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MCP1799
  • MCP1799
  • MCP1799

MCP1799

In Production

The MCP1799 is a high-voltage, low-dropout (LDO) regulator, capable of generating 80 mA output current. The input voltage range of 4.5V to 45V makes it ideal in 12V to 36V power rails and in high-voltage battery packs. The MCP1799 comes in two standard fixed output voltage versions: 3.3V and 5.0V. The regulator output is stable with 1 μF ceramic capacitors. The device is protected from short circuit events by the current limit function and from over heating by means of thermal shutdown protection. The device itself has a low ground current of 45 μA typical, while delivering maximum output current of 80 mA. Without load the device consumes 25 μA typical. ...

Microchip Technology MCP1799 Product Info

16 April 2026 0

Parameters

VIN Min (V) V (volt)

4.5

VIN Max V (volt)

45

VOUT V (volt)

3.3, 5.0

IOUT #1 Max mA (milliampere)

80

Rated IOUT Max mA (milliampere)

80

Quiescent Current µA (microampere)

25

Voltage Drop Typ (mV)

300

Accuracy (+/-) %

2

Adjustable VOUT

No

Reverse Battery

No

Bypass Pin

No

Current Limit

Yes

Shutdown EN

No

Power Good Signal

No

Thermal Shutdown

Yes

Features

  • AEC-Q100 with Grade 0 and PPAP Capable
  • Wide Input VOtlage Range: 4.5V to 45V
  • Extended Working Temperature Range: -40C to 150C
  • Low Quiescent Supply Current: 25 uA typical
  • Stable with 1 uF Ceramic Output Capacitor
  • Short Circuit Protection
  • Thermal Shutdown Protection: +180C typical
  • High PSRR: 70 dB @ 1kHz typcal
  • Available in SOT-23 and SOT-223

Description

The MCP1799 is a high-voltage, low-dropout (LDO) regulator, capable of generating 80 mA output current. The input voltage range of 4.5V to 45V makes it ideal in 12V to 36V power rails and in high-voltage battery packs.
The MCP1799 comes in two standard fixed output voltage versions: 3.3V and 5.0V. The regulator output is stable with 1 μF ceramic capacitors. The device is protected from short circuit events by the current limit function and from over heating by means of thermal shutdown protection.
The device itself has a low ground current of 45 μA typical, while delivering maximum output current of 80 mA. Without load the device consumes 25 μA typical.

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