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CAT6218 Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT6218 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 9 page © Semiconductor Components Industries, LLC, 2011 January, 2011 − Rev. 5 1 Publication Order Number: CAT6218/D CAT6218 300 mA CMOS LDO Regulator Description The CAT6218 is a 300 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 CAT6218 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 2.1 V typical. The CAT6218 offers 1% initial accuracy and low dropout voltage, 180 mV typical at 300 mA. Stable operation is provided with a small value ceramic capacitor, reducing required board space and component cost. Other features include fold−back current limit and thermal protection. The device is available in the low profile (1 mm max height) 5−lead thin SOT23 package. Features • Guaranteed 300 mA Output Current • Low Dropout Voltage of 180 mV Typical at 300 mA • Stable with 1 mF Ceramic Output Capacitor • External 10 nF Bypass Capacitor for Low Noise • Quick−start Feature • No−load Ground Current of 55 mA Typical • Full−load Ground Current of 80 mA Typical • ±1.0% Initial Accuracy (VOUT ≥ 2.0 V) • ±2.0% Accuracy Over Temperature (VOUT ≥ 2.0 V) • “Zero” Current Shutdown Mode • Fold−back Current Limit and Under−voltage Lockout • Thermal Protection • Thin SOT23−5 Package • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Applications • Cellular Phones • Battery−powered Devices • Consumer Electronics http://onsemi.com TSOT−23 TD SUFFIX CASE 419AE PIN CONNECTIONS RUYM MARKING DIAGRAM 1 5 (Top View) VOUT BYP VIN GND EN 1 See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. ORDERING INFORMATION Supply voltage input. 1 Ground reference. 2 Enable input (active high); a 2.5 MW pull−down resistor is provided. 3 Optional bypass capacitor connec- tion for noise reduction and PSRR enhancing. 4 LDO Output Voltage. 5 Function Pin # PIN FUNCTION Name VIN GND EN BYP VOUT RU= CAT6218 Device Code Y = Production Year (last digit) M = Production Month: 1 − 9, A, B, C |
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