MIC2018YM6TX datasheet, PDF - EEWORLD Datasheet

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MIC2018YM6TX: DescriptionIC distribution SW adj sot23-6; CategoryPower/power management The power supply circuit; File Size1MB，30 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC2018YM6TX Overview

IC distribution SW adj sot23-6

MIC2018YM6TX Parametric

Parameter Name	Attribute value
Maker	Microchip
Reach Compliance Code	compli
JESD-30 code	R-PDSO-G6
Number of terminals	6
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP
Encapsulate equivalent code	TSOP6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
power supply	5 V
Certification status	Not Qualified
Maximum supply current (Isup)	0.33 mA
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL

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MIC20XX Family

Fixed and Adjustable Current Limiting

Power Distribution Switches

General Description

MIC20XX family of switches are current limiting, high-side

power switches, designed for general purpose power

distribution and control in digital televisions (DTV), printers,

set top boxes (STB), PCs, PDAs, and other peripheral

devices (see

Functionality Table

and

Pin Configuration

drawings)

MIC20XX family’s primary functions are current limiting

and power switching. They are thermally protected and will

shutdown should their internal temperature reach unsafe

levels, protecting both the device and the load, under high-

current or fault conditions

Features include fault reporting, fault blanking to eliminate

noise-induced false alarms, output slew rate limiting, under

voltage detection, automatic-on output, and enable pin

with choice of either active low or active high enable. The

FET is self-contained, with a fixed- or user-adjustable

current limit. The MIC20XX family is ideal for any system

where current limiting and power control are desired.

The MIC201X (3

≤

9) and MIC2019A switches offer a

unique new patented feature: Kickstart™, which allows

momentary high-current surges up to the secondary

current limit (I

LIMIT

_2nd) without sacrificing overall system

safety.

The MIC20xx family is offered, depending on the desired

features, in a space-saving 5-pin SOT-23, 6-pin SOT-23,

and 2mm x 2mm MLF

packages.

Datasheets and support documentation can be found on

Micrel’s web site at:

www.micrel.com.

Features

•

MIC20X3 – MIC20X9

70mΩ typical on-resistance @ 5V

•

MIC2005A/20X9A

170mΩ typical on-resistance @ 5V

•

Enable active high or active low

•

2.5V – 5.5V operating range

•

Pre-set current limit values of 0.5A, 0.8A, and 1.2A*

•

Adjustable current limit 0.2A to 2.0A* (MIC20X7-

MIC20X9)

•

Adjustable current limit 0.1A to 0.9A* (MIC20X9A)

•

Undervoltage lock-out (UVLO)

•

Variable UVLO allows adjustable UVLO thresholds*

•

Automatic load discharge for capacitive loads*

•

Soft-start prevents large current inrush

•

Adjustable slew rate allows custom slew rates*

•

Automatic-on output after fault

•

Thermal protection

* Available on some family members

Applications

•

Digital televisions (DTV)

Set top boxes

PDAs

Printers

USB / IEEE 1394 power distribution

Desktop and laptop PCs

Game consoles

Docking stations

___________________________________________________________________________________________________________

Typical Application

5V Supply

Logic

Controller

VIN

ON/OFF

OVERCURRENT/

1µF

MIC2005A

VIN

GND

FAULT/

VOUT

BUS

120µF

USB

Port

Figure 1. Typical Application Circuit

Kickstart is a trademark of Micrel, Inc.

MLF and

MicroLeadFrame

are registered trademarks of Amkor Technology, Inc.

CableCARD is a trademark of CableLabs.

Protected by U.S. Patent No. 7,170,732

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

408

) 944-0800 • fax + 1 (408) 474-1000 •

http://www.micrel.com

August 2011

M9999-080211-D

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