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ON Semiconductor - 500 mA CMOS LDO Regulator

Numéro de référence CAT6219
Description 500 mA CMOS LDO Regulator
Fabricant ON Semiconductor 
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CAT6219 fiche technique
CAT6219
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500 mA CMOS LDO
Regulator
Description
The CAT6219 is a 500 mA 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 150 ms.
With zero shutdown current and low ground current of 55 mA
typical, the CAT6219 is ideal for battery-operated devices with supply
voltages from 2.3 V to 5.5 V. An internal under voltage lockout circuit
disables the output at supply voltages under 2.15 V typical.
The CAT6219 offers 1% initial accuracy and low dropout voltage,
300 mV typical at 500 mA. Stable operation is provided with a small
value ceramic capacitor, reducing required board space and
component cost.
Other features include current limit and thermal protection.
The LDO is available in fixed and adjustable output in the low
profile (1 mm max height) 5lead TSOT23 and in the 6pad 2 mm x
2 mm TDFN packages.
Features
Guaranteed 500 mA Peak Output Current
Low Dropout Voltage of 300 mV Typical at 500 mA
Stable with Ceramic Output Capacitor
External 10 nF Bypass Capacitor for Low Noise
Quickstart Feature
Under Voltage Lockout
Noload Ground Current of 55 mA Typical
Fullload Ground Current of 85 mA Typical
±1.0% Initial Accuracy (VOUT 2.0 V)
±2.0% Accuracy Over Temperature (VOUT 2.0 V)
“Zero” Current Shutdown Mode
Foldback Current Limit
Thermal Protection
5lead TSOT23 and 6pad TDFN Packages
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Cellular Phones
Batterypowered Devices
Consumer Electronics
http://onsemi.com
5
1
TSOT23
TD SUFFIX
CASE 419AE
1
TDFN6
VP5 SUFFIX
CASE 511AH
PIN CONNECTIONS
1
VIN
VOUT
GND
EN BYP/ADJ
EN
GND
VIN
1
TAB
BYP/ADJ
NC
VOUT
(Top View)
MARKING DIAGRAMS
USYM
RVYM
UMYM
US = CAT6219125, CAT6219250,
= CAT6219300 Device Code
RV = CAT6219180, CAT6219280,
= CAT6219285, CAT6219330 Device Code
UM = CAT6219ADJ Device Code
Y = Production Year (last digit)
M = Production Month: 1 9, A, B, C
ABYM
AB = CAT6219180, CAT6219VP5 Device Code
Y = Production Year (last digit)
M = Production Month: 1 9, A, B, C
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2010
February, 2010 Rev. 9
1
Publication Order Number:
CAT6219/D

PagesPages 9
Télécharger [ CAT6219 ]


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