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MAX4785EXK+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX4785EXK+T

Manufacturer: MAXIM, MAXI

50mA/100mA Current-Limit Switches

Partnumber Manufacturer Quantity Availability
MAX4785EXK+T,MAX4785EXKT MAXIM, MAXI 6500 In Stock

Description and Introduction

50mA/100mA Current-Limit Switches The MAX4785EXK+T is a high-speed, low-power, single-supply, SPST analog switch manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** +1.8V to +5.5V  
- **Low On-Resistance (RON):** 0.5Ω (typical at +5V supply)  
- **Low On-Resistance Flatness:** 0.1Ω (typical)  
- **Fast Switching Time:** tON = 20ns (typical), tOFF = 15ns (typical)  
- **Low Power Consumption:** 0.01μW (typical at +5V supply)  
- **High Off-Isolation:** -70dB (typical at 1MHz)  
- **Crosstalk Rejection:** -90dB (typical at 1MHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SC-70 (5-pin)  

### **Description:**  
The MAX4785EXK+T is a single-pole/single-throw (SPST) analog switch designed for high-speed, low-voltage applications. It features low on-resistance, minimal power consumption, and fast switching, making it suitable for battery-powered and portable devices.  

### **Features:**  
- Single-supply operation (+1.8V to +5.5V)  
- Low on-resistance (0.5Ω typical at +5V)  
- Fast switching speeds (20ns turn-on, 15ns turn-off)  
- High off-isolation and crosstalk rejection  
- Low power consumption (0.01μW typical)  
- Tiny SC-70 package for space-constrained applications  
- TTL/CMOS-compatible logic inputs  

This switch is commonly used in audio switching, signal routing, and battery-powered systems.

Application Scenarios & Design Considerations

50mA/100mA Current-Limit Switches

Alternative Part Number

  • TPS2553DBVR --: Adjustable current-limited power switch in SOT-23-5, functionally similar to the MAX4785 current-limit switch and widely available.
  • MIC2005A-1YM5-TR --: Current-limiting power distribution switch in SOT-23-5 with similar overcurrent protection features, suitable drop-in style replacement.
  • AP2553W6-7 --: Current-limited load switch in SOT-26 with comparable voltage and current ratings, offering a cost-effective alternative.

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