MIC5306-1.5YD5 Просмотр технического описания (PDF) - Micrel
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MIC5306-1.5YD5 Datasheet PDF : 8 Pages
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MIC5306
150mA Micropower µCap Baseband LDO
General Description
The MIC5306 is a micropower, µCap low dropout
regulator designed for optimal performance in a small
space. It is capable of sourcing 150mA of output current
and only draws 16µA of operating current. This high
performance LDO offers fast transient response and
good PSRR while consuming a minimum of current.
Ideal for battery operated applications; the MIC5306
offers 1% accuracy, extremely low dropout voltage
(45mV @ 100mA). Equipped with a TTL logic
compatible enable pin, the MIC5306 can be put into a
zero-off-mode current state, drawing no current when
disabled.
The MIC5306 is a µCap design, operating with very
small ceramic output capacitors for stability, reducing
required board space and component cost.
The MIC5306 is available in fixed output voltages in
Thin SOT23-5 packaging.
Features
• Input voltage range: 2.25V to 5.5V
• Ultra-low IQ: Only 16µA operating current
• Stable with ceramic output capacitor
• Low dropout voltage of 45mV @ 100mA
• High output accuracy
- ±1.0% initial accuracy
- ±2.0% over temperature
• Thermal Shutdown Protection
• Current Limit Protection
Applications
• Digital Logic Power Supply
• Stand-by power supply
• Cellular phones
• PDAs
• Portable electronics
• Notebook PCs
_________________________________________________________________________________________________________
Typical Application
MIC5306
VIN VOUT
Applications
1µF
EN
GND
1µF
Co-processor
Ground Pin Current
vs. Temperature
20
18
150mA
16
14
100µA
12
10
8
6
4
VOUT = 2.8V
2
VIN = VOUT + 1V
COUT = 1µF
0
TEMPERATURE (°C)
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
August 2005
M9999-080805
(408) 955-1690
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