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LT1934ES6-1 from LINEAR

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LT1934ES6-1

Manufacturer: LINEAR, LT

Micropower Step-Down Switching Regulators in ThinSOT

Partnumber Manufacturer Quantity Availability
LT1934ES6-1,LT1934ES61 LINEAR, LT 6650 In Stock

Description and Introduction

Micropower Step-Down Switching Regulators in ThinSOT The LT1934ES6-1 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 1.2V to 16V  
- **Output Voltage:** Adjustable up to 34V  
- **Switching Frequency:** 1.2MHz  
- **Maximum Output Current:** 400mA (at 5V input, 12V output)  
- **Quiescent Current:** 1.1mA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-6  

### **Descriptions:**
- The LT1934ES6-1 is a high-efficiency, fixed-frequency step-up DC/DC converter.  
- It is designed for applications requiring a regulated output voltage higher than the input supply.  
- The device includes an internal NPN power switch and operates at a high switching frequency, allowing the use of small external components.  

### **Features:**
- **High Efficiency:** Up to 87% efficiency.  
- **Low Quiescent Current:** 1.1mA typical.  
- **Internal Power Switch:** Simplifies design by eliminating the need for an external MOSFET.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **SOT-23-6 Package:** Compact footprint for space-constrained applications.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Micropower Step-Down Switching Regulators in ThinSOT

Alternative Part Number

  • TPS560200 --: Pin-compatible step-down converter in SOT-23-6 with similar input voltage range and current capability, widely available and cost-effective.
  • MP2359 --: SOT-23-6 buck converter with comparable 1.2A output and wide input range, suitable drop-in replacement for many LT1934 applications.
  • AP3211 --: Compact SOT-23-6 synchronous buck converter offering similar switching performance and voltage ratings as an alternative source.

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