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UA7810CKCS

Fixed 10V LDO, 1A, uA78 series, TO-263-3 (DDPAK)

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Manufacturer Part：

UA7810CKCS

Package：

TO-263-3 / DDPAK (10.16 x 8.42 mm)

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Description

Product Overview

The UA7810CKCS from Texas Instruments is a fixed 10V positive voltage regulator from the classic uA78 series, providing 1A output current with internal thermal shutdown and current limiting protection.

Key Specifications

Manufacturer Texas Instruments
Output Voltage 10V fixed
Input Voltage 12.5V to 35V
Output Current 1A
Line Regulation 10 mV typical
Load Regulation 20 mV typical
Ripple Rejection 70 dB typical
Dropout Voltage 2V typical
Quiescent Current 4.3 mA typical
Package TO-263-3 (DDPAK)
Operating Temperature 0°C to +125°C

Features

  • Fixed 10V output
  • 1A output current capability
  • Internal thermal shutdown
  • Internal short-circuit current limiting
  • Output transistor safe area protection
  • No external components needed
  • TO-263 surface mount package

Applications

  • Power supply regulation
  • Reference voltage generation
  • On-card regulation
  • Industrial control systems

The UA7810CKCS from Texas Instruments is a fixed 10V positive voltage regulator from the industry-standard uA78 series, capable of delivering 1A output current. It requires minimal external components and features internal thermal shutdown, short-circuit current limiting, and output transistor safe area protection. The TO-263 (DDPAK) surface-mount package enables compact PCB designs.

The UA7810 uses a bandgap reference, error amplifier, and series pass transistor in a feedback loop. The output voltage is compared against the internal 10V reference, and the pass transistor drive is adjusted to maintain regulation. Thermal shutdown activates at approximately 150°C junction temperature, and current limiting protects during output short-circuit conditions.

Pin Name Function
1 Input Unregulated input voltage
2 GND Ground (connected to tab)
3 Output Regulated 10V output
  • 10V logic power supply regulation
  • Reference voltage generation
  • Industrial control system power
  • On-card regulation for analog circuits
Manufacturer Part Number Notes
TI UA7805CKCS 5V version
TI UA7812CKCS 12V version
TI UA7815CKCS 15V version
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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