Microchip MIC5374 Manual

Microchip Ikke kategoriseret MIC5374

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MIC5374/84

Triple 200mA µCap LDO and 1mA

RTC LDO in 2.5mm x 2.5mm Thin MLF®

MLF and MicroLeadFrame are registered 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 • http://www.micrel.com

General Description

The MIC5374/84 is a four output device with three 200mA

LDOs and a real time clock (RTC) 1mA LDO which is ideal

for application processor support in mobile platforms. The

MIC5374 provides independent control active high enables

for each of the 200mA LDOs with an additional always-on

RTC LDO. The MIC5384 provides active low enables.

Both the MIC5374 and MIC5384 are available in the tiny

2.5mm x 2.5mm Thin MLF® package.

The MIC5374/84 is designed for high input ripple rejection

(high PSRR) and provides low output noise making it ideal

for powering sensitive RF circuitry such as GPS, WiFi, and

Bluetooth applications. The MIC5374/84 also incorporates

a power-on-reset (POR) supervisor with adjustable delay

time set by an external capacitor, and an independent

input pin to monitor any voltage level. Once high, the POR

output can be asserted low again by enabling the manual

reset (MR) pin. When the MR pin is restored low, the POR

output will re-time the delay set by the external delay

capacitor.

The MIC5374/84 operates with very small ceramic output

capacitors to reduce board space and component cost. It

is available in various fixed output voltages. The

MIC5374/84 has a junction temperature range from −40°C

to 125°C.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Features

• 1.7V to 5.5V input supply voltage range

• Output current - 200mA LDO1/2/3, 1mA LDO4

• LDO4 – Ultra low 8µA IBIAS for RTC support

• High output accuracy (±2%)

• Independent enable pins

• POR with user-defined voltage monitoring

− POR voltage input

− Adjustable delay time

− Manual reset pin

• Low dropout voltage – 170mV at 150mA

• High PSRR − 55dB at 1kHz on each LDO

• Stable with tiny ceramic output capacitors

• 2.5mm x 2.5mm Thin MLF 16-pin package

• Thermal-shutdown and current-limit protection

Applications

• Mobile phones

• GPS receivers

• Application co-processors

• PDAs and handheld devices

Typical Application

Typical MIC5374-xxxYMT Circuit

(Active High Enable)

Typical MIC5384-xxxYMT Circuit

(Active Low Enable)

September 2012 M9999-091712

Micrel, Inc. MIC5374/84

September 2012 2 M9999-091712

Ordering Information

Part Number Mark

Code Output Voltage(1)

Junction

Temperature

Range

Package Lead Finish(2)

MIC5374-MG44YMT MG44 2.8V/1.8V/1.2/1.2V –40° to +125°C 16-Pin 2.5mm x 2.5mm Thin MLF Pb-free

MIC5374-SJG1YMT SJG1 3.3V/2.5V/1.8V/1.0V –40° to +125°C 16-Pin 2.5mm x 2.5mm Thin MLF Pb-free

MIC5384-MG44YMT Z1U 2.8V/1.8V/1.2/1.2V –40° to +125°C 16-Pin 2.5mm x 2.5mm Thin MLF Pb-free

MIC5384-SJG1YMT Z5U 3.3V/2.5V/1.8V/1.0V –40° to +125°C 16-Pin 2.5mm x 2.5mm Thin MLF Pb-free

Note:

1. Other voltage options available. Contact Micrel for details.

2. Lead finish is NiPdAu. Mold compound material is halogen free.

Pin Configuration

MIC5374

16-Pin 2.5mm x 2.5mm Thin MLF (MT)

(Top View)

MIC5384

16-Pin 2.5mm x 2.5mm Thin MLF (MT)

(Top View)

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	MIC5374

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