MIC5396 [MICREL]
Low-Power Dual 300mA LDO;
| 型号： | MIC5396 |
| 厂家： | 
MICREL SEMICONDUCTOR |
| 描述： | Low-Power Dual 300mA LDO |
| 文件： | 总2页 (文件大小：84K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MIC5396/7/8/9
Low-Power Dual 300mA LDO
Revision 1.1
General Description
Features
The MIC5396/7/8/9 is an advanced dual LDO ideal for
powering general purpose portable devices. The
• 2.5V to 5.5V input voltage range
• Independent power inputs
• Output voltage range from 1V to 3.3V
• Two 300mA outputs
MIC5396/7/8/9
provides
two
high-performance,
independent 300mA LDOs in a single package. This
makes it possible to improve system efficiency by
providing two independent supply inputs that can be
optimized for each individual LDO. The MIC5396/7/8/9
also features a wide output voltage range down to 1.0V.
• High output accuracy (±2%)
• Low quiescent current – 37µA typical/LDO
• Stable with 1µF ceramic output capacitors
• Low dropout voltage (160mV at 300mA)
• Independent enable pins
• Internal enable pull-down (MIC5398, MIC5399)
• Output discharge circuit (MIC5397, MIC5399)
• Thermal-shutdown protection
Its full feature set and low dropout voltage make it ideal for
battery-powered applications. The MIC5396/7/8/9 offers
2% accuracy, low dropout voltage (160mV at 300mA), and
low ground current (typically 42μA per LDO at full load).
The MIC5396/7/8/9 can also be put into a zero off mode
current state, drawing virtually no current when disabled.
When the MIC5397/9 is disabled an internal resistive load
is automatically applied to the output to discharge the
output capacitor. In addition, the MIC5398/9 offers an
internal enable pull-down resistor to ensure that the output
is disabled when the enable is in tri-state mode. These
LDO’s also offer fast transient response and high PSRR
while consuming a minimum operating current. The family
is available in a tiny 8-pin, 1.2mm x 1.6mm leadless Extra
Thin DFN package.
• Current-limit protection
• 8-pin 1.2mm x 1.6mm Extra Thin DFN package
Applications
• Smart phones
• DSC, GPS, PMP and PDAs
• Medical devices
• Portable electronics
• 5V systems
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
___________________________________________________________________________________________________________
Typical Application
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
Revision 1.1
January 14, 2013
Micrel, Inc.
MIC5396/7/8/9
Absolute Maximum Ratings
Operating Ratings
Supply Voltage (VIN1, VIN2) ............................... –0.3V to +6V
Enable Voltage (VEN1, VEN2). ..............................–0.3V to VIN
Power Dissipation (PD)..............................Internally Limited
Lead Temperature (soldering, 10sec.)....................... 260°C
Junction Temperature (TJ) ........................–40°C to +125°C
Storage Temperature (Ts) .........................–65°C to +150°C
ESD Rating.....................................................................3kV
Supply Voltage (VIN1, VIN2) .............................. +2.5V to 5.5V
Enable Voltage (VEN1, VEN2). ................................... 0V to VIN
Junction Temperature (TJ) ........................–40°C to +125°C
Junction Thermal Resistance
1.2mm x 1.6mm Extra Thin DFN (θJA)..........172.6°C/W
Ordering Information
Output
Discharge
Circuit
Junction
Temperature
Range
Marking
Code
EN Discharge
Circuit
(1)
Part Number (1)
VOUT1/VOUT2
––
–
–
X
–
RJ
RZ
RP
RD
1R
RM
2R
3R
4R
MIC5396-GMYMX
MIC5397-GPYMX
MIC5398-P4YMX
MIC5399-SSYMX
MIC5399-SMYMX
MIC5399-SGYMX
MIC5399-MMYMX
MIC5399-GPYMX(2)
MIC5399-GMYMX
Notes:
1.8V/2.8V
1.8V/3.0V
3.0V/1.2V
3.3V/3.3V
3.3V/2.8V
3.3V/1.8V
2.8V/2.8V
1.8V/3.0V
1.8V/2.8V
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
X
X
X
X
X
X
X
X
X
X
X
X
X
1. Other voltages are available. Contact Micrel for details.
2. Contact Micrel Marketing to order.
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
Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This
information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry,
specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Micrel’s terms and conditions of sale for such products, Micrel assumes no liability
whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties
relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right.
© 2012 Micrel, Incorporated.
January 14, 2013
2
Revision 1.1
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