CD54-470L - ON Semiconductor

CD54-470L 200 mA/ PFM Step-Up Micropower Switching Regulator

Pin # 1 Symbol CE Pin Description Chip Enable pin Chi in (1) ( ) The chip is enabled if a voltage g which is equal q to or greater g than 0.9 V is applied ( ) The (2) Th chip hi is i disabled di bl d if a voltage l which hi h is i less l than h 0.3 V is i applied li d (3) The chip will be enabled if it is left floating Output voltage monitor pin, also the p.

Features

http://onsemi.com 5 1 SOT23−5 (TSOP−5, SC59−5) SN SUFFIX CASE 483 PIN CONNECTIONS AND MARKING DIAGRAM CE OUT NC 1 xxxYW 2 3 5 LX
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• Extremely Low Start−Up Voltage of 0.8 V Operation Down to Less than 0.3 V High Efficiency 85% (Vin = 2.0 V, VOUT = 3.0 V, 70 mA) Low Operating Current of 30 mA (VOUT = 1.9 V) Output Voltage Accuracy ± 2.5% Low Converter Ripple with Typical 30 mV Only Three External Components Are Required Chip Enable Power Down Capability for Extended Battery Life Micro Miniature Thin SOT−23−5 Packages Cellular Telephones Pagers Personal Digital .