Type:** Low Dropout (LDO) Voltage Regulator  
- **Output Voltage:** Adjustable (1.25V to 5.5V) or Fixed (3.3V, 5V)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (typical at 500mA)  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

**Descriptions:**  
The SP7662ER is a low dropout (LDO) linear voltage regulator designed for battery-powered and portable applications. It provides stable output voltage with low quiescent current and dropout voltage, making it suitable for power-sensitive designs.  

**Features:**  
- Low dropout voltage (300mV at 500mA)  
- Adjustable or fixed output voltage options  
- Low quiescent current (75µA typical)  
- Thermal shutdown and current limit protection  
- Stable with low-ESR ceramic capacitors  
- Small SOT-23-5 package for space-constrained applications  

(Source: EXAR datasheet for SP7662ER)

Application Scenarios & Design Considerations

Evaluation Board Manual

Alternative Part Number

  • TPS54620RHLR --: 6A synchronous step-down converter in a similar QFN package with comparable input voltage range and switching frequency, widely available and well documented.
  • LTC3605EUF --: 5A synchronous buck regulator with similar electrical ratings and compact package, suitable as a functional replacement with minor layout adjustments.
  • ISL8014IRZ --: 4A high-efficiency synchronous buck converter offering similar performance and pin-compatible footprint options for the original application.

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