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LTC1555LEGN from LINEAR

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LTC1555LEGN

Manufacturer: LINEAR

SIM Power Supply and Level Translator

Partnumber Manufacturer Quantity Availability
LTC1555LEGN LINEAR 300 In Stock

Description and Introduction

SIM Power Supply and Level Translator The LTC1555LEGN is a product from LINEAR (now part of Analog Devices). Here are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** LINEAR (Analog Devices)  
- **Part Number:** LTC1555LEGN  
- **Type:** Low-Voltage, Low-Power RS232 Transceiver  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP (GN)  
- **Data Rate:** Up to 120kbps  
- **Number of Drivers/Receivers:** 2 Drivers, 2 Receivers  
- **ESD Protection:** ±10kV (Human Body Model)  
- **Shutdown Current:** <1µA  

### **Descriptions:**
The LTC1555LEGN is a dual RS232 transceiver designed for low-voltage, low-power applications. It operates from a single supply and includes integrated charge pumps to generate the necessary RS232 voltage levels (±5V). It is suitable for battery-powered and portable devices.

### **Features:**
- Single 2.7V to 5.5V Supply Operation  
- Low Power Consumption (Shutdown Mode: <1µA)  
- Meets EIA/TIA-232-F Standards  
- On-Chip Charge Pump for RS232 Voltage Levels  
- ±10kV ESD Protection on RS232 I/O Pins  
- Flow-Through Pinout for Easy PCB Layout  
- Available in 16-Lead SSOP Package  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

SIM Power Supply and Level Translator
Partnumber Manufacturer Quantity Availability
LTC1555LEGN LT 4547 In Stock

Description and Introduction

SIM Power Supply and Level Translator The LTC1555LEGN is a part manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Linear Technology (LT)
- **Part Number:** LTC1555LEGN
- **Package:** 16-Lead SSOP (GN)
- **Type:** Low Noise, High Efficiency Charge Pump DC/DC Converter
- **Input Voltage Range:** 2.7V to 5.5V
- **Output Voltage:** Adjustable (via external resistors) or fixed (e.g., 5V)
- **Output Current:** Up to 50mA
- **Switching Frequency:** 1MHz (typical)
- **Efficiency:** Up to 90%
- **Quiescent Current:** 120µA (typical)
- **Operating Temperature Range:** -40°C to +85°C

### **Descriptions:**
The LTC1555LEGN is a high-efficiency, low-noise charge pump DC/DC converter designed for applications requiring regulated voltage from a low input supply. It operates with minimal external components and provides a stable output voltage. The device is suitable for battery-powered systems, portable electronics, and noise-sensitive applications.

### **Features:**
- Low noise charge pump operation  
- No inductors required  
- Adjustable or fixed output voltage options  
- High efficiency (up to 90%)  
- Low quiescent current (120µA typical)  
- 1MHz switching frequency for small external capacitors  
- Thermal shutdown protection  
- Short-circuit protected  
- Available in a compact 16-lead SSOP package  

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

Application Scenarios & Design Considerations

SIM Power Supply and Level Translator

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