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LD39115J30R Datasheet(PDF) 1 Page - STMicroelectronics |
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LD39115J30R Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 23 page  December 2011 Doc ID 15527 Rev 5 1/23 23 LD39115Jxx 150 mA low quiescent current low noise voltage regulator Features ■ Input voltage from 1.5 to 5.5 V ■ Ultra low dropout voltage (80 mV typ. at 100 mA load) ■ Very low quiescent current (20 µA typ. at no load, 35 µA typ. at 150 mA load, 1 µA max in off mode) ■ Very low noise (33 µVRMS from 1 kHz to 100 kHz at VOUT = 1.8 V) ■ Output voltage tolerance: ± 2.0 % @ 25 °C ■ 150 mA guaranteed output current ■ Wide range of output voltages available on request: 0.8 V to 4.5 V with 100 mV step ■ Logic-controlled electronic shutdown ■ Compatible with ceramic capacitor COUT = 1 µF ■ Internal current and thermal limit ■ Flip-chip 4 bumps 0.8 x 0.8 mm. pitch ■ Temperature range: -40 °C to 125 °C Applications ■ Mobile phones ■ Personal digital assistants (PDAs) ■ Cordless phones and similar battery-powered systems Description The LD39115Jxx provides 150 mA maximum current from an input voltage ranging from 1.5 V to 5.5 V with a typical dropout voltage of 80 mV. It is stabilized with a ceramic capacitor. The ultra low drop voltage, low quiescent current and low noise features make it suitable for low power battery-powered applications. Power supply rejection is 65 dB at low frequencies and starts to roll off at 10 kHz. An enable logic control function puts the LD39115Jxx in shutdown mode allowing a total current consumption lower than 1 µA. The device also includes a short-circuit constant current limiting and thermal protection. Flip-chip 4 Table 1. Device summary Part numbers Order codes Output voltages LD39115JXX12 LD39115J12R 1.2 V LD39115JXX15 LD39115J15R 1.5 V LD39115JXX18 LD39115J18R 1.8 V LD39115JXX25 LD39115J25R 2.5 V LD39115JXX28 LD39115J28R 2.8 V LD39115JXX30 LD39115J30R 3.0 V LD39115JXX33 LD39115J33R 3.3 V www.st.com |
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