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LP2202 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP2202 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 8 page  Preliminary Datasheet LP2202 LP2202 – Ver. 1.0 Datasheet Dec.-2006 Page 1 of 8 250mA,Dual Channel Ultra-Fast CMOS LDO Regulator General Description The LP2202 is a dual channel, low noise, and low dropout regulator sourcing up to 250mA at each channel. The range of output voltage is from 1.2V to 3.6V by operating from 2.5V to 5.5V input. LP2202 offers 2% accuracy, extremely low dropout voltage (220mV @ 250mA), and extremely low ground current, only 25µA per LDO. The shutdown current is near zero current which is suitable for battery-power devices. Other features include current limiting, over temperature, output short circuit protection. LP2202 is short circuit thermal folded back protected. LP2202 lowers its OTP trip point from 165°C to 110°C when output short circuit occurs (VOUT < 0.4V) providing maximum safety to end users. LP2202 can operate stably with very small ceramic output capacitors, reducing required board space and component cost. LP2202 is available in fixed output voltages in the SOT-23-6 package. Ordering Information LP2202 - □ □ □ □ □ F: Pb-Free Package Type B6: SOT23-6 Out1/Out2 Voltage Type 18/28: 1.8V/2.8V 25/28: 2.5V/2.8V 28/28: 2.8V/2.8V Typical Application Circuit 1uF LP2202 Chip Enable VIN VOUT2 1uF 4 1 2 6 5 3 EN1 Vout2 GND Vout1 Vin EN2 VOUT1 1uF Features Wide Operating Voltage Ranges : 2.5V to 5.5V Low-Noise for RF Application High PSRR 70dB at 1kHz No Noise Bypass Capacitor Required Fast Response in Line/Load Transient TTL-Logic-Controlled Shutdown Input Dual LDO Outputs (300mA/300mA) High Output Accuracy 2% Ultra-low Quiescent Current 27uA Thermal Shutdown Protection Thermal Shutdown Protection Tiny SOT-23-6 and 8-Lead DFN Package RoHS Compliant and 100% Lead (Pb)-Free Applications CDMA/GSM Cellular Handsets Smart mobile phone Battery-Powered Equipment DSC Sensor Wireless Card Pin Configurations Marking Information Please see website. SOT23-6 (Top View) |
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