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MAX1848EKA-T from MAX,MAXIM - Dallas Semiconductor

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MAX1848EKA-T

Manufacturer: MAX, MAXIM

White LED Step-Up Converter in SOT23

Partnumber Manufacturer Quantity Availability
MAX1848EKA-T,MAX1848EKAT MAX, MAXIM 248460 In Stock

Description and Introduction

White LED Step-Up Converter in SOT23 The MAX1848EKA-T is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1848EKA-T  
- **Package:** SOT-23-8  
- **Input Voltage Range:** 0.8V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1848EKA-T is a low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal 0.5A switch and operates from input voltages as low as 0.8V, making it suitable for single-cell or dual-cell battery systems. The output voltage can be adjusted using external resistors.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.8V input.  
- **High Efficiency:** Up to 90% efficiency.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Internal Power MOSFET:** Integrated 0.5A switch.  
- **500kHz Switching Frequency:** Allows small external components.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **SOT-23-8 Package:** Compact footprint for space-constrained designs.  

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

Application Scenarios & Design Considerations

White LED Step-Up Converter in SOT23

Alternative Part Number

  • TPS61040DBVR --: Boost converter in SOT-23-5 with similar input voltage range and switching frequency, widely available and pin-compatible in function.
  • LT1932ES6 --: Constant-current boost LED driver in SOT-23-6, comparable topology and current regulation suitable for similar display backlight applications.
  • AP3015AKTR-G1 --: Low-cost boost converter in SOT-23-5 with similar voltage and current ratings, good drop-in functional substitute for space-constrained designs.
  • LT1937ES5 --: Step-up DC-DC converter for white LED backlight in a small SOT-23-5 package, functionally similar to the MAX1848 with comparable input range and current regulation.
  • AP3019AKTR-G1 --: White LED step-up converter in SOT-23-5 with internal switch and PWM dimming, a direct functional substitute for the MAX1848EKA-T.
  • TPS61165DRVR --: Boost converter for LED backlight with integrated switch and PWM brightness control, suitable as a cross-reference alternative in a small package.

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