Micropower Dual 150mA CMOS RF LDO鈩?/div>
Regulators
Features
Low Power Consumption
150mV Dropout at 150mA
1% Output Voltage Accuracy
Requires only 0.47碌F Output Capacitor
Only 135碌A(chǔ) Ground Current at 150mA load
50碌V
RMS
Noise at BW = 300Hz to 50kHz
Excellent Line and Load Transient Response
Over Current/Over Temperature Protection
8-pin MSOP package
Voltage Options Available: 3.3/3.3V, 3.0/3.0V, 3.0/2.8V,
3.0/2.5V, 2.8/2.8V, 2.85/2.85V. Other Custom Values
available upon request.
鈥?Minimum External Components
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General Description
The ILC7280 is two independent 150mA low dropout
(LDO)voltage regulators in an 8-pin MSOP package. Each
regulator output is independently short circuit protected and
has independent enable lines. The device offers a unique
combination of low dropout voltage and low quiescent
current offered by CMOS technology as well as the low
noise and good ripple rejection characteristics of bipolar
LDO regulators.
The ILC7280 is available in a space saving MSOP-8
package.
Applications
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Cellular Phones, pagers and wireless headsets
Palmtops, organizers, PDAs and portable electronics
Battery powered portable appliances and equipment
Remote data accumulation and instrumentation
Block Diagram
V
INA
V
OUTA
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+
EN
A
Current Limit
Thermal Shutdown
*C
NOISE
Bandgap
Reference
GND
Current Limit
Thermal Shutdown
EN
B
+
V
INB
*Optional
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V
OUTB
REV. 1.0.5 6/3/02
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