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step down transformer 200mA

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Abstract: , isolated power supply, current-mode, PWM, synchronous rectifier, switch mode, fixed frequency, step down , scheme is used to guarantee gate drive voltage on the freewheeling MOSFET when the transformer winding , changing from 40V to 60V. The forward path synchronous MOSFET Q1 is turned on when the transformer voltage , freewheeling MOSFET Q4 is turned on when switch Q3 is turned off and the transformer voltage reverses. Once the transformer voltage goes to zero, MOSFET Q2 is kept on because there is no discharge path on the ... Maxim Integrated Products
Original
datasheet

9 pages,
154.95 Kb

MAX5052A FDD120AN15A0 ma111ct capacitor 680pf cog x7r moc3023 NDS351AN Q1 Q2 Q3 Q4 DPAK ceramic capacitor 680pf APP2043 GA243DR7E2472MW01L step down transformer 200mA TTI8619 7044A optocoupler triac TEXT
datasheet frame
Abstract: application, the Sumida 10396-T023 10396-T023 transformer will be used. Step 4: Choose the correct output diode. The , Mode Operation No Transformer Third Winding or Opto-Isolator Required for Regulation Improved , . Two external resistors and the transformer turns ratio easily set the output voltage. Off-the-shelf , mA Switch VCESAT ISW = 200mA RREF Voltage 0.5 RREF Voltage Line Regulation 6V < VIN , . Pull the pin to 0V to shut down the LT3512 LT3512. This pin has an accurate 1.21V threshold and can be used ... Linear Technology
Original
datasheet

24 pages,
238.49 Kb

HMK316B7105KL-T SBR140S3 HV Flyback TRANSFORMERS 750311692 BD 3512 48V to 12V buck boost transformer diode T 3512 LT3958 step down transformer 200mA 120v UMK316AB7475KL-T 24V DC to 5V 1A DC flyback converter 750311573 LT3748 LT3512 10396 Sumida LT3512 t023 LT3512 diode T 3512 H LT3512 DIODE 6 AMP 150V LT3512 T 3512 H diode LT3512 LT3512 LT3512 TEXT
datasheet frame
Abstract: INFORMATION Step 1: Select the transformer turns ratio. NPS < VSW(MAX) – VIN(MAX) – VLEAKAGE VOUT + , INFORMATION Example: Step 15: Ensure minimum load. VOUT measured at 200mA and 48VIN 48VIN Check minimum , Boundary Mode Operation No Transformer Third Winding or Opto-Isolator Required for Regulation Improved , . Two external resistors and the transformer turns ratio easily set the output voltage. Off-the-shelf , Limit 80 120 150 mA Switch VCESAT ISW = 200mA 0.5 RREF Voltage RREF Voltage ... Linear Technology
Original
datasheet

26 pages,
302.44 Kb

LT3512 TEXT
datasheet frame
Abstract: IOUT = 200mA 3512fb 15 LT3512 LT3512 Applications Information Step 1: Select the transformer turns , transformer chosen is as follows NPRIMARY: NSECONDARY: NTHIRD = 2:1:0.33. Step 2: Calculate maximum power , power. Two external resistors and the transformer turns ratio easily set the output voltage , Operation No Transformer Third Winding or Opto-Isolator Required for Regulation n Improved Primary-Side , nA V/V mhos 3512fb ISW = 200mA 1.18 1.17 1.20 0.01 RREF Voltage Line Regulation RREF Pin ... Linear Technology
Original
datasheet

26 pages,
295.23 Kb

Nippon capacitors 48V to 12V buck boost transformer 4.5V TO 100V INPUT REGULATOR 10396 Sumida 750311692 LT3512 TEXT
datasheet frame
Abstract: IOUT = 200mA 3512fa 15 LT3512 LT3512 APPLICATIONS INFORMATION Step 1: Select the transformer turns , isolated output power. Two external resistors and the transformer turns ratio easily set the output voltage , Operation No Transformer Third Winding or Opto-Isolator Required for Regulation Improved Primary-Side , 800 150 1.215 1.23 0.03 400 mA mA V V V %/V nA V/V mhos 3512fa ISW = 200mA 1.18 1.17 1.20 , the LT3512 LT3512. Pull the pin to 0V to shut down the LT3512 LT3512. This pin has an accurate 1.21V threshold and ... Linear Technology
Original
datasheet

26 pages,
253.14 Kb

TMK316A Nippon capacitors MMS2527 10396-T025 4.5V TO 100V INPUT REGULATOR 01355-T061 10396 Sumida TMK316AB7106K 10396-T023 diode T 3512 H T 3512 H diode LT3512 TEXT
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Abstract: step down regulator Linear Technology Magazine · September 2006 0 1k COUT 4.7uF , DESIGN IDEASL Monolithic Buck Regulator Operates by Gregg Castellucci Down to 1.6V Input , characteristics often eliminate the need for an input transformer and/or AC-coupling capacitors. This allows , /DIV AC COUPLED ILOAD 200mA/DIV ILOAD 200mA/DIV IL 200mA/DIV IL 200mA/DIV 1.6V, 1uA , step, pulse skip mode. When the junction temperature reaches approximately 160°C, the thermal ... Linear Technology
Original
datasheet

2 pages,
138.46 Kb

VLF3012AT-3R3MR87 LTC3409 LT6402 LTC3549 step down transformer 200mA TEXT
datasheet frame
Abstract: discharges, the regulator must first step down, and then step up. This requirement precludes use of the simpler, one-function regulator topologies that can only step down, step up, or invert. One effective , capacitively coupled to the switching circuitry (Figure 1). The absence of a transformer is one of several , VOUT approaches VIN. Its power-conversion efficiency peaks at 86%, near 200mA (Figure 1). Figure 2. Typical dc-dc boost converters provide a current path from input to output, even when powered down. To ... Maxim Integrated Products
Original
datasheet

18 pages,
144.92 Kb

nicd charge controller MAX713 MAX712 APP671 AN671 AC adapter 5V TEXT
datasheet frame
Abstract: difference between the topologies are, the Half Bridge topology employs a transformer to provide input / output ground isolation and a step down or step up function. The LM5035 LM5035 evaluation board is designed , capability in applications up to 500 Watts. The operation of the transformer causes the flux to swing in , transformer secondary has 2 turns, leading to a 4:1 step-down of the input voltage. For an output voltage of , secondary rectifiers until the main transformer energizes the gate drivers. The DLY resistor programs the ... National Semiconductor
Original
datasheet

13 pages,
761.91 Kb

1435 P8208 LM5035 FCX690B 6TPE220MI AN-1435 BAT54BRW 1435 optocoupler C1608C0G1H222J CRCW06032R80F 1H682J 1E103J C2012X7R1H334 ser2010-122mx TEXT
datasheet frame
Abstract: recommended to cool down the power transformer and output inductor. Figure 2 shows the output voltage , into the Transformer o Fully Assembled and Tested Board with Minimum PC Board Footprint o 0.3 , ) C7, C13, C14 C12 3 C16 1 4.7nF, 1500V ceramic capacitor D3 1 200mA, 100V , 1 200mA, 200V, diode Panasonic MA115CT MA115CT Q1 1 200V MOSFET, Rds = 0.18 International , Transformer Coiltronics CTX03-14856 CTX03-14856 NPN transistor, FMMT3904 FMMT3904 D4 D5 ... Maxim Integrated Products
Original
datasheet

6 pages,
605.32 Kb

FMMT3904 IRF640N isolated feedback flyback converter zener diode 50w MAX5003 MAX5003EVKIT50W SBL2040CT UPW0J561MPH 50w transformer design led power supply 50w step down transformer 200mA ma111ct 15V zener MAX5003-50W step down transformer footprint MAX5003-50W power supply 50w 48v MAX5003-50W CTX03 MAX5003-50W Coiltronics CTX03 MAX5003-50W mosfet 1500v MAX5003-50W ctx03-14856 MAX5003-50W MOSFET 1500V 10A MAX5003-50W MAX5003-50W MAX5003-50W TEXT
datasheet frame
Abstract: Switching Frequency o Fully Isolated Design with 1500V Isolation Built into the Transformer o Fully , resistor (1206) D3 1 200mA, 100V diode Panasonic MA111CT MA111CT R13 R14 1 10k ±5% resistor (0805) D4 1 20A, 40V low forward voltage Schottky diode General Semi SBL2040CT SBL2040CT 1 200mA , ±5% resistor (0805) L1 1 4.7uH inductor Coiltronics HC2-4R7 T1 1 Transformer (12 , designed to shut down when the input supply voltage is under 32V. Power Supply Typical Specifications ... Maxim Integrated Products
Original
datasheet

6 pages,
605.28 Kb

zener c15 5t FMMT3904 IRF640N MA111CT MAX5003 MAX5003EVKIT50W SBL2040CT UPW0J561MPH VARIABLE RESISTOR FOOTPRINTS c10 5t CTX03-14856 mosfet 1500v MOSFET 1500V 10A MAX5003-50W MAX5003-50W MAX5003 TEXT
datasheet frame

Archived Files

Abstract Saved from Date Saved File Size Type Download
, Low Voltage, Step Down Regulator with Synchronous Rectification and Internal Switches QV   MAX1623EVKIT MAX1623EVKIT Evaluation Kit for the MAX1623 MAX1623 QV   MAX1624/MAX1625 MAX1624/MAX1625 High Speed Step Down Controllers /3.3V or Adjustable, 100% Duty Cycle, High Efficiency, Step Down DC DC Controllers QV   the MAX1636 MAX1636 QV   MAX1637 MAX1637 Miniature, Low Voltage, Precision Step Down Controller QV   MAX1637EVKIT MAX1637EVKIT Evaluation Kit for the MAX1637 MAX1637 QV   MAX1638 MAX1638 High Speed Step Down
/datasheets/files/maxim/0001/pl_li026.htm
Maxim 04/04/2001 89.11 Kb HTM pl_li026.htm
must first step down, and then step up. This requirement precludes use of the simpler, one-function regulator topologies that can only step down, step up, or invert. One effective solution to this problem the switching circuitry (Figure 1) . The absence of a transformer is one of several advantages this approaches V IN . Its power-conversion efficiency peaks at 86%, near 200mA (Figure 1). Figure 2. Typical dc-dc boost converters provide a current path from input to output, even when powered down. To
/datasheets/files/maxim/0008/view_005.htm
Maxim 04/04/2001 31.64 Kb HTM view_005.htm
, Step Down Regulator with Synchronous Rectification and Internal Switches QV   MAX1623EVKIT MAX1623EVKIT Evaluation Kit for the MAX1623 MAX1623 QV   MAX1624/MAX1625 MAX1624/MAX1625 High Speed Step Down Controllers with Adjustable, 100% Duty Cycle, High Efficiency, Step Down DC DC Controllers QV   MAX1626EVKIT MAX1626EVKIT QV   MAX1637 MAX1637 Miniature, Low Voltage, Precision Step Down Controller QV   MAX1637EVKIT MAX1637EVKIT Evaluation Kit for the MAX1637 MAX1637 QV   MAX1638 MAX1638 High Speed Step Down Controller with Synchronous
/datasheets/files/maxim/0002/pl_li006.htm
Maxim 04/04/2001 88.09 Kb HTM pl_li006.htm
, Low Voltage, Step Down Regulator with Synchronous Rectification and Internal Switches QV   MAX1623EVKIT MAX1623EVKIT Evaluation Kit for the MAX1623 MAX1623 QV   MAX1624/MAX1625 MAX1624/MAX1625 High Speed Step Down Controllers /3.3V or Adjustable, 100% Duty Cycle, High Efficiency, Step Down DC DC Controllers QV   the MAX1636 MAX1636 QV   MAX1637 MAX1637 Miniature, Low Voltage, Precision Step Down Controller QV   MAX1637EVKIT MAX1637EVKIT Evaluation Kit for the MAX1637 MAX1637 QV   MAX1638 MAX1638 High Speed Step Down
/datasheets/files/maxim/0001/pl_li009.htm
Maxim 04/04/2001 89.09 Kb HTM pl_li009.htm
220VAC 220VAC OCCURS RESPONSE 100MS 100MS FALLS DOWN TRANSISTOR DATA OFF STABILITIES LATCHES HOLD NONVOLATILE UNFORTUNATELY QUICKLY DISSIPATE MEASURING PRECEDES COMPUTER INPUT PULLS SWITCH TRANSFORMER POWERED ALERT CAUSED DISPLAY LESS QUESTION DELAYED DOWN TRANSISTOR DATA OFF ACTUALLY INVERTED CAUSES OBTAINED HOLD GOOD SOURCE SWITCH SUCH 200NS 200NS FLOATING POWERED OCCURRED STABLE SEEING STEP REASONABLE INHERENT FOLLOWERS REEVALUATION OCCURS RECTIFIED RESPONSE 20MA PERFORMANCE ADAPTED WERE CAUSED LESS DOWN THEORETICALLY IMPEDANCES
/datasheets/files/linear/lview3/parts-v1.edb
Linear 08/10/1998 5000.33 Kb EDB parts-v1.edb
200mA 3.0, 3.3, 5.0 200mA Adj MIC5201 MIC5201 200mA
/datasheets/files/micrel/_xtra/conv/micrel_2000_q4_short_form.shtml
Micrel 26/06/2002 413.37 Kb SHTML micrel_2000_q4_short_form.shtml
220VAC 220VAC OCCURS RESPONSE 100MS 100MS FALLS DOWN TRANSISTOR DATA OFF STABILITIES LATCHES HOLD NONVOLATILE UNFORTUNATELY QUICKLY DISSIPATE MEASURING PRECEDES COMPUTER INPUT PULLS SWITCH TRANSFORMER POWERED ALERT CAUSED DISPLAY LESS QUESTION DELAYED DOWN TRANSISTOR DATA OFF ACTUALLY INVERTED CAUSES OBTAINED HOLD GOOD SOURCE SWITCH SUCH 200NS 200NS FLOATING POWERED OCCURRED STABLE SEEING STEP REASONABLE INHERENT FOLLOWERS REEVALUATION OCCURS RECTIFIED RESPONSE 20MA PERFORMANCE ADAPTED WERE CAUSED LESS DOWN THEORETICALLY IMPEDANCES
/datasheets/files/linear/lview3/parts.ebd
Linear 08/10/1998 5000.33 Kb EBD parts.ebd
220VAC 220VAC OCCURS RESPONSE 100MS 100MS FALLS DOWN TRANSISTOR DATA OFF STABILITIES LATCHES HOLD NONVOLATILE UNFORTUNATELY QUICKLY DISSIPATE MEASURING PRECEDES COMPUTER INPUT PULLS SWITCH TRANSFORMER POWERED ALERT CAUSED DISPLAY LESS QUESTION DELAYED DOWN TRANSISTOR DATA OFF ACTUALLY INVERTED CAUSES OBTAINED HOLD GOOD SOURCE SWITCH SUCH 200NS 200NS FLOATING POWERED OCCURRED STABLE SEEING STEP REASONABLE INHERENT FOLLOWERS ADAPTED WERE CAUSED LESS DOWN THEORETICALLY IMPEDANCES LOSSES CHANGES TRANSISTOR DATA BUDGET OFF ORDER
/datasheets/files/linear/lview4/parts.edb
Linear 15/02/2000 7168.02 Kb EDB parts.edb
"main" converter) is a step- down in buck topology. The second one (the "auxiliary" converter) can be a simple boost con- verter or use a topology with transformer. The IC operates starting from 4.5V up to 22V 2.1.1 Buck Topology Review. Buck topology is the most widely used in step- down converters. As shown in evaluation results are pre- sented. Figure 24: Step Down Converter V in = 4.5 to 22V; V out = 3.3V; I out = /24 Application 2: Circuit & part list: see fig. 27 Figure 27: Step Down Converter V in = 6 to 22V; V
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1721.htm
STMicroelectronics 02/04/1999 42.91 Kb HTM 1721.htm
MAX1620EVKIT MAX1620EVKIT Evaluation Kit for the MAX1620/MAX1621 MAX1620/MAX1621 QV   MAX1623 MAX1623 3A, Low Voltage, Step Down for the MAX1623 MAX1623 QV   MAX1624/MAX1625 MAX1624/MAX1625 High Speed Step Down Controllers with Synchronous Cycle, High Efficiency, Step Down DC DC Controllers QV   MAX1626EVKIT MAX1626EVKIT Evaluation Kit for QV   MAX1637 MAX1637 Miniature, Low Voltage, Precision Step Down Controller QV   MAX1637EVKIT MAX1637EVKIT Evaluation Kit for the MAX1637 MAX1637 QV   MAX1638 MAX1638 High Speed Step Down Controller with Synchronous
/datasheets/files/maxim/0001/pl_list_.htm
Maxim 04/04/2001 336.91 Kb HTM pl_list_.htm