MIC68200-2.5YMLTR Micrel Semiconductor, MIC68200-2.5YMLTR Datasheet

MIC68200-2.5YMLTR

Manufacturer Part Number

MIC68200-2.5YMLTR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC68200-1.2YMLTR.pdf (16 pages)

Specifications of MIC68200-2.5YMLTR

Date_code

06+

Packing_info

33D-10L

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MIC68200-2.5YMLTR

Manufacturer:

MICREL/麦瑞

Quantity:

20 000

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General Description

The MIC68200 is a high peak current LDO regulator

designed specifically for powering applications such

as FPGA core voltages that require high start up

current with lower nominal operating current. Capable

of sourcing 2A of current for start-up, the MIC68200

provides high power from a small MLF

package. The MIC68200 can also implement a variety

of power-up and power-down protocols such as

sequencing, tracking, and ratiometric tracking.

The MIC68200 operates from a wide input range of

1.65V to 5.5V, which includes all of the main supply

voltages commonly available today. It is designed to

drive digital circuits requiring low voltage at high

currents (i.e. PLDs, DSP, microcontroller, etc.). The

MIC68200 incorporates a delay pin (DLY) for control

of power on reset output (POR) at turn-on and power-

down delay at turn-off. In addition there is a ramp

control pin (RC) for either tracking applications or

output voltage slew rate adjustment at turn-on. This is

important in applications where the load is highly

capacitive and in-rush currents can cause supply

voltages to fail and microprocessors or other complex

logic chips to hang up.

Multiple MIC68200s can be daisy chained in two

modes. In tracking mode the output voltage of the

Master drives the RC pin of a Slave so that the Slave

tracks the main regulator during turn-on and turn-off.

In sequencing mode the POR of the Master drives the

enable (EN) of the Slave so that it turns on after the

Master and turns off before (or after) the Master. This

behavior is critical for power-up and power-down

control in multi-output power supplies. The MIC68200

is fully protected offering both thermal and current limit

protection and reverse current protection.

The MIC68200 has a junction temperature range of

–40°C to +125°C and is available in fixed as well as

an adjustable option. The MIC68200 is offered in the

tiny 10-pin 3mm x 3mm MLF

February 2011

Ramp Control is a trademark of Micrel, Inc.

MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •

package.

leadless

Features

•

Applications

•

2A Sequencing LDO with Tracking

Stable with 4.7µF ceramic capacitor

Input voltage range: 1.65V to 5.5V

0.5V reference

+1.0% initial output tolerance

2A maximum output current – peak start up

1A Continuous Operating Current

Tracking on turn-on and turn-off with pin

strapping

Timing Controlled Sequencing On/Off

Programmable Ramp Control for in-rush

current limiting and slew rate control of the

output voltage on Turn-On and Turn-Off

Power-on Reset (POR) supervisor with

programmable delay time

Single Master can control multiple Slave

regulators with tracking output voltages

Tiny 3mm x 3mm MLF

Maximum dropout (V

temperature at 1A output current

Fixed and Adjustable Output Voltages

Excellent line and load regulation specifications

Logic controlled shutdown

Thermal shutdown and current limit protection

FPGA/PLD Power Supply

Networking/Telecom Equipment

Microprocessor Core Voltage

High Efficiency Linear Post Regulator

Sequenced or Tracked Power Supply

and Ramp Control™

MIC68200

– V

package

OUT

http://www.micrel.com

) of 400mV over

M9999-022311-E

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