Application Circuits Using LM317 from National ... 5V Regulator with Electronic Shutdown A very interesting modification in the standard LM317 circuit enables the circuit to monitor external dangerous situation and shut down the output of the regulator in response to the external relevant trigger. LT1117 5V Regulator with Shutdown Circuit Collection ... The LT1117 is a positive low dropout regulator designed to provide up to 800mA of output current. The device is available in an adjustable version and fixed output voltages of 2.85V, 3.3V and 5V. The 2.85V version is designed specifically to be used in Active Terminators for the SCSI bus. All internal circuitry is designed to operate down to MIC2951 Linear Regulators A logic compatible shutdown input is also available that enables the regulator to be switched on and off. This part may also be pin strapped for a 5V output or programmed from 1.24V to 29V with the use of two external resistors. LP2957 5V Low Dropout Regulator for micro P Application ... The LP2957 is a 5V micropower voltage regulator with electronic shutdown, error flag, very low quiescent current (150 µA typical at 1 mA load), and very low dropout voltage (470 mV typical at 250 mA load current). LP2951 100 mA Low Dropout Voltage Regulator • Logic Controlled Electronic Shutdown • Output Programmable from 1.24V to 29V. Applications • Automotive Electronics • Voltage Reference • Avionics. General Description. The LP2951 is micropower voltage regulators with very low dropout voltage (typically 40. mV at light loads and 380 mV at 100 mA), and very low quiescent current (75 ... 5V buck regulator using LM2678 Electronic Circuits and ... Description. Here is the circuit diagram of a 5V buck switching regulator based on the IC LM2678 from National Semiconductors. LM2678 series of regulators are monolithic integrated circuits which provide all necessary functions required for a buck switching regulator and can drive up to 5A loads. LM317 Adjustable Power Supply Quality Electronic Kits ... 5V Regulator with Electronic Shutdown A very interesting modification in the standard LM317 circuit enables the circuit to monitor external dangerous situation and shut down the output of the regulator in response to the external relevant trigger. LM317 datasheet(6 11 Pages) STMICROELECTRONICS | 1.2V TO ... Figure 8 : 5V Electronic Shut down RegulatorFigure 9 : Digitally Selected Outputs(R2 sets maximum Vo)Figure 10 : Battery Charger (12V)Figure 11 : Current Limited 6V Charger*RS sets output impedance of chargerZo= RS (1 R2R1 datasheet search, datasheets, Datasheet search site for Electronic ponents and Semiconductors, integrated circuits, diodes and other semiconductors. LT1129 Datasheet and Product Info | Analog Devices The LT1129 LT1129 3.3 LT1129 5 are micropower low dropout regulators with shutdown. The devices are capable of supplying 700mA of output current with a dropout voltage of 400mV at maximum output. Designed for use in battery powered systems, the low quiescent current, 50μA operating and 16μA in shutdown, make them an ideal choice. The quiescent curr Best 5v voltage regulator IC to power microcontroller and ... Before, I'm using 7805 (T0 220 package) on my previous projects but I realized at the end it has a high quiescent current. I'm planning to use LM2936 or LP2954 to power my board which has 1 RF transceiver module and PIC16f877a. I'll be using the 9v rectangle battery as my input voltage. Which do... Voltage Regulator | All About Circuits How to incorporate voltage regulator and filtering to a Voltage Divider circuit: I'm looking for a voltage regulator in LT Spice boost from 2.5V to 5V 500mA Iout: lm317t output stays about .7v lower than input: simple variable voltage regulator questions (about current) LP2951 Linear Regulators Available in a 3 pin TO 92 package, the LP2950 is pin compatible with the older 5V regulators. Additional system functions, such as programmable output voltage and logic controlled shutdown, are available in the 8 pin DIP and 8 pin SOIC versions of the LP2951. | 5V Step Up Voltage Regulator U1V10F5 This regulator is also available with a fixed 3.3 V output, and very similar 3.3V, 5V, and adjustable output versions are available with a true shutdown option that turns off power to the load. 1.25A Low Dropout Voltage Regulator mic2941a 5v or 3.3v selectable regulator with shutdown shutdown v gnd out vin adj shutdown input 100pf 2n2222 1% 300kΩ 5v to 7v 1% 180kΩ 10μf 470 kΩ off on 5v 3.3v 220kΩ 1% vcc out adjust pin low = enable output. q1 on = 3.3v, q1 off = 5.0v. 7805 Datasheet 1A, 5V, Positive Voltage Regulator ... 7805 is 5V, positive voltage regulator. The 7805 of three terminal regulators is available with several fixed output voltages making them useful in a wide range of applications. One of these is local on card regulation, eliminating the distribution problems associated with single point regulation. 60V to 5V @ 3.5A Buck converter with USB output ... This is a 60V to 5V – 3.5A step down DC DC converter based on TPS54360B from Texas Instruments. Sample applications are: 12 V, 24 V and 48 V industrial, Automotive and munications Power Systems. The TPS54360 is a 60V, 3.5A, step down regulator with an integrated high side MOSFET. MIC2954 Microchip Technology MIC2954 250mA Low Dropout Regulator Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel 1 ... • Logic controlled electronic shutdown • Output programmable from 1.24V to 29V ... 5V or 3V Selectable Regulator with Shutdown Wide Input Voltage Range Current Limiter . AN 103LM340 Series Three Terminal Positive Regulators 22 Electronic Shutdown Circuit..... 19 23 Variable High Voltage Regulator with Shortcircuit and Overvoltage Protection..... 20 2 AN 103LM340 Series Three Terminal Positive Regulators SNOA660A– May 2004– Revised Mat 2013 ADJUSTABLE MICROPOWER VOLTAGE REGULATORS WITH SHUTDOWN ... A second feature is the logic compatible SHUTDOWN input which enables the regulator to be switched on and off. Also, the part may be pin strapped for a 5V output or programmed from 1.24V to 29V WITH an external pair of resistors. Careful design of the LP4950C LP4951C has minimized all contributions to the error budget. ST L7805CV 5V 1A Voltage Regulator | Rapid Online This three terminal single output 5V fixed positive voltage regulator can deliver 1A of regulated output current.Although designed primarily as a fixed voltage regulator, this devices can be used with external components to obtain adjustable voltages and currents. 500mA, 5.5V, Ultra Low Dropout Linear Regulator 500mA, 5.5V, Ultra Low Dropout Linear Regulator ... Portable Electronic Device ... 0.54V turns the regulator off and enters the shutdown mode, while V EN above 0.88V turns the regulator on. When the regulator is shutdown, the ground current is reduced to a maximum of 1μA. 400mA Low Drop Out Voltage Regulator with Shutdown The regulator output voltage (of the SO 8) may be pin strapped for a 3.3V and 5.0V or programmed from 1.24V to 20V with an external pair of resistors. 400mA Low Drop Out Voltage Regulator with Shutdown Front View TO 220 3 (U) SPX2920 123 V IN TO 263 3 (T) Top View 1 SPX2920 2 3 GND V OUT V IN GND V OUT Top View 2 1 3 4 8 7 6 5 SPX2920 8 Pin ... 5V, 500mA Step Down Voltage Regulator D24V5F5 | 2843 | Pololu 5V, 500mA Step Down Voltage Regulator D24V5F5. The compact (13mm × 10mm × 3mm) D24V5F5 synchronous buck voltage regulator takes an input voltage of up to 36V and efficiently reduces it to 5 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 85% and 90% and has a very low dropout, so it can be used with input voltages as low as a few hundred millivolts above 5 V. LM317 voltage regulator: Pinout, CALCULATOR and circuits This is a USB 5V to 1.5V Step Down Converter Circuit. When we use a Cheap MP3 Player which uses only one 1.5V AA battery as its power supply. Low dropout 5v regulator This is 5V low dropout regulator circuit using a transistor and LED only so easy,lowest voltage input is 6V so across it is 1V only, make output is 5V 0.5A : High Efficiency LDO Regulator DC 6V 9V 12V 24V ... Buy High Efficiency LDO Regulator DC 6V 9V 12V 24V to 5V 3.3V Step Down Buck DC DC Converter & Low Dropout Linear Regulators (3V3 No Pin): Power Converters FREE DELIVERY possible on eligible purchases LM2936 5.0 Ultra Low Quiescent Current 5V Regulator LM2936 5.0 Ultra Low Quiescent Current 5V Regulator National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. o p of boost converter if the regulator is shutdown If I pull the shutdown pin to ground the o p is approx 4.6V. Looking at the circuit there is an i p to o p path through the inductor and diode giving me 5V minus diode drop during shut down. Is it normal for boost converters? is there a simple way to make the o p to 0V if the regulator is in shutdown mode? bhavj Battery voltage to 5V regulation overcurrent shutdown ... Battery voltage to 5V regulation overcurrent shutdown protection: working ... I originally wanted to include a “electronic fuse” functionality, and thus shutting the supply down. ... voltage regulator to build is a system that switches in out different number of diodes in series based on control from ADC discrete digital logic (or a MCU). ... KA278RA05C: 2A Adjustable Fixed 5V Low Dropout Voltage ... It provides constant voltage power source with TO 220 4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current (2A). This regulator has various functions such as a peak current protection, a thermal shut down, an overvoltage protection. 5V SMPS Voltage Regulator for Electronic embedded: 5V SMPS ... 5V SMPS Voltage Regulator for Electronic embedded systems & PIC & AVR projects. ... I have been used this power supply with my electronic projects. This regulator has the capability of delivering 1 A continues current. The IC has very low power dissipation and no need of external heat sink for most applications. ... TTL shutdown capability, low ... 1A Low Drop Out Voltage Regulator with Shutdown 1A Low Drop Out Voltage Regulator with Shutdown (PRELIMINARY INFORMATION) FEATURES APPLICATIONS Output Accuracy 3.3V, @ 1A Output Battery Powered Systems Very Low Quiescent Current Cordless Telephones Low Dropout Voltage Radio Control Systems Extremely Tight Load And Line Regulation Portable Palm Top Notebook puters 5V Power Supply using LM7805 Steps2Make 5V Power Supply using LM7805. ... The internal current limiting and thermal shutdown features of these regulators essentially make them immune to overload in addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents, and also can be used as the power pass ... 400mA Low Dropout Voltage Regulator with Shutdown The regulator output voltage (of the 8 pin SO 8) may be pin strapped for a 3.3V and 5.0V or programmed from 1.24V to 20V with an external pair of resistors. Look for SPX2951 for 150mA and SPX2954 for 250mA applications. 400mA Low Dropout Voltage Regulator with Shutdown TO 220 3 (U) 123 V IN GN V OU SPX2945 13254 SPX2945 5 Pin TO 263 Er V IN GND ...

5v regulator with electronic shutdown Gallery


application circuits using lm317 from national semiconductor datasheet explained

application circuits using lm317 from national semiconductor datasheet explained

how to turn on 5v regulator digitally

how to turn on 5v regulator digitally

as1117 datasheet pdf

as1117 datasheet pdf

ltc1871-1

ltc1871-1

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