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PDF MIC2213 Data sheet ( Hoja de datos )
| Número de pieza | MIC2213 | |
| Descripción | Sequenced Portable Power Management IC | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC2213
Micrel, Inc.
MIC2213
Sequenced Portable Power Management IC
General Description
The MIC2213 is a dual µCap low dropout regulator with an
open-drain driver and power-on reset circuit. The first regula-
tor is capable of sourcing 150mA, while the second regulator
can source up to 300mA. A power-on reset function monitors
both outputs, indicating a fault on either output 1 or output 2.
The open-drain output is capable of sinking 150mA for LED
backlighting applications.
The MIC2213 adds the additional feature of sequencing
between the outputs, with the output of regulator 1 having to
settle before the output of regulator 2 can begin to turn-on.
Ideal for battery operated applications, the MIC2213 offers 1%
accuracy, extremely low dropout voltage (80mV @ 100mA),
and extremely low ground current, only 48µA total. Equipped
with a TTL logic compatible enable pin, the MIC2213 can be
put into a zero-off-mode current state, drawing no current
when disabled.
The MIC2213 is a µCap design, operating with very small
ceramic output capacitors for stability, reducing required
board space and component cost.
The MIC2213 is available in fixed output voltages in the
10-pin 3mm × 3mm MLF™ leadless package and is also
available with adjustable output voltages in the 4mm × 4mm
16-pin MLF™ package.
Features
• 2 LDO outputs
• Output 1 - 150mA output current
• Output 2 - 300mA output current
• 1 Open-drain driver
• Power-on reset function with adjustable delay time
• Sequencing between outputs 1 and 2
• Input voltage range: 2.25V to 5.5V
• Stable with ceramic output capacitor
• Low dropout voltage of 80mV @ 100mA
• Ultra-low quiescent current of 48µA
• High output accuracy:
• +1.0% initial accuracy
• +2.0% over temperature
• Thermal Shutdown Protection
• Current Limit Protection
• Tiny 3mm × 3mm MLF™-10 package
Applications
• Cellular/PCS phones
• Wireless modems
• PDAs
Typical Application
VIN
1µF
100kΩ
MIC2213-xxBML
VIN VOUT1
OFF ON
EN
VOUT2
0.01µF
CBYP
OFF ON
SW
CDELAY
SET
GND
POR
DRV
1µF
Ceramic
Keyboard Backlighting LED
VANALOG
VDIGITAL
VCORE
/RST
Baseband
Processor
MEMORY
MIC2213 Typical Cellphone Application
MicroLeadFrame and MLF are trademarks of Amkor Technology.
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
October 2005
1
M9999-101705
1 page  
MIC2213
Micrel, Inc.
Parameter
Conditions
Min Typ Max Units
DRV Output
Voltage Low
IDRV = 150mA
0.2 0.5
0.6
V
Leakage Current
SW Input Voltage
IDRV = 0mA, VDRV = 5.5V, SW = 0V
Logic Low (DRV Shutdown)
–1 0.01 +1
0.6
µA
V
Logic High (DRV Enabled)
1.8 V
SW Input Current
SET Input
VIL < 0.6V (DRV Shutdown)
VIH > 1.8V (DRV Enabled)
–1 0.01 +1
–1 0.01 +1
µA
µA
SET Pin Current Source
SET Pin Threshold Voltage
VSET = 0V
POR = High
0.75 1.25 1.75
1.25
µA
V
Note 1. Exceeding maximum rating may damage the device.
Note 2. The device is not guaranteed to work outside its operating rating.
Note 3. The maximum allowable power dissipation of any TA (ambient temperature) is (PD(max) = TJ(max) – TA) / θJA. Exceeding the maximum allow-
able power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
Note 4. Specification for packaged product only.
Note 5.
Note 6.
Minimum input for line regulation test is set to VOUT + 1V relative to the highest output voltage.
Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1V
differential. For outputs below 2.25V, dropout voltage is the input-to-output voltage differential with the minimum input voltage 2.25V. Minimum
input operating voltage is 2.25V.
Note 7. Time measured from output of regulator 1 reaching 90% of its final value to output of regulator 2 reaching 90% of its final value.
October 2005
5
M9999-101705
5 Page 
MIC2213
Package Information
Micrel, Inc.
10-Lead MLF™ (ML)
16-Lead MLF™ (ML)
MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
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.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2003 Micrel, Inc.
October 2005
11
M9999-101705
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MIC2213.PDF ] | |
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