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CAT6219-180TD-GT3 Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT6219-180TD-GT3 Datasheet(HTML) 1 Page - Catalyst Semiconductor |
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1 / 10 page  CAT6219 © 2007 Catalyst Semiconductor, Inc. 1 Doc. No. 10009 Rev. A Characteristics subject to change without notice 500mA CMOS LDO Regulator FEATURES Guaranteed 500mA peak output current Low dropout voltage of 300mV typical at 500mA Stable with ceramic output capacitor External 10nF bypass capacitor for low noise Quick-start feature Under voltage lockout No-load ground current of 55μA typical Full-load ground current of 85μA typical ±1.0% output voltage initial accuracy ±2.0% accuracy over temperature “Zero” current shutdown mode Current limit and thermal protection 5-lead thin SOT-23 and 6-lead TDFN packages APPLICATIONS Cellular phones Battery-powered devices Consumer Electronics DESCRIPTION The CAT6219 is a 500mA 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 CAT6219 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 2.15V typical. The CAT6219 offers 1% initial accuracy and low dropout voltage, 300mV typical at 500mA. Stable operation is provided with a small value ceramic capacitor, reducing required board space and compo- nent cost. Other features include current limit and thermal protection. The device is available in the low profile (1mm max height) 5-lead thin SOT23 and in the 6-lead 2mm x 2mm TDFN packages. For Ordering Information details, see page 9. PIN CONFIGURATION TYPICAL APPLICATION CIRCUIT 5-Lead Thin SOT-23 6-Lead TDFN (1mm height) (2mm x 2mm) Top View Top View VIN CAT6219 BYP EN VOUT GND OFF ON VIN 1µF 2.3V to 5.5V CIN VOUT 2.2µF COUT 10nF CBYP (Optional) VOUT EN 2 3 1 BYP 5 4 VIN GND CAT6219 BYP VIN 3 1 VOUT 6 NC 5 4 EN GND 2 |
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Descripción similar - CAT6219-180TD-GT3 |
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