42424 Search Results

IGBT loss calculate

Contextual Info: n j] DN-57 b U N IT R O D E Design Note Power Dissipation Considerations for the UC3726N/UC3727N IGBT Driver Pair by Mickey McClure Application Engineer Motion Control Products Optimized or driving Insulated Gate Bipolar Transis­ tors (IGBTs , the UC3726N/UC3727N IGBT driver

UC3901 application diagrams

Abstract: UC2901 T270pF UC1901 scf 4242 UC3901
Contextual Info: y U N IT R O D E UC1901 UC2901 UC3901 Isolated Feedback Generator • Low-Cost Alternative to Optical Couplers • Internal 1% Reference and Error Amplifier • Internal Carrier Oscillator Usable to 5mHz • Modulator Synchronizable to an External Clock •

D945 TRANSISTOR

Abstract: d945
Contextual Info: UC1842A/3 A/4A/5 A UC2842A/3A/4A/5A UC3842A/3A/4A/5A U IM IT R O D E Current Mode PWM Controller DESCRIPTION Low Start Up Current <0.5mA Trimmed Oscillator Discharge Current Automatic Feed Forward Compensation Pulse-by-Pulse Current Limiting Enhanced Load Response Characteristics

Contextual Info: UCC3911 y UNITRODE PRELIMINARY Lithium-Ion Battery Protector FEATURES BLOCK DIAGRAM • Protects Sensitive Lithium-Ion Cells from Overcharging and Over-Discharging • Used for Two-Cell Lithium-Ion Battery Packs • No External FETs Required • Provides Protection Against

12v 1200mah battery NiMH

Abstract: 12v 1200mah nimh battery db opera 415 12v 1200mah nimh 12v 1200mah battery
Contextual Info: y UCC2956 UCC3956 mmm UNITRODE Switch Mode Lithium-Ion Battery Charger Controller FEATURES Precision 4.1V Reference 1% High Efficiency Battery Charger Solution Average Current Mode Control from Trickle to Over Charge Resistor Programmable Charge Currents

20E15

Contextual Info: UCCI 806 UCC2806 UCC3806 y UNITRODE Low Power, Dual Output, Current Mode PWM Controller FEATURES DESCRIPTION . BiCMOS Version of UC1846 Families • 1,4mA Maximum Operating Current • 100|o.A Maximum Startup Current • 1,0A Peak Output Current The UCC1806 family of BiCMOS PWM controllers offers exceptionally improved

Contextual Info: y UCC3958 -1/-2/-3/-4 UNITRODE PRELIMINARY Single Cell Lithium-Ion Battery Protection Circuit FEATURES • Protects Sensitive Lithium-Ion Cells Form Over Charging and Over Discharging • Dedicated for One Cell Applications • Does Not Require External FETs or Sense

ic 6283 circuit diagram

Abstract: amplifier ic 6283 amplifier circuit using 6283 d 6283 ic
Contextual Info: IN T E G R A T E D C IR C U I T S UC1853 UC2853 UC3853 U N IT R Q D E ADVANCED INFORMATION High Power Factor Preregulator Complete 8-pin Power Factor Solution Reduced External Components RMS Line Voltage Compensation Precision Multiplier/Squarer/Divider Internal 75kHz

DIL-16

Abstract: UC5613
Contextual Info: y v i UNITRODE UC5613 9-Line Low Capacitance SCSI Active Terminator FEATURES Complies with SCSI, SCSI-2 and SPI-2 Standards 3pF Channel Capacitance during Disconnect 100|iA Supply Current in Disconnect Mode Meets SCSI Hot Plugging Capability -400m A Sourcing Current for

Contextual Info: UC5661 y UNITRODE Ethernet Coaxial Impedance Monitor FEATURES DESCRIPTION • Compatible with IEEE 802.3 10Base5, 10Base2, and 10BaseT The UC5661 is a monolithic integrated circuit which functions as an Ether­ net Coaxial Impedance Monitor CIM . This IC is intended to augment the

Contextual Info: y UC1711 UC3711 UNITRODE Dual Ultra High-Speed FET Driver 15ns Propagation Delay 1.5A Source or Sink Output Drive Operation with 5V to 35V Supply High-Speed Schottky NPN Process 8-PIN MINIDIP Package ABSOLUTE MAXIMUM RATINGS note 1 Input Supply Voltage, V c c . 40V

ksy 11

Contextual Info: y UC1875/6/7/8 UC2875/6/7/8 UC3875/6/7/8 UNITRODE Phase Shift Resonant Controller FEATURES DESCRIPTION • Zero to 100% Duty Cycle Control • Programmable Output Turn-On Delay The UC1875 family of integrated circuits implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect

uc3825 design

Abstract: power supply design uc3825
Contextual Info: IN T E G R A T E D C IR C U IT S UC1825 UC2825 UC3825 U N IT R O D E High Speed PWM Controller DESCRIPTION Compatible with Voltage or Current Mode Topologies Practical Operation Switching Frequencies to 1MHz 50ns Propagation Delay to Output High Current Dual Totem Pole Outputs

center tapped transformer

Contextual Info: m b U NITRODE Design Note Inductorless Bias Supply Design for Synchronous Rectification and High Side Drive Applications by Bill Andreycak Developing a bias supply which is higher than a power supply’s input voltage is usually required in high side switch applications. Two such exam­

LM2577 sepic

Abstract: sepic converter 12v 30A
Contextual Info: [application • I INFO U N IT R O D E I UC2577-12/15 B T available Simple Step-Up Fixed Voltage Regulators FEATURES DESCRIPTION • Requires Few External Components • NPN Output Switches 3.0A, 65V max • Extended Input Vottage Range: 3.0V to 40V • Current Mode Operation for Improved

UC3902

Contextual Info: y U IM IT R O O E UC1902 UC2902 UC3902 Load Share Controller PRELIMINARY FEATURES DESCRIPTION • 2.7V to 20V Operation • 8-Pin Package • Requires Minimum Number of External Components The UC3902 load share controller is an 8-pin device that balances the current

Contextual Info: UC1610 UC2610 UC3610 UNITRODE Dual Schottky Diode Bridge FEATURES DESCRIPTION • Monolithic Eight-Diode Array This eight-diode array is designed for high-current, low duty-cycle applications typical of flyback voltage clamping for inductive loads. The dual bridge connection

Sink15

Contextual Info: y applicationlB K INFO1 UNITRODE Il available ] UC1849 UC2849 UC3849 Secondary Side Average Current Mode Controller FEATURES DESCRIPTION • Practical Secondary Side Control of Isolated Power Supplies The UC1849 family of average current mode controllers accurately accom­

Contextual Info: IN T E G R A T E D C IR C U IT S UC1823 UC2823 UC3823 U N IT R Q D E High Speed PWM Controller FEATURES Com patible w ith Voltage or Current-M ode Topologies Practical O peration @ Switching Frequencies to 1.0MHz 50ns Propagation Delay to Output High C urrent Totem Pole O utput 1,5A peak

transformer for lm2577

Abstract: LM2577 sepic
Contextual Info: IN T E G R A T E D C IR C U IT S UC2577-12/15 U N IT R Q D E u n PRELIMINARY FEATURES DESCRIPTION • Requires Few External Components • NPN Output Switches 3.0A, 65V max The UC2577 family of devices provides all the active functions nec­ essary to implement step-up (boost), flyback, and forward converter

Contextual Info: UCC5632 UNITRODE ADVANCE INFORMATION Multi-mode LVD/SE SCSI 9 Line Terminator w/ 2.85V Regulator FEATURES • Auto Selection Single Ended (SE) or Low Voltage Differential (LVD) Termination • Meets SCSI-1, SCSI-2, SCSI-3 SPI, Ultra Fast-20, Ultra-2 (SPI-2 LVD) and Ultra

Contextual Info: y UNITRODE UC5604 9-Line Low Capacitance SCSI Active Terminator FEATURES DESCRIPTION • The UC5604 provides 9 lines of active termination for a SCSI Small Com­ puter Systems Interface parallel bus. The SCSI standard recommends ac­ tive termination at both ends of the cable segment.

UC2577

Contextual Info: DN-49 UNITRODE Design Note UC2577 Controls SEPIC Converter for Automotive Applications by Jack Palczynski The Single Ended Primary Inductance Converter SEPIC can convert an input voltage to an output voltage that is higher, lower or equal to the in­ put. Conversion is performed without the use of ex­

Contextual Info: y UCC3996 U I M IT R O D E ADVANCE INFORMATION Dual Sequencing Hot Swap Power Manager FEATURES DESCRIPTION • Precise Linear Current Amplifier for high efficiency and low voltage drop The UCC3996 family of Hot Swap Power Managers provides hot swap control, fault handling and power supply sequencing of two positive sup­