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Social Responsibility Strategy Report - 2650 Words
SOCIAL RESPONSIBILITY STRATEGY REPORT Report Paradigm, a health information start-up, is a joint venture formed in the second quarter of 2012 by two Fortune 200 companies for the purpose consolidating diverse technology portfolios and improving health informatics solution offerings to hospitals and health care providers. As a start-up, Paradigm is still in the process of building a company culture understanding its social responsibility role within affected communities. Social responsibility is a form of corporate self-management that tightly integrates into the business model and operations of an organization. In practice, social responsibility encourages personnel at all levels of the company to not only consider the method ofâ⬠¦show more contentâ⬠¦The third consideration is the implementation of non-operational green initiatives. As previously mentioned, Paradigm leases office space within multiple major cities. Two specific concerns related to non-operational green initiatives that should be accommodated within a social responsibility strategy are: utilization of mass transit and flexible scheduling accommodations. In each United States based office, Paradigmââ¬â¢s facilities are located within one city block of a mass transit hub or interstate highway. Utilization of mass transit and public or privately sponsored carpooling programs reduce CO2 emissions and transit cost to personnel (Schmalenberg, 2013). In addition, companies intro ducing flexible scheduling options to personnel, such as four day work weeks or telecommuting, further reduce the impact of transportation emissions that negatively affect the environment. A social responsibility strategy that includes accommodations for non-operational green initiatives will positively affect the environment while promoting cost-saving collaboration among personnel. In the previous sections we examined three considerations for incorporation into an environmentally friendly social responsibility strategy: optimal use of facilities, efficient use of consumable materials and alternatives, as well as implementation of non-operational greenShow MoreRelatedCorporate Social Responsibility : Csr1433 Words à |à 6 Pages Corporate Social Responsibility (CSR) is something that affects all companies and should be an active factor in the companyââ¬â¢s decision making. It is something all corporations need to care about. CSR is when businessââ¬â¢ or corporations take part in an initiative or campaign for a cause that will benefit society and/or in some way make the world a better place (Taylor, 2015). 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Lm317 Adjustable Voltage Regulator Free Essays
Research about LM317 Positive Adjustable Linear Voltage Regulator: The LM317T is a 3-terminal integrated circuit which can supply a load current of up to 1. 5 Amps with an output voltage of between 1. 2V and 37 Volts. We will write a custom essay sample on Lm317 Adjustable Voltage Regulator or any similar topic only for you Order Now It accepts an input voltage of between 3 and 40 volts. It can be used to regulate either current or voltage in situations where a fixed current or fixed voltage is required. The level of current or voltage required can be adjusted by connecting the chip in series with a fixed resistor and a potentiometer. The LM317 is also a popular variable voltage regulator. It was invented by Robert C. Dobkin and Robert J. Widlar in 1970 while they worked at National Semiconductor. Furthermore, both line and load regulation is better than standard fixed regulators. In addition to having higher performance than fixed regulators, this device includes on-chip current limiting, thermal overload protection, and safe operating-area protection. All overload protection remains fully functional, even if the adjust terminal is disconnected. The LM317 is versatile in its applications, including uses in programmable output regulation and local on-card regulation. Or, by connecting a fixed resistor between the adjust and output terminals, the LM317 can function as a precision current regulator. An optional output capacitor can be added to improve transient response. The adjust terminal can be bypassed to achieve very high ripple-rejection ratios, which are difficult to achieve with standard three-terminal regulators. LM317 Adjustable Voltage Regulator pin configuration. LM317 Adjustable Voltage Regulator Internal Block Diagram Operation of the LM317 Adjustable Voltage Regulator: A constant 1. 5V reference voltage (VREF) produces a constant current (IREF) through R1 regardless of the value of R2. IREF = VREF / R1 In operation, the LM317 develops a nominal 1. 25V reference voltage, VREF, between the output and adjustment terminal. The reference voltage is impressed across the resistor R1 and, since the voltage is constant, a constant current I1 then flow through the output set resistor R2, giving an output voltage of: VOUT = VREF (1+ R2/R1) + IA DJ R2 (The IADJ is typically a 50 à µA; it is negligible in most applications and the input voltage should be 2-3V higher than with its output voltage. Application Information: NOTES: A. Ci is not required, but is recommended, particularly if the regulator is not in close proximity to the power-supply filter capacitors. A 0. 1-? F disc or 1-? F tantalum provides sufficient bypassing for most applications, especially when adjustment and output capacitors are used. B. CO improves transient response, but is not needed for stability. C. The Output Voltage (Because IAdj typically is 50 ? A, it is negligible in most applications. ) D. CADJ is used to improve ripple rejection; it prevents amplification of the ripple as the output voltage is adjusted higher. If CADJ is used, it is best to include protection diodes. E. If the input is shorted to ground during a fault condition, protection diodes provide measures to prevent the possibility of external capacitors discharging through low-impedance paths in the IC. By providing low-impedance discharge paths for CO and CADJ, respectively, D1 and D2 prevent the capacitors from discharging into the output of the regulator. Schematic Diagram: Solving for IREF: IREF = VREF / R1 IREF = 1. 25V / 10000? IREF = 125mA Solving for VOUT(MIN) and VOUT(MAX): VOUT (MIN)/(MAX) = VREF (1+ R2/R1) + IADJ R2 VOUT(MIN) = 1. 25V (1+ 0? /10000? ) + 0. 000050A * 0? VOUT(MIN) = 1. 25V VOUT(MAX) = 1. 25V (1+ 50000? /10000? ) + 0. 000050A * 50000? VOUT(MAX) = 10V (Therefore, the minimum input voltage that in order to supply its maximum output voltage is 12V. ) List of Components: Name| Type| Symbol| Material| Description| LM317 (IC) | Adjustable Linear Voltage Regulator| | | It is an adjustable three-terminal positive voltage regulator capable of supplying more than 1. 5A over an output-voltage range of 1. 5 V to 37 V. | Potentiometer| Variable Resistor| | | Informally, a pot, in electronics technology is a component, a three-terminal resistor with a sliding contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. | Ceramic Capacitor| Unpolarized| | | It is a two-terminal non-polar device that is constructed of alternating layers of metal and ceramic, with the ceramic material acting as the dielectric. | Name| Type| Symbol| Material| Description| Electrolytic capacitor| Polarized| | | Formerly known as condenser, is a passive two-terminal electrical component used to store energy in an electric field. | Resistor| Carbon Film| | | It is a passive two-terminal electrical component that implements electrical resistance as a circuit element. The current through a resistor is in direct proportion to the voltage across the resistorââ¬â¢s terminals. | Diode| Rectifier| | | It is a two-terminal electronic components that allow current to flow in only one direction, from an anode (+) to a cathode (-), and that convert AC to DC. Component Layout: PCB Design Layout: Conclusion: I observed that the output voltage of the regulator (LM317) is depend on the R1 and R2 because when the R2 is set to minimum output resistance, the output voltage decrease to its minimum value that is equal to the voltage reference (VREF) while it is set to the maximum resistance, its output voltage will increase and it will reach its maximum output voltage th at it can supply. As I said, that the output voltage can control and set it to the value that you desired or enough to supply a load or a circuit. How to cite Lm317 Adjustable Voltage Regulator, Essay examples
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