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MAX157BEUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX157BEUA

Manufacturer: MAXIM

+2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX

Partnumber Manufacturer Quantity Availability
MAX157BEUA MAXIM 1500 In Stock

Description and Introduction

+2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX The MAX157BEUA is a charge pump DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 30mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin μMAX (MSOP)  

### **Descriptions:**  
The MAX157BEUA is a high-efficiency, low-noise charge pump DC-DC converter designed for small, portable applications. It provides a regulated output voltage from a single-cell Li-ion battery or other low-voltage sources. The device uses a switched-capacitor architecture to boost the input voltage without requiring an inductor, making it suitable for space-constrained designs.  

### **Features:**  
- **Low-Noise Operation:** Uses a constant-frequency switching scheme to minimize output ripple.  
- **Automatic Load Disconnect:** Prevents battery drain when disabled.  
- **Low Quiescent Current:** Typically 50µA (shutdown current <1µA).  
- **Soft-Start Circuitry:** Reduces inrush current during startup.  
- **Small Footprint:** 8-pin μMAX package for compact designs.  
- **Adjustable Output:** External resistors set the output voltage.  

This information is sourced from Maxim Integrated's official datasheet for the MAX157BEUA.

Application Scenarios & Design Considerations

+2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX

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