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UA78S40 from MOT,Motorola

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17.578ms

UA78S40

Manufacturer: MOT

UNIVERSAL SWITCHING REGULATOR SUBSYSTEM

Partnumber Manufacturer Quantity Availability
UA78S40 MOT 444 In Stock

Description and Introduction

UNIVERSAL SWITCHING REGULATOR SUBSYSTEM The UA78S40 is a monolithic switching regulator subsystem manufactured by Motorola (MOT).  

### **Manufacturer Specifications (MOT):**  
- **Input Voltage Range:** 2.5V to 40V  
- **Output Voltage Range:** Adjustable from 1.3V to 40V  
- **Output Current:** Up to 1.5A (with external components)  
- **Switching Frequency:** Adjustable (typically up to 100kHz)  
- **Duty Cycle:** Adjustable  
- **Reference Voltage:** 1.3V (typical)  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**  
- The UA78S40 is a versatile switching regulator IC that integrates a voltage reference, comparator, oscillator, and power switch.  
- It is designed for step-up (boost), step-down (buck), and inverting DC-DC converter applications.  
- Requires minimal external components for operation.  

### **Features:**  
- **Monolithic Design:** Combines control and power switching functions.  
- **Adjustable Output Voltage:** Allows flexibility in design.  
- **High Efficiency:** Suitable for battery-powered applications.  
- **Low Standby Current:** Improves power conservation.  
- **Current Limiting Protection:** Enhances reliability.  
- **Thermal Shutdown:** Prevents overheating.  

This information is based on Motorola's datasheet for the UA78S40.

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