UNITRODE POWER SUPPLY DESIGN Search Results

Unitrode DN

Contextual Info: DN-62 UNITRODE Design Note Switching Power Supply Topology Voltage Mode vs. Current Mode by: Robert Mammano Unitrode 1C Corporation has, since its inception, been active in the deveiopment of leading-edge control circuits to implement state-of-the-art pro­

uc3846 push pull

Abstract: UC3842 pin-for-pin mosfet driver example uc3846 uc3856 uc3842 unitrode 100 watt UC3856 Push Pull Current Mode UC3846 pin-for-pin mosfet driver UCC38C uc3846
Contextual Info: UNITRODE CORPORATION APPLICATION NOTE U-144 UCC3806 BiCMOS CURRENT MODE CONTROL IC By Jack Palczynski Application Engineer Power Supply Products Abstract Space and cost constraints have forced power supply designs into smaller spaces and demanded more ef­

Contextual Info: UCC2930-3/-5 UCC3930-3/-5 UNITRODE PRELIMINARY Cellular Telephone Power Converter FEATURES BiCMOS Low Power RF/Cellular Power Management Negative Supply Voltage at 5mA for GaAs MESFET Amplifiers Separate Micro-Power Logic Supply Enable Low Quiescent, 3mA, Operating

110VAC to 12VDC transformer

Contextual Info: APPLICATION NOTE U-149A UNITRODE CORPORATION APPLICATION NOTE U-149A ELEGANTLY SIMPLE OFF-LINE BIAS SUPPLY FOR VERY LOW POWER APPLICATIONS by Bill Andreycak Supervisor Application Engineering INTRODUCTION Generating a low power, low voltage bias supply in

50 Watt MOSFET amplifier

Contextual Info: 1 1 |application INFO available | UNITRODE UCC1888 UCC2888 UCC3888 Off-line Power Supply Controller FEATURES DESCRIPTION • Transformerless Off-line Power Supply • Wide 10OVDC to 400VDC Allowable Input Range • Fixed 5VDC or Adjustable Low Voltage Output

DN62

Abstract: DN-62 UCC3570 UNITRODE ic signal path designer
Contextual Info: DN-62 Design Note Switching Power Supply Topology Voltage Mode vs. Current Mode by: Robert Mammano Unitrode IC Corporation has, since its inception, been active in the development of leading-edge control circuits to implement state-of-the-art progressions in power supply technology. Over the

flyback uc3843 application

Abstract: uc3843 inverter circuit IC uc3843 uc3843 discontinuous Unitrode DN flyback uc3843 UC3843 flyback application note unitrode uc3843 unitrode Applications Note uc3843 uc3843 12v to 5v
Contextual Info: DN-43 UNITRODE Design Note Simple Techniques to Generate a Negative Voltage Bias Supply from a Positive input Voltage by Bill Andreycak Developing a low power negative supply voltage from a positive input supply can be accomplished using som e very common PW M control ICs. Typical

DN-62

Abstract: UCC3570 DESIGN CONSIDERATIONS FOR A TWO CURRENT MODE High-Performance Current-Mode PWM Controller Application Note SIGNAL PATH DESIGNER Switching Power Supply Topology Voltage Mode vs. Current Mode amplifier advantages and disadvantages
Contextual Info: DN-62 Design Note Switching Power Supply Topology Voltage Mode vs. Current Mode by: Robert Mammano Unitrode IC Corporation has, since its inception, been active in the development of leading-edge control circuits to implement state-of-the-art progressions in power supply technology. Over the

220VAC to 12VDC transformer ic

Abstract: transformerless 220 dc to 9 dc converter circuit 1N4937S UCC1889 UCC3889 220VAC to 12VDC transformerless power supply
Contextual Info: UNITRODE CORPORATION APPLICATION NOTE U-149A ELEGANTLY SIMPLE OFF-LINE BIAS SUPPLY FOR VERY LOW POWER APPLICATIONS by Bill Andreycak Supervisor Application Engineering INTRODUCTION Generating a low power, low voltage bias supply in an off-line application may not seem like a major

3887 charging IC

Abstract: 220VAC to 12VDC transformer ic E3496A 220VAC DC transformerless power supply 110VAC to 12VDC transformer 3887 CHARGING high efficiency current mode flyback converter UCC1889 UCC3889 capacitor charging flyback
Contextual Info: UNITRODE CORPORATION APPLICATION NOTE U-149A ELEGANTLY SIMPLE OFF-LINE BIAS SUPPLY FOR VERY LOW POWER APPLICATIONS by Bill Andreycak Supervisor Application Engineering INTRODUCTION Generating a low power, low voltage bias supply in an off-line application may not seem like a major

Contextual Info: UCC1889 UCC2889 UCC3889 y UNITRODE Off-line Power Supply Controller FEATURES DESCRIPTION Transformerless Off-line Applications The UCC1889 controller is optimized for use as an off-line, low power, low voltage, regulated bias supply. The unique circuit topology utilized in this device can be

U149

Contextual Info: UCC1888 UCC2888 UCC3888 y UNITRODE Off-line Power Supply Controller FEATURES DESCRIPTION • Transformerless Off-line Power Supply • Wide 10OVDC to 400VDC Allowable Input Range • Fixed 5VDC or Adjustable Low Voltage Output The UCC3888 controller is optimized for use as an off-line, low power, low voltage,

Unitrode uc3875

Abstract: U-136A UC3875 ZVS design resonant full bridge schematic slope in uc3875 U136A phase shifted zero voltage UC 3875
Contextual Info: U-136A UNITRODE APPLICATION NOTE PHASE SHIFTED, ZERO VOLTAGE TRANSITION DESIGN CONSIDERATIONS and the UC3875 PWM CONTROLLER BILL ANDREYCAK ABSTRACT This Application Note will highlight the design considerations incurred in a high frequency power supply us­

SCR 100A

Abstract: 4 pin SCR gate drive circuit scr 20a SCR Gate Drive low voltage scr SCR gate protection circuit pin diagram of SCR UC2908 scr drive circuit diagram SCR POWER SECTION
Contextual Info: y UC1908 UC2908 UC3908 UNITRODE DESCRIPTION • Shunt Regulator Keeps Power Supply Overvoltage to a Predetermined Level • Programmable Input From 3.3V to 9V The UC3908 is a programmable voltage clamp designed to protect a power supply load in the event of an overvoltage. The UC3908 is a shunt regulator which, under

uc3842 unitrode 100 watt

Abstract: example uc3846 uc3856 UC3846 application note UC3846 application UC3842 pin-for-pin mosfet driver UC3846 UC3842 application 24V UC3846, UC3856 and UCC3806 Push Pull Current Mode UCC3806 application note UNITRODE TRANSISTOR CROSS
Contextual Info: APPLICATION NOTE U-144 UNITRODE CORPORATION APPLICATION NOTE U-144 UCC3806 BiCMOS CURRENT MODE CONTROL IC By Jack Palczynski Application Engineer Power Supply Products Abstract Space and cost constraints have forced power supply designs into smaller spaces and demanded more efficient designs with higher switching frequencies. With the introduction of the UCC3806 BiCMOS current

Diode IN4006

Abstract: IN757 IN4006 IN4006 diode 120v AC to 12V dc transformer AN-D25 ZENER IN4006 240V A.C. to 9V D.C. converter uc3845n LND150N3
Contextual Info: AN-D25 Application Note Efficient Switchmode Power Supply Start-Up Circuit by Jimes Lei, Applications Engineering Manager Introduction The circuit in Figure 1 shows the Supertex LND150N3 being used to provide the low voltage power supply to be connected to the VCC pin of the Unitrode UC3845N PWM IC. This

Contextual Info: y IN TE G R A TE D CIR C U ITS UC3176 UC3177 UNITRODE Full Bridge Power Amplifier DESCRIPTION FEATURES Dual Power Operational Amplifiers ±2A Output Current Guaranteed Precision Current Sense Amplifier Two Supply Monitoring Inputs Parking Function and Under-Voltage

transistor C3802

Abstract: C3802 uc 3842
Contextual Info: o UCC1802/3/4/5 UCC2802/3/4/5 UCC3802/3/4/5 INTEGRATED CIRCUITS UNITRODE Low-Power BiCMOS Current-Mode PWM FEATURES PRELIMINARY DESCRIPTION 1OOmA Typical Starting Supply Current 500 mA Typical Operating Supply Current Operation to 1MHz The UCC1802/3/4/5 family of high-speed, low-power integrated circuits

Contextual Info: UNITRODE Secondary Side Average Current Mode Controller UCC1839 UCC2839 UCC3839 PRELIMINARY FEATURES DESCRIPTION • Practical Secondary Side Control of Isolated Power Supplies • Provides a Self Regulating Bias Supply From a High Input Voltage Using an External

8 pin ic 3773

Abstract: thyristor scr
Contextual Info: U-158 UNITRODE CORPORATION THE UC3910 COMBINES PROGRAMMABILITY, ACCURACY AND INTEGRATED FUNCTIONS TO CONTROL AND MONITOR HIGH END PROCESSOR POWiR SUPPLIES by Larry Spaziarli ABSTRACT /4s high performance processors continue to develop, their respective power supply requirements become

UC39432

Abstract: 603 transistor npn D44H11 NPN transistor Electronic ballast
Contextual Info: h- UNITRODE Design Note Adjustable Electronic Load for Low Voltage DC Applications ‘Operates down to 2.5V by Bill Andreycak and John Wiggenhorn Testing power supply regulation over a specified output current range is greatly simplified with the use of an adjustable electronic load. Load current

Contextual Info: y UNITRODE UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 Low-Power BiCMOS Current-Mode PWM FEATURES DESCRIPTION • 100nA Typical Starting Supply Current • 500nA Typical Operating Supply Current • Operation to 1MHz The UCC1800/1/2/3/4/5 family of high-speed, low-power integrated

Contextual Info: y UNITRODE INTEGRATED CIRCUITS L292 Switchmode Driver for DC Motors FEATURES • Driving capability: 2A, 36V, 30KHz • Two logic chip enable inputs • External loop gain adjustment • Single power supply 18 to 36V • Input signal symmetric to ground

ucc3800

Contextual Info: y INTEGRATED CIRCUITS UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UNITRODE Low-Power BiCMOS Current-Mode PWM DESCRIPTION FEATURES 100|iA Typical Starting Supply Current 500nA Typical Operating Supply Current Operation to 1MHz The UCC1800/1/2/3/4/5 family of high-speed, low-power Integrated