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HT7133 from HT

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HT7133

Manufacturer: HT, HOLTEK

High Voltage Regulator
Partnumber Manufacturer Quantity Availability
HT7133 HT, HOLTEK 5892 In Stock

Description and Introduction

High Voltage Regulator The HT7133 is a low-dropout (LDO) voltage regulator manufactured by **HOLTEK**. Here are its key specifications:  

- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** Up to 12V  
- **Output Current:** 30mA (maximum)  
- **Dropout Voltage:** 40mV (typical at 10mA load)  
- **Quiescent Current:** 4µA (typical)  
- **Line Regulation:** 0.2%/V (typical)  
- **Load Regulation:** 0.3%/mA (typical)  
- **Package Options:** TO-92, SOT-89  
- **Operating Temperature Range:** -40°C to +85°C  

The HT7133 is commonly used in battery-powered and low-power applications due to its low quiescent current and dropout voltage.  

(Source: HOLTEK datasheet for HT7133)

Application Scenarios & Design Considerations

High Voltage Regulator

Alternative Part Number

  • AMS1117-3.3 --: Widely available 3.3V linear regulator with similar function and output voltage, easy drop-in for many HT7133 applications.
  • LM1117-3.3 --: Industry-standard 3.3V LDO regulator with good availability and comparable electrical performance.
  • XC6206P332MR --: Low-dropout 3.3V regulator in a small package, suitable replacement when low quiescent current and compact size are needed.
  • MCP1700-3302E/TO --: Low-dropout 3.3V linear regulator in TO-92 with very low quiescent current, a common pin-compatible substitute for HT7133 in many designs.
  • LM317L --: Adjustable linear regulator that can be set to 3.3V output, offering a flexible alternative when a fixed 3.3V regulator is unavailable.

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