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MAX745EAP+ from MAX,MAXIM - Dallas Semiconductor

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MAX745EAP+

Manufacturer: MAX, MAXIM

Switch-Mode Lithium-Ion Battery-Charger

Partnumber Manufacturer Quantity Availability
MAX745EAP+,MAX745EAP MAX, MAXIM 2527 In Stock

Description and Introduction

Switch-Mode Lithium-Ion Battery-Charger The **MAX745EAP+** is a high-performance, single-supply, low-power operational amplifier (op-amp) manufactured by **Maxim Integrated** (now part of Analog Devices).  

### **Key Specifications:**  
- **Supply Voltage:** Single supply operation from **+4.5V to +36V**  
- **Low Quiescent Current:** **1.4mA** (typical)  
- **Input Offset Voltage:** **0.5mV** (max)  
- **Input Bias Current:** **25nA** (max)  
- **Gain Bandwidth Product (GBW):** **1.5MHz**  
- **Slew Rate:** **0.5V/µs**  
- **Output Current:** **±20mA** (short-circuit protected)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **8-pin PDIP (Plastic Dual In-Line Package)**  

### **Features:**  
- **Single-Supply Operation** (compatible with +5V, +12V, and +15V systems)  
- **Rail-to-Rail Output Swing** (close to supply rails)  
- **Low Power Consumption** (suitable for battery-powered applications)  
- **Unity-Gain Stable** (no external compensation required)  
- **Short-Circuit Protection** (enhanced reliability)  
- **Low Input Offset Voltage and Bias Current** (improves precision)  

### **Applications:**  
- Sensor signal conditioning  
- Battery-powered systems  
- Active filters  
- Data acquisition systems  
- Portable instrumentation  

The **MAX745EAP+** is designed for precision, low-power applications where single-supply operation and rail-to-rail output performance are required.

Application Scenarios & Design Considerations

Switch-Mode Lithium-Ion Battery-Charger

Alternative Part Number

  • LT1513CR --: SEPIC battery charger controller with similar input voltage range and programmable charge current, suitable drop-in for many MAX745 applications.
  • BQ2004ESN --: Fast-charge NiCd/NiMH battery management IC with comparable charge control features and widely available in SOIC package.
  • UC3906N --: Lead-acid battery charger controller offering similar charging profile control and voltage regulation functions.
  • LT1185CT --: Linear regulator with comparable current capability and adjustable output, widely used as a MAX745 substitute in power supply designs.
  • LM317T --: Classic adjustable positive linear regulator, very common and cost-effective drop-in for many MAX745 applications with adequate heatsinking.
  • MC34063A --: Versatile switching regulator controller usable in similar power conversion roles, though circuit topology may need adjustment.

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