MCP1811 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP1811

Ultra-Low Quiescent Current LDO Regulator for Long-Life Battery-Powered Applications

Microchip Technology 

MCP1811A/11B/12A/12B

4-Lead Ultra Thin Plastic Dual Flat, No Lead Package (HCA) - 1x1 mm Body [UDFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at

http://www.microchip.com/packaging

Units

Dimension Limits

MILLIMETERS

MIN

NOM

MAX

Number of Terminals

Pitch

Overall Height

Standoff

Terminal Thickness

N

4

e

0.65 BSC

A

0.50

0.55

0.60

A1

0.00

0.02

0.05

A3

0.152 REF

Overall Length

Exposed Pad Length

Overall Width

Exposed Pad Width

Terminal Width

D

1.00 BSC

D2

0.45

0.50

0.55

E

1.00 BSC

E2

0.45

0.50

0.55

b

0.175

0.225

0.275

Notes:

Terminal Length

L

0.20

0.25

0.30

1. Pin 1 visual index feature may vary, but must be located within the hatched area.

2. Package is saw singulated

3. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-1149 Rev A Sheet 2 of 2

 2018-2019 Microchip Technology Inc.

DS20006088B-page 40

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