MIC2212-PSYMLTR Micrel Semiconductor, MIC2212-PSYMLTR Datasheet

MIC2212-PSYMLTR

Manufacturer Part Number

MIC2212-PSYMLTR

Description

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC2212-DNBMLTR.pdf (10 pages)

Specifications of MIC2212-PSYMLTR

Date_code

05+

Packing_info

33D-10L

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General Description

The MIC2212 is a dual µCap low dropout regulator with

power-on reset circuit. The ﬁrst regulator is capable of sourcing

150mA, while the second regulator can source up to 300mA

and includes a power-on reset function.

Ideal for battery operated applications, the MIC2212 offers 1%

accuracy, extremely low dropout voltage (80mV @ 100mA),

and extremely low ground current, only 48µA total. Equipped

with TTL-logic-compatible enable pins, the MIC2212 can be

put into a zero-off-mode current state, drawing no current

when disabled.

The MIC2212 is a µCap design, operating with very small

ceramic output capacitors for stability, reducing required

board space and component cost.

The MIC2212 is available in ﬁxed output voltages in the

10-pin 3mm × 3mm MLF™ leadless package.

Typical Application

MicroLeadFrame and MLF are trademarks of Amkor Technology.

February 2006

MIC2212

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

Battery

Li-Ion

Sets del ay for POR

MIC2212 Typical Cell Phone Application

VIN

EN1

EN2

CBYP

SET

MIC2212-xxBML

GND

VOUT1

VOUT2

POR

Features

• Input voltage range: 2.25V to 5.5V

• Stable with ceramic output capacitor

• 2 LDO outputs

• Power-on reset function with adjustable delay time

• Low dropout voltage of 80mV @ 100mA

• Ultra-low quiescent current of 48µA

• High output accuracy:

• Thermal shutdown protection

• Current limit protection

• Tiny 10-pin 3mm × 3mm MLF™ package

Applications

• Cellular/PCS phones

• Wireless modems

• PDAs

• Output 1 – 150mA output current

• Output 2 – 300mA output current

• +1.0% initial accuracy

• +2.0% over temperature

Dual µCap LDO and Power-On Reset

/RST

MIC2212

µProcessor

Baseband

I/O

CORE

Ceramic

OUT

= 1µF

M9999-022106

Micrel, Inc.

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