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BA51W12ST Dataheets PDF



Part Number BA51W12ST
Manufacturers Rohm
Logo Rohm
Description Dual Output Voltage Regulator
Datasheet BA51W12ST DatasheetBA51W12ST Datasheet (PDF)

www.DataSheet4U.com Regulator ICs Dual output voltage regulator with power saving BA51W12ST The BA51W12ST is a general-purpose, low saturation power supply with two outputs : 9V, 1A and 5V, 500mA. The IC is available in a compact TO220FP-5 package. The outputs can be turned off during the power saving state with the built-in switch. Also built in the IC is an overcurrent protection circuit, an overvoltage protection circuit, and a thermal shutdown circuit. FApplications Car audio systems, VCRs.

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www.DataSheet4U.com Regulator ICs Dual output voltage regulator with power saving BA51W12ST The BA51W12ST is a general-purpose, low saturation power supply with two outputs : 9V, 1A and 5V, 500mA. The IC is available in a compact TO220FP-5 package. The outputs can be turned off during the power saving state with the built-in switch. Also built in the IC is an overcurrent protection circuit, an overvoltage protection circuit, and a thermal shutdown circuit. FApplications Car audio systems, VCRs, facsimiles, air conditioners, and other household and industrial equipment FFeatures 1) Minimum I / O voltage differential is 0.5V or less. 2) Built-in protection circuits against overcurrent, overvoltage, and overheat. FAbsolute maximum ratings (Ta = 25_C) DataShee 3) Available in a compact TO220FP-5 package (pins are bendable). 4) Zero power saving current. (Typ.) DataSheet4U.com FRecommended operating conditions (Ta = 25_C) DataSheet4U.com 117 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs FBlock diagram BA51W12ST et4U.com DataShee DataSheet4U.com FPin descriptions DataSheet4U.com 118 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs FInput / output circuits CTL OUT1, 2 BA51W12ST et4U.com DataShee DataSheet4U.com DataSheet4U.com 119 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 14.0V) BA51W12ST et4U.com DataShee DataSheet4U.com DataSheet4U.com 120 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs FMeasurement circuits BA51W12ST et4U.com DataShee DataSheet4U.com DataSheet4U.com 121 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs BA51W12ST et4U.com DataShee DataSheet4U.com DataSheet4U.com 122 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs BA51W12ST et4U.com DataShee DataSheet4U.com DataSheet4U.com 123 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs BA51W12ST et4U.com DataShee FApplication example DataSheet4U.com DataSheet4U.com 124 DataSheet 4 U .com www.DataSheet4U.com Regulator ICs BA51W12ST FOperation notes ate continuously under transitional conditions (for (1) Although the circuit examples included in this handinstance, if output is clamped at 1VF or higher, short book are highly recommendable for general use, you mode circuit operates at 1VF or lower). Note that the cirshould be thoroughly familiar with circuit characteristics as they relate to your own use conditions. If you intend cuit ability is negatively correlated with temperature. to change the number of external circuits, leave an ample (6) Thermal protection circuit margin, taking into account discrepancies in both static A built-in thermal protection circuit prevents thermal and dynamic characteristics of external parts and Rohm damage to the IC. All outputs are turned off when the cirICs. In addition, please be advised that Rohm cannot cuit operates, and revert to the original state when the provide complet.


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