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GM6355 Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM6355 Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 6 page  1 GM6355 300mA LOW NOISE CMOS LDO WITH ENABLE FUNCTION www.gammamicro.com.tw Application Battery operated systems Portable computers Portable cameras and video recorders Reference voltage sources Instruments Pagers Typical Application Circuits Description The GM6355 series is a low-dropout linear regulator. It is designed specifically for battery- operated systems with the ground current as low as 50μA typical. This feature significantly extends the battery life. Low power consumption and high accuracy is achieved through CMOS and programmable fuse technologies. GM6355 offers adjustable output option with VREF = 0.9V as well fixed output voltages including from 0.9V to 6.0V with 0.1V increment. GM6355 consists of a high-precision voltage reference, an error correction circuit, and a current limited output driver. With good transient responses, output remains stable even during load changes. With its high ripple rejection ratios, this series can be used with power supply noise. A 470pF capacitor from the bypass (BY) input to ground reduces noise presenting on the internal reference, which in turn significantly reduces output noise. If output noise is not a concern, this input may be left unconnected. However, to use larger capacitor values Cbp it will result in a longer time to rated output voltage when power is initially applied. GM6355 incorporates both over-temperature and over-current protection. SOT23-5 (300mW) packages is available. Maximum output current: 300mA Minimum output voltage as low as 0.9V High output voltage accuracy: ± 1.5% Low power consumption On chip thermal and short circuit protections Low dropout voltage – 300mV @ 300mA Minimum input voltage 2.0V VIN Enable EN 1 2 3 4 CBP BP Shutdown COUT = 1µF 5 VOUT Note: EN (Pin 3) maybe connected directly to VIN (Pin1) GM6355-x.x GM6355-Adj Figure 1 Fixed output version Figure 2. Adjustable output version COUT = 1µF VIN Enable EN 1 3 5 Adj 4 VOUT = VREF (1+ R1/R2) R1 R2 2 Shutdown |
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Similar Description - GM6355 |
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