MIC2211-SSYML Micrel Inc, MIC2211-SSYML Datasheet

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MIC2211-SSYML

Manufacturer Part Number
MIC2211-SSYML
Description
Manufacturer
Micrel Inc
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
MIC2211-SSYML
Manufacturer:
MICREL
Quantity:
20 638
Part Number:
MIC2211-SSYML
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
General Description
The MIC2211 is a dual µCap low dropout regulator. The first
regulator is capable of sourcing 150mA, while the second
regulator can source up to 300mA.
Ideal for battery operated applications, the MIC2211 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 MIC2211 can be
put into a zero-off-mode current state, drawing no current
when disabled. Separate enable pins allow individual control
of each output voltage.
The MIC2211 is a µCap design, operating with very small
ceramic output capacitors for stability, reducing required
board space and component cost.
The MIC2211 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, Inc.
October 2005
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
0.01 F
OFF ON
OFF ON
MIC2211 Typical Cell Phone Application
VIN
EN1
EN2
CBYP
MIC2211-xxBML
GND
VOUT1
VOUT2
1
Ceramic
Features
• Input voltage range: 2.25V to 5.5V
• Stable with ceramic output capacitor
• 2 LDO outputs:
• Low dropout voltage of 80mV @ 100mA
• Ultra-low quiescent current of 48µA total (24µA/LDO)
• High output accuracy:
• Thermal shutdown protection
• Current limit protection
• Tiny 10-pin 3mm × 3mm MLF™ package
Applications
• Cellular phones
• Wireless modems
• PDAs
1 F
• Output 1 - 150mA output current
• Output 2 - 300mA output current
• +1.0% initial accuracy
• +2.0% over temperature
Dual µCap LDO in 3mm × 3mm MLF™
1 F
V
V
I/O
CORE
Baseband
Processor
MIC2211
M9999-101805

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MIC2211-SSYML Summary of contents

Page 1

... General Description The MIC2211 is a dual µCap low dropout regulator. The first regulator is capable of sourcing 150mA, while the second regulator can source up to 300mA. Ideal for battery operated applications, the MIC2211 offers 1% accuracy, extremely low dropout voltage (80mV @ 100mA), and extremely low ground current (only 48µA total). Equipped ...

Page 2

... MIC2211-PLYML 3.0V/2.7V MIC2211-PMYML 3.0V/2.8V MIC2211-PNYML 3.0V/2.85V MIC2211-PPYML 3.0V/3.0V MIC2211-PSYML 3.0V/3.3V MIC2211-SGYML 3.3V/1.8V MIC2211-SMYML 3.3V/2.8V MIC2211-SSYML 3.3V/3.3V MIC2211-VVYML 3.6V/3.6V MIC2211-AAYML ADJ/ADJ 2 Junction Temp. Range Package -40°C to +125°C 10-Pin 3x3 MLF™ -40°C to +125°C 10-Pin 3x3 MLF™ -40°C to +125°C 10-Pin 3x3 MLF™ ...

Page 3

Pin Configuration VIN 1 EN1 2 EN2 3 BYP 10-Pin 3mm × 3mm MLF™ (ML) (Top View) Pin Description Pin Number Pin Name 1 VIN 2 EN1 3 EN2 4 CBYP GND 9 ...

Page 4

Absolute Maximum Rating Supply Input Voltage (V ) ...................................... Enable Input Voltage (V ) .................................... Power Dissipation (P ) ..........................Internally Limited D Junction Temperature ............................... –40°C to +125°C Storage Temperature (T ) .......................... –65°C ...

Page 5

Typical Characteristics P SR ROutp 100nF 10nF 1nF OUT I = 150mA OUT C = 1µF ...

Page 6

Typical Characteristics (cont.) G round C urrent vs . Output C urrent LDO1 LDO1 Only 5 LDO2 Dis abled (V = LOW ) 100 150 OUTPUT 1 LOAD CURRENT ...

Page 7

Functional Characteristics October 2005 7 M9999-101805 ...

Page 8

... Functional Diagram VIN EN1 EN2 CBYP VIN EN1 EN2 CBYP M9999-101905 LDO1 LDO2 Reference GND MIC2211 Fixed Voltage Block Diagram LDO1 LDO2 Reference GND MIC2211 Adjustable Voltage Block Diagram 8 OUT1 OUT2 OUT1 ADJ1 OUT2 ADJ2 October 2005 ...

Page 9

... AC performance. A 1µF capacitor or greater located close to the IC is recommended. Bypass Capacitor The internal reference voltage of the MIC2211 can be bypassed with a capacitor to ground to reduce output noise and increase power supply rejection (PSRR). A quick-start feature allows for quick turn-on of the output voltage regardless of the size of the capacitor. The recommended nominal bypass capacitor is 0.01µ ...

Page 10

... Package Information MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...

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