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L6932H1.2 Datasheet(PDF) 1 Page - STMicroelectronics |
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L6932H1.2 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 13 page  May 2007 Rev 2 1/13 13 L6932H1.2 High performance 2A ULDO linear regulator Features ■ 2V to 14V input voltage range ■ 200mΩ rDS(on) max ■ 200µA quiescent current at any load ■ Excellent load and line regulation ■ Adjustable from 1.2V to 5V ■ 1% voltage regulation accuracy ■ Short circuit protection ■ Thermal shut down ■ HSOP8 package Applications ■ Motherboards ■ Mobile PC ■ Hand-held instruments ■ PCMCIA Cards ■ Processors I/O ■ Chipset and RAM supply Description The L6932 Ultra Low Drop Output linear regulator operates from 2V to 14V and is able to support output current up to 2A. Designed with an interna l 50m Ω N-channel Mosfet, it can be used for onboard DC-DC conversions saving in real estate, list of components, low noise generation and power dissipation. L6932H1.2 is available as adjustable version from 1.2V to 5V with a voltage regulation accuracy of 1%. The upper current limit is fixed at 2.5A to control the current in short circuit condition within ±8%. The current is sensed in the power mos in order to limit the power dissipation. The device is also provided with a thermal shut down that limits the internal temperature at 150°C with a histeresys of 20°C. L6932H1.2 provides the Enable and the Power good functions. HSO-8 www.st.com Figure 1. Typical operating circuit L6932H1.2 R1 R2 R3 C1 C2 Vout=1.2V to 5V Vin=2V to 14V 1 2 3 4 5 6 7 8 EN Vin Vout PGOOD FB GND NC2 NC1 L6932H1.2 R1 R2 R3 C1 C2 Vout=1.2V to 5V Vin=2V to 14V 1 2 3 4 5 6 7 8 EN Vin Vout PGOOD FB GND NC2 NC1 Table 1. Device summary Part number Package Packaging L6932H1.2 HSO-8 Tube L6932H1.2TR HSO-8 Tape and reel |
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