MCP1726-0802E/MF Microchip Technology, MCP1726-0802E/MF Datasheet

MCP1726-0802E/MF

Manufacturer Part Number

MCP1726-0802E/MF

Description

IC REG LDO 1A 0.8V 8DFN

Manufacturer

Microchip Technology

Datasheets

1.MCP1726EV.pdf (2 pages)

2.MCP1726EV.pdf (30 pages)

Specifications of MCP1726-0802E/MF

Regulator Topology

Positive Fixed

Voltage - Output

0.8V

Voltage - Input

2.3 ~ 6 V

Voltage - Dropout (typical)

0.22V @ 1A

Number Of Regulators

Current - Output

1A (Min)

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

8-DFN

Primary Input Voltage

Output Voltage Fixed

0.8V

Dropout Voltage Vdo

220mV

No. Of Pins

Output Current

Operating Temperature Range

-40Â°C To +125Â°C

Peak Reflow Compatible (260 C)

Yes

Number Of Outputs

Polarity

Positive

Input Voltage Max

6 V

Output Voltage

0.8 V

Output Type

Fixed

Dropout Voltage (max)

220 mV

Line Regulation

0.05 % / V

Load Regulation

0.5 %

Voltage Regulation Accuracy

2.5 %

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Limit (min)

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Microchip continues to expand its portfolio of Low Dropout

Regulators (LDOs) with its new MCP1726 ceramic output

cap stable, low output voltage regulator.

The MCP1726 is the only 1-amp LDO, stable with ceramic

capacitors that incorporates low output voltage, Power

Good and user-programmable Power Good delay on-chip,

providing an ideal solution for a variety of high-performance

system applications.

An Innovative Design

Technology innovation continues to drive microprocessor

development onto smaller geometries, requiring separate

voltages for the core and I/O. The MCP1726 meets

these requirements with high output current and low

core voltage, making it an ideal solution for the growing

number of applications using high-performance general-

purpose embedded processors and next-generation logic

cores. These applications include:

• Computers (PC motherboards, PC add-in cards

• Consumer (high-end digital set top boxes, high-end

• Industry/power supplies (SMPS post regulators and

The MCP1726 LDO features output voltage down to 0.8V

at 1 amp output current, supporting next-generation high-

performance CPUs and logic cores. The output voltage

setting can be adjusted from 0.8V to 5.0V using two

external resistors, or set to a predetermined fixed value

such as 0.8V, 1.2V, 1.8V, 2.5V, 3.3V and 5.0V.

The MCP1726 monitors its output voltage internally and

provides Power Good output when the output is within

92% of regulation. An external capacitor can be used on

the Cdelay pin to adjust the delay from 1 μs to 300 μs. The

typical default delay is 200 μs. Using CMOS construction,

the internal quiescent current of the MCP1726 is typically

less than 140 μA. When the LDO is shut down, the

quiescent current is less than 0.1 μA.

The LDO is stable with a 1 microfarad ceramic output

capacitor, reducing cost and board space. The power

good output with programmable delay option allows

engineers to program a system delay on a wider time

frame, providing additional ﬂ exibility for the design and

reducing customer inventory.

MCP1726

Feature-Rich, Low Dropout Regulator for High-Performance

Microprocessor Applications

and graphics processor cards)

television sets and LCD projection devices)

automated control systems)

Power Management

Key Features of the MCP1726

• Up to 1A output load current

• Power Good output with adjustable delay

• Stable with 1.0 μF ceramic output cap

• Over-current and over-temperature protection/thermal

• A 140 microamp maximum ground current for optimum

• A small, 8-pin DFN package for space-constrained

• Shutdown and/or Reset options

• Fold-back output current limit

• Supported temperature range of -40°C to +125°C.

• Low dropout voltage of 150 mV @ 1A typical

• Fast response to load and line transients

SHDN

shutdown

energy efﬁ ciency

applications

OFF

DFN-8 (3 x 3) or SO-8 Package

SHDN

GND PWRGD

Cdelay

OUT

Adj

1 μF

Ceramic

@ 1000 mA

POWER

GOOD

OUT

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MCP1726-0802E/MF Summary of contents

Page 1

... Microchip continues to expand its portfolio of Low Dropout Regulators (LDOs) with its new MCP1726 ceramic output cap stable, low output voltage regulator. The MCP1726 is the only 1-amp LDO, stable with ceramic capacitors that incorporates low output voltage, Power Good and user-programmable Power Good delay on-chip, providing an ideal solution for a variety of high-performance system applications ...

Page 2

... Information subject to change. The Microchip name and logo and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. © 2005, Microchip Technology Incorporated. All Rights Reserved. Printed in the U.S.A. 3/05 Sampling and Purchasing Information The MCP1726 LDO is available today for sampling and volume production in Pb-free 8-pin DFN and SOIC packages. ...

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