Microchip Technology Inc
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MCP1791

High Voltage Regulator w/5.0V Regulated Power Supply Output

Status: In Production

Features:

  • Wide steady state supply voltage: 6.0V - 30.0V
  • 48V (43.5V ±10%) load dump protected for 180ms with a 30 second repetition rate
  • 70 mA output current
  • Low quiescent current: 70 µA typical
  • Fixed output voltages: 3.0V, 3.3V, 5.0V
  • Extended Junction Temperature Range: -40 to +125°C
  • Output Voltage Tolerances of ±2.5% over the temperature range
  • Short Circuit Current Foldback
  • Shutdown Input
  • Power Good Output
  • High PSRR, -90 dB@100 Hz (typical)
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MCP1791 is a 70 mA, ceramic output cap stable, high voltage, Low Dropout Regulator (LDO) with shutdown and power good functions. The MCP1791 is capable of handling continuous input voltage of up to 30V and is load dump protect for up to 48V, making it especially suitable for automotive as well as 12V/24V industrial applications. The MCP1791 comes in thermally enhanced DDPAK-5 package as well as space-efficient SOT223-5 package.

Additional Features
    • Wide steady state supply voltage: 6.0V - 30.0V
    • 48V (43.5V ±10%) load dump protected for 180ms with a 30 second repetition rate
    • 70 mA output current
    • Low quiescent current: 70 µA typical
    • Fixed output voltages: 3.0V, 3.3V, 5.0V
    • Extended Junction Temperature Range: -40 to +125°C
    • Output Voltage Tolerances of ±2.5% over the temperature range
    • Short Circuit Current Foldback
    • Shutdown Input
    • Power Good Output
    • High PSRR, -90 dB@100 Hz (typical)
Parametrics
Name
Value
Product Type
Single LDOs
# of Out
1
IOUT #1
70
IOUT #2
n/a
IOUT #3
n/a
IOUT #4
n/a
IOUT (mA)
70
VIN Min (V)
6
VIN Max (V)
30
VOUT (V)
3.0 3.3 5.0
Voltage Drop Typ (mV)
700
IGND Typ (µA)
70
Tol Typ %
±0.2
PSRR 1 kHz (dB)
90
Soft Start Pin
Load Dump
Yes
Rev Bat
Reverse Current Protect

Documents

Jump to:

Data Sheets

02/06/2012
1108KB

Product Selection Tools

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
SOT223-5 Voltage Reg Eval Board
SOT223-5 Voltage Reg Eval Board ( SOT223-5EV-VREG )

The SOT223-5 Voltage Regulator Evaluation Board is designed to be used to facilitate the evaluation of Microchip’s voltage regulators or to be used as a standalone voltage regulator board. Jumpers have been placed on the board to facilitate testing of specific voltage regulator parameters. The jumpers may also be used to select pull-up and pull-down voltage levels.

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TO-220-5/ TO263-5 Voltage Regulator Evaluation Board
TO-220-5/ TO263-5 Voltage Regulator Evaluation Board ( TO263-5EV-VREG )

The TO220-5 / TO263-5 Voltage Regulator Evaluation Board is designed to provide functional evaluation of Microchip Voltage Regulators that utilize the TO220-5 and TO263-5 package. The TO220-5 / TO263-5 Voltage Regulator Evaluation Board does not come with a voltage regulator soldered onto the board. This allows the user to attach the voltage regulator of their choosing to the board and perform...

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RoHS Information

Part Number
Device Weight
Shipping Weight
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MCP1791-5002E/ET
1.462500
2.520000
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-3002E/ET
1.462500
2.053333
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791-3002E/ET
1.462500
2.520000
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-5002E/ET
1.462500
2.053333
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791-3302E/ET
1.462500
2.520000
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-3302E/ET
1.462500
2.053333
5
DDPAK
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-3002E/DC
0.016500
0.350000
5
SOT-223
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-5002E/DCVAO
0.016500
0.350000
5
SOT-223
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-5002E/DCV03
0.016500
0.350000
5
SOT-223
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-3302E/DC
0.016500
0.350000
5
SOT-223
-
Matte Tin
e3
Rohs icon
efup china icon
MCP1791T-5002E/DC
0.016500
0.350000
5
SOT-223
-
Matte Tin
e3
Rohs icon
efup china icon
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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