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CAT6218-330TD-GT3 Datasheet(PDF) 1 Page - Catalyst Semiconductor

Part # CAT6218-330TD-GT3
Description  300mA CMOS LDO Regulator
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT6218-330TD-GT3 Datasheet(HTML) 1 Page - Catalyst Semiconductor

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CAT6218
© 2007 Catalyst Semiconductor, Inc.
1
Doc. No. MD-4010 Rev. A
Characteristics subject to change without notice
300mA CMOS LDO Regulator
FEATURES
Guaranteed 300mA output current
Low dropout voltage of 180mV typical at 300mA
Stable with 1μF ceramic output capacitor
External 10nF bypass capacitor for low noise
Quick-start feature
No-load ground current of 55μA typical
Full-load ground current of 80μA typical
±1.0% output voltage initial accuracy
±2.0% accuracy over temperature
“Zero” current shutdown mode
Fold-back current limit and under-voltage
lockout
Thermal protection
Thin SOT23-5 package
APPLICATIONS
Cellular phones
Battery-powered devices
Consumer Electronics
DESCRIPTION
The CAT6218 is a 300mA CMOS low dropout
regulator that provides fast response time during load
current and line voltage changes.
The quick-start feature allows the use of an external
bypass capacitor to reduce the overall output noise
without affecting the turn-on time of just 150μs.
With zero shutdown current and low ground current of
55μA typical, the CAT6218 is ideal for battery-
operated devices with supply voltages from 2.3V to
5.5V. An internal under voltage lockout circuit disables
the output at supply voltages under 2.1V typical.
The CAT6218 offers 1% initial accuracy and low
dropout voltage, 180mV typical at 300mA. Stable
operation is provided with a small value ceramic
capacitor, reducing required board space and compo–
nent cost.
Other features include fold-back current current limit
and thermal protection.
The device is available in the low profile (1mm max
height) 5-lead thin SOT23 package.
PIN CONFIGURATION
TSOT-23 5-Lead
(1mm height)
VOUT
EN
2
3
1
BYP
5
4
VIN
GND
Top View
TYPICAL APPLICATION CIRCUIT
For Ordering Information details, see page 9.
VIN
BYP
EN
VOUT
GND
OFF ON
VIN
1µF
2.3V
to 5.5V
CIN
VOUT
1µF
COUT
10nF
CBYP (Optional)
CAT6218


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