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DUALOUTPUT-ISOFLYBACK-REF Texas Instruments Dual Output Isolated Flyback Design: 5V @ 0.2A, 12V @ 2.1A w/2 addl out 3.3V @ 0.5A, 5V @ 0.5A pdf Buy

" gnd plane under the transformer to reduce noise" flyback

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Abstract: flyback transformer to oper ate in forward mode. The low impedance presented by the transformer secondary , the SMPS that has flyback feedback (Vdd ) steered to it is disabled. In situations where the main , ): STEER » GND: 3.3V SMPS uses transformer STEER VL: 5V SMPS uses transformer 120UT 120UT (MAX1630/ MAX1630/ 32/33/35 , GND. Connect FB5 to a resistor divider for adjustable-output mode. Current-Sense Input for the 5V SMPS , to CSL5. Pin-Strap Input that selects the SMPS power-up sequence: SEQ = GND: 5V before 3.3V, RESET ... OCR Scan
datasheet

28 pages,
1496.76 Kb

i630 fly back transformer monitor 48V 3A SMPS circuit diagram MAX1630-MAX1635 1630/MAX 1632/MAX MAX1635 MAX1631/MAX1634 MAX1630/M 1631/MAX1632 TEXT
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Abstract: filter capacitor and causing the flyback transformer to oper ate in forward mode. The low impedance , under all load conditions. The MAX1630-MAX1635 MAX1630-MAX1635 include two PWM regulators, adjustable from 2.5V to 5.5V , u m R a tin g s " m a y ca u s e p e rm a n e n t d a m a g e to the d e v ic e . These a re s tre s , GND to VL. Goes high after a fixed 32,000 clock-cycle delay following power-up. Feedback Input for the , selects the 5V fixed output voltage setting when tied to GND. Connect FB5 to a resistor divider for ... OCR Scan
datasheet

28 pages,
1059.75 Kb

MAX1630-MAX1635 AX1630/M 1632/M AX1633/ MAX1635 MAX1631/MAX1634 MAX1630/MAX1631 /MAX1632 630/MAX1 TEXT
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Abstract: bandpass. Figure 20, contributed by Albert M. Wu of LTC, is a transformer coupled flyback circuit. The transformer secondary provides voltage step-up referred to the flyback driven primary. The 4.22M resistor , flyback pulse characteristic. This circuit allows the LT3468 LT3468 to regulate at lower voltages by truncating , Range. High Output Current. Small Transformer. LT3468 LT3468 - LT1006 LT1006 XFMR Flyback 22 3.8V to 12V , anticipated. In extreme cases, it may be necessary to rout the board under components operating at high ... Linear Technology
Original
datasheet

48 pages,
1459 Kb

12V to 300V dc dc converter step-up Tektronix Type 1A7A LT1533 APD bias 250v ultrasonic transducers tdk transistor VCE 1000V to220 HP355D IRLRO24 Royer converter Royer oscillator emi photomultiplier Self Oscillating Flyback Converters Royer resonant LT3401 LP5010-334MLB tektronix 454a self oscillating royer design pico 32195 TEXT
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Abstract: flyback interval. The noise on the current pulse, due to resonances in the transformer, has no , a basic flyback regulator using the LT1070 LT1070. It converts a 5V input to a 12V output. Figure 2 shows , , explaining why spark occurs when the points open.2 In this circuit the flyback is seen to clamp to a level , diode to the output. The 470uF capacitor integrates the repetitive flyback events to DC, providing the , to be transmitted to the regulator across a nonconducting path. The transformer complicates the ... Linear Technology
Original
datasheet

24 pages,
344.04 Kb

cascode mosfet switching IRF 830 equivalent mth7n50 Transistor Isolated Feedback Generator an mth5n100 MTH7N50 IRF 547 MOSFET d504cs led driver 12v 100w pin diagram of LT1070 equivalent IRF P CHANNEL MOSFET 200V 20A flyback transformer construction "motor speed regulator" negative voltage regulator, 48V an25fa peltier cooler wiring diagram mosfet 10a 500v 40khz regulator 48V Cambion peltier 801-2003-01 TEXT
datasheet frame
Abstract: for both signal ground and gate driver grounds. This GND must be connected to the PCB ground plane , 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the , MOSFET. This allows the leakage inductance voltage spike to be ignored for flyback voltage sensing. See , to the sense resistor to reduce noise problems. SENSE­ connects to the ground side. At maximum , flyback period and uses that voltage to control output voltage. The internal blocks are similar to many ... Linear Technology
Original
datasheet

32 pages,
372.29 Kb

FMMT618 cross reference LT3825 TEXT
datasheet frame
Abstract: for both signal ground and gate driver grounds. This GND must be connected to the PCB ground plane , 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the , MOSFET. This allows the leakage inductance voltage spike to be ignored for flyback voltage sensing. See , to the sense resistor to reduce noise problems. SENSE­ connects to the ground side. At maximum , flyback period and uses that voltage to control output voltage. The internal blocks are similar to many ... Linear Technology
Original
datasheet

32 pages,
343.89 Kb

Led driver 10W schematic 3825 application note LT3825 TEXT
datasheet frame
Abstract: under all load conditions. The MAX8741/MAX8742 MAX8741/MAX8742 include two PWM regulators, adjustable from 2.5V to , MAX8742 MAX8742 12V linear regulator occurs when the SMPS that has flyback feedback (VDD) steered to it is , input that also selects the 5V fixed outputvoltage setting when connected to GND. Connect FB5 to a , linear regulator to generate a 12V output from a coupled-inductor flyback winding. The MAX8741 MAX8741 has a , , coupledinductor flyback winding to be attached to either the 3.3V or the 5V main inductor. Bias generator blocks ... Maxim Integrated Products
Original
datasheet

34 pages,
397.24 Kb

12v wind powered battery charger 24V 3A SMPS circuit diagram 24V SMPS 48V 3A SMPS circuit diagram 5V SMPS charger circuit diagram computer smps circuit diagram Diode DH 583 EMI FILTER 15A FDS6982S MAX8742 IRF7901D1 MAX8741/MAX8742 MAX8741 MAX8741/MAX8742 MAX8741EAI MAX8741/MAX8742 MAX8741ETJ MAX8741/MAX8742 SMPS Transformer Symbol MAX8741/MAX8742 24v 5a smps MAX8741/MAX8742 ferrite transformer 12V battery charger MAX8741/MAX8742 WSL2512-R018-F MAX8741/MAX8742 193262 MAX8741/MAX8742 13.5v 200mA smps MAX8741/MAX8742 MAX8741/MAX8742 MAX8741/MAX8742 TEXT
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Abstract: transformer winding voltage during the flyback period and uses that voltage to control output voltage. The , transformer winding during flyback. This allows for tight output regulation without the use of an , those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any , connections to the sense resistor to reduce noise problems. SENSE­ connects to the ground side. At maximum , connection for both signal ground and gate driver grounds. This GND should be connected to the PCB ground ... Linear Technology
Original
datasheet

32 pages,
335.67 Kb

transformer 50KHz 100W flyback feedback FMMT618 cross reference IR 3825 Linear Technology Magazine LT3825 LT3825EFE LT3837 EDFD25-3F3 6TPE470MI TEXT
datasheet frame
Abstract: MAX8742 MAX8742 12V linear regulator occurs when the SMPS that has flyback feedback (VDD) steered to it is , dual-mode input that also selects the 5V fixed outputvoltage setting when connected to GND. Connect FB5 to a , to generate a 12V output from a coupled-inductor flyback winding. The MAX8741 MAX8741 has a secondary , inductor current "staircasing," a slope-compensation ramp is summed into the main PWM comparator to make , ON/OFF controls for each supply. With SEQ connected to V L or GND, RUN/ON3 becomes the master ON ... Maxim Integrated Products
Original
datasheet

33 pages,
994.99 Kb

MAX8741EAI FDS6982S ferrite transformer 12V battery charger MAX8741 48V 3A SMPS circuit diagram MAX8741ETJ MAX8742 MAX8742EAI of transistor 6V 1A smps schematic 5V SMPS charger circuit diagram CDRH124-100 WSL2512-R018-F MAX8741/MAX8742 13.5v 200mA smps MAX8741/MAX8742 MAX8741/MAX8742 MAX8741/MAX8742 TEXT
datasheet frame
Abstract: gate driver grounds. This GND should be connected to the PCB ground plane. Careful attention must be , . Under such conditions the amount of energy stored in the transformer is small. The flyback waveform , transformer winding during flyback. This allows for tight output regulation without the use of an , primary-side MOSFET. This allows the leakage inductance voltage spike to be ignored for flyback voltage , enabled during the flyback period. This pin also sinks additional current to compensate for load current ... Linear Technology
Original
datasheet

32 pages,
269.56 Kb

power transformer tank calculation 340 opto isolator 3825E flyback feedback LT3825 LT3825EFE LT3837 PA1477NL IR 3825 multiple winding Transformer TEXT
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Archived Files

Abstract Saved from Date Saved File Size Type Download
CONDUCTION ACHIEVED REACHES PUSHBUTTON HELD CHARGES UNDER TAKING THROUGH THE DETERMINED ZENERING NTC DIFFERENTLY LARGER UNDER FURTHER THE THROUGH SPECIFICATION COMPENSATES RELIES ANY 0.005V REPOSITIONING DEVELOPED CORRECTION ACHIEVED ENCOUNTERED CHARGES UNDER CONDITIONER TRADITIONALLY DETERMINED THROUGH THE CORRECTION IRRELEVANT LARGER UNDER FURTHER GBW DETERMINED THROUGH RLC OSCILLATION THE RELIES MECHANICAL PARTICULAR STIMULATE THIS THEIR OFTEN DOCUMENTING CONSTRICTIVE UNDER GENERAL TRUE THE ONLY DEVICES WORK
/datasheets/files/linear/lview3/parts-v1.edb
Linear 08/10/1998 5000.33 Kb EDB parts-v1.edb
CONDUCTION ACHIEVED REACHES PUSHBUTTON HELD CHARGES UNDER TAKING THROUGH THE DETERMINED ZENERING NTC DIFFERENTLY LARGER UNDER FURTHER THE THROUGH SPECIFICATION COMPENSATES RELIES ANY 0.005V REPOSITIONING DEVELOPED CORRECTION ACHIEVED ENCOUNTERED CHARGES UNDER CONDITIONER TRADITIONALLY DETERMINED THROUGH THE CORRECTION IRRELEVANT LARGER UNDER FURTHER GBW DETERMINED THROUGH RLC OSCILLATION THE RELIES MECHANICAL PARTICULAR STIMULATE THIS THEIR OFTEN DOCUMENTING CONSTRICTIVE UNDER GENERAL TRUE THE ONLY DEVICES WORK
/datasheets/files/linear/lview3/parts.ebd
Linear 08/10/1998 5000.33 Kb EBD parts.ebd
CONDUCTION ACHIEVED REACHES PUSHBUTTON HELD CHARGES UNDER TAKING THROUGH THE DETERMINED ZENERING NTC DIFFERENTLY LARGER UNDER FURTHER THE THROUGH SPECIFICATION COMPENSATES AD544 AD544 RELIES ANY 0.005V REPOSITIONING ACHIEVED ENCOUNTERED CHARGES UNDER CONDITIONER TRADITIONALLY DETERMINED THROUGH THE REPEAT OSCILLATION CORRECTION IRRELEVANT LARGER UNDER FURTHER GBW DETERMINED THROUGH RLC THE OSCILLATION RELIES MECHANICAL THEIR OFTEN DOCUMENTING CONSTRICTIVE UNDER GENERAL TRUE THE ONLY DEVICES WORK UTILIZE AGAINST ANY
/datasheets/files/linear/lview4/parts.edb
Linear 15/02/2000 7168.02 Kb EDB parts.edb
system operate at high frequency under nominal load condit ion and to reduce the frequency when the loaded flyback waste energy proportionally to the switching frequency, h ence this should be reduced as = GND / OPEN (4) is related to the duration of the falling-edge of the sawtooth. In case V15 is R s = 0.367 - V o R s (7), corresponding to the standby input power which, under the assumption of practice, the above equations apply to the large majority of common flyback designs. Once the system is in
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/5845-v1.htm
STMicroelectronics 02/04/1999 61.3 Kb HTM 5845-v1.htm
system operate at high frequency under nominal load condit ion and to reduce the frequency when the loaded flyback waste energy proportionally to the switching frequency, h ence this should be reduced as = GND / OPEN (4) is related to the duration of the falling-edge of the sawtooth. In case V15 is R s = 0.367 - V o R s (7), corresponding to the standby input power which, under the assumption of practice, the above equations apply to the large majority of common flyback designs. Once the system is in
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/5845-v2.htm
STMicroelectronics 14/06/1999 61.26 Kb HTM 5845-v2.htm
significant points to consider in order to achieve the goal of a very efficient li ghtly loaded flyback. + many of the po wer loss sources in a lightly loaded flyback waste energy proportionally to the troublesome. It is then desirable to make the system operate at high frequency under nominal load condit ion and to reduce the frequency when the system works in a low-consumption mode. This requires a specia to the standby input power which, under the assumption of DCM (Discontinuous Conduc - tion Mode
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/5845-v3.htm
STMicroelectronics 25/05/2000 63.13 Kb HTM 5845-v3.htm
order to achieve the goal of a very efficient li ghtly loaded flyback. + - TIMING 2 3 + - 14 T Vref CLK the po wer loss sources in a lightly loaded flyback waste energy proportionally to the switching troublesome. It is then desirable to make the system operate at high frequency under nominal load condit ion and to reduce the frequency when the system works in a low-consumption mode. This requires a specia l GND / OPEN (4) is related to the duration of the falling-edge of the sawtooth. In case V15 is
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/5845.htm
STMicroelectronics 20/10/2000 66.72 Kb HTM 5845.htm
CONDUCTION ACHIEVED REACHES PUSHBUTTON HELD CHARGES UNDER TAKING THROUGH THE DETERMINED ZENERING NTC DIFFERENTLY LARGER UNDER FURTHER THE THROUGH SPECIFICATION COMPENSATES RELIES ANY 0.005V REPOSITIONING DEVELOPED CORRECTION ACHIEVED ENCOUNTERED CHARGES UNDER CONDITIONER TRADITIONALLY DETERMINED THROUGH THE CORRECTION IRRELEVANT LARGER UNDER FURTHER GBW DETERMINED THROUGH RLC OSCILLATION THE RELIES MECHANICAL PARTICULAR STIMULATE THIS THEIR OFTEN DOCUMENTING CONSTRICTIVE UNDER GENERAL TRUE THE ONLY DEVICES WORK
/datasheets/files/linear/lview3/parts.edb
Linear 21/01/1999 5379.43 Kb EDB parts.edb