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DC1205A Linear Technology BOARD EVAL LED DRIVER LT3592
DC1160A Linear Technology BOARD EVAL LED DRIVER LT3518
DC1319B-A Linear Technology BOARD EVAL LED DRIVER LT3756
DC1319A-B Linear Technology BOARD EVAL LED DRIVER LT3756-1
LTC3205XEUF#TRPBF Linear Technology LTC3205 - Multidisplay LED Controller; Package: QFN; Pins: 24; Temperature Range: -40°C to 85°C
LTC3205XEUF#TR Linear Technology LTC3205 - Multidisplay LED Controller; Package: QFN; Pins: 24; Temperature Range: -40°C to 85°C

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R2d DIODE

Abstract: optocoupler MTBF R2C Zener r2d transistor CAPACITOR mtbf R16A TRANSISTOR kps10 transistor MTBF diode r2c optocoupler MTBF calculation
Text: expected to be higher than the calculated figures. LAMBDA KPS10Series MTBF CALCULATIONS KPS10 , Emitting Diode 9.2 Resistor film or glaze 9.2 9.8 9.9 10.11 10.14 10.14 10.14 10.14 10.14 11.1 11.1 16.1 22.1 17.1 17.1 Resistor film or glaze Resistor Thermistor Resistor Variable , D5 D11,D12 BR1 ZD1,ZD2,ZD3 IC3 Q1 IC2 LED R1,R5,R11,R12,R13,R14, 10 R15,R16A,R16B,R17 4 , Rate (FR)*10^6 Hours LAMBDA KPS10Series MTBF CALCULATIONS KPS10-5 CAT 6.1 6.1 6.1 6.1


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PDF KPS10 MILHDBK-217F. KPS10Series R2d DIODE optocoupler MTBF R2C Zener r2d transistor CAPACITOR mtbf R16A TRANSISTOR kps10 transistor MTBF diode r2c optocoupler MTBF calculation
R2d DIODE

Abstract: R2C Zener optocoupler MTBF transformer mtbf diode r2c transistor t1A Zener Diode r2b transistor R2b TRANSISTOR mosfet r2c transistor
Text: expected to be higher than the calculated figures. LAMBDA KPS15Series MTBF CALCULATIONS KPS15 , Emitting Diode 9.2 Resistor film or glaze 9.2 9.8 9.9 10.11 10.14 10.14 10.14 10.14 11.1 11.1 16.1 22.1 17.1 17.1 Resistor film or glaze Resistor Thermistor Resistor Variable , IC3 Q1 IC2 LED R1,R5,R11,R12,R13,R14 10 R,R15,R16A,R16B,R17 4 R2A,R2B,R2C,R2D 1 TH1 1 VR1 5 , CALCULATIONS KPS15-5 CAT 6.1 6.1 6.1 6.1 6.1 6.1 6.4 6.11 6.11 TYPE Diode, General Purpose


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PDF KPS15 MILHDBK-217F. KPS15Series R2d DIODE R2C Zener optocoupler MTBF transformer mtbf diode r2c transistor t1A Zener Diode r2b transistor R2b TRANSISTOR mosfet r2c transistor
2006 - 5091-9704E

Abstract: 9704e
Text: limiting typically takes the form of a current limiter resistor , R, placed in series with the LED . The , . The example calculations in this application note use representative data typically contained in LED lamp data sheets. The purpose of the calculations is to ensure reliable operation of an LED lamp when operated at an elevated ambient temperature. For the example calculations , a sample T-1 3/4 LED lamp is , using Equation 2. Using the above sample LED lamp, the following example calculations determine the


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PDF 5091-9704E 9704e
2014 - Not Available

Abstract: No abstract text available
Text: resistor Efficient and reliable operation of LED lighting is dependent on the right choice of , Efficient and reliable operation of LED lighting …and the right current-limiting resistor Given these , R = ballast resistor It is possible to use a rectified and smoothed mains input to power the LED , ) across a single LED , meaning that considerable power would be wasted in the ballast resistor compared , be less that the voltage dropped across the resistor . Instead most LED lighting systems employ


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1994 - 5091-9704E

Abstract: 9704e LED current Limiting Calculation
Text: RJ-A current limiter resistor , R, placed in series with the LED . The forward voltage , purpose of the calculations is to ensure reliable operation of an LED lamp when operated at an elevated ambient temperature. For the example calculations , a sample T-1 3/4 LED lamp is used, with 0.45 mm , hH Operational Considerations for LED Lamps and Display Devices Application Note 1005 In the design of a drive circuit for an LED lamp, an LED light bar, or an LED 7-segment display, the


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PDF 5091-9704E 5091-9704E 9704e LED current Limiting Calculation
mtbf pump

Abstract: No abstract text available
Text: automatically when the input voltage decreased. Its internal 4 current sink regulators ensure both the LED current matching and the brightness uniformity. The LED current can be programmed by an external resistor , RSET connected between the RSET pin and ground. LED current of up to 30mA are supported by the , Information Reliability Test Summary Life Test Data FIT Data Calculations MTBF Data Calculations ESD , 4-channel charge pump white LED driver, capable of driving up to 4 LEDs connected in parallel. The


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PDF SP6887ER4 SP6887ER4 SP76887ER4 /-200mA. mtbf pump
1999 - 5091-9704E

Abstract: 9704e
Text: representative data typically contained in LED lamp data sheets. The purpose of the calculations is to ensure , calculations , a sample T-1 3/4 LED lamp is used, with 0.45 mm (0.018 in.) square leads and the following , LED lamp, the following example calculations determine the thermal resistance requirements for , Operational Considerations for LED Lamps and Display Devices Application Note 1005 Introduction In the design of a drive circuit for an LED lamp, an LED light bar, or an LED 7-segment display


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PDF 5091-9704E 5091-9704E 9704e
tpa fuses

Abstract: TP15900-4 E56412
Text: installation-Connection directly to bus bar. · Eliminates external wiring per pole. · LED alarm signaling ( LED current , circuitry. · Standard 0.25" QC terminal for alarm circuit connections. · Bi-polar LED provides capability , : mm Inches BIPOLAR LED ALARM CONTACT 22.35 0.880" LOAD CONTACT 121.41 4.780" 99.3 , /Protection System Proper sizing of the current limiting resistor , referred to as RALARM in the diagram below, is essential to prevent excessive current, which could cause damage to the LED in the


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PDF TP15900-4 TP15900-4 TPI5900-4 SB99155 tpa fuses E56412
2004 - coulomb counter

Abstract: LTC4150
Text: measures battery depletion and charging by monitoring current through a sense resistor . It detects the , sets the DC756 to normal operation or a low-current shutdown mode. A bi-colored LED indicates the , Min./Max. Voltage range Min./Max. Voltage range Default Sense Resistor 0.01, 1/8 W Sense Resistor , is flowing out of the battery. On the DC756, POL is also used to drive the bi-colored LED and bit one of the shift register. The LED turns red to indicate the battery is discharging, while a green


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PDF LTC4150 LTC4150 DC756 500ms DC756, coulomb counter
E56412

Abstract: SB98107 led resistor calculations fuse catalog 48V dc
Text: through a single LED . This will insure that the 30 mA limitation is not exceeded. The calculations , THE AVAILABLE ALARM CIRCUIT CURRENT TO ² 30mA. THE MINIMUM RESISTOR WATTAGE CALCULATIONS IS ALSO , Eliminates external wiring - per pole · LED alarm signaling ( LED current 10mA max.) · Blown fuse indication , Bi-polar LED provides capability for both -48V DC and +24V DC applications · Fuse presence indication · , Certified Class 1422-30, File 53787 TPA-B 20, 25 65V DC 20 kA BIPOLAR LED ALARM CONTACT LOAD


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PDF TP15914 SB98107 E56412 SB98107 led resistor calculations fuse catalog 48V dc
2013 - circuit for flyback transformer driver

Abstract: zener diode 6w
Text: (internally connected to MOSFET source). Connect a resistor from ISNS to GND to set the maximum LED current , bulb and therefore behave as an emulated resistor . The resistor value is determined based on the LED , Isolated Flyback LED Driver . ABSTRACT This application note describes the performance of a LM3448 based Flyback LED driver solution that can be used to power a single LED string consisting of seven to eleven series connected LEDs


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PDF SNOA554C AN-2090 LM3448 -120VAC, circuit for flyback transformer driver zener diode 6w
2005 - led flashlight

Abstract: TPS61xxx TPS61040 TPS61090 TPS61091 TPS61092 SLVA211 SLVS484
Text: resistor . General information regarding white LED drivers is provided in the TPS61040EVM-002 User's Guide , sense resistor at full LED current, Vref = feedback voltage of the TPS61090 For this design, R6 was , desired voltage across the current sense resistor at full LED current, Iout = full LED current, Rdson = , resistor at full LED current, Vf = forward voltage across LED , Iout = full LED current, Eff = target power , Application Report SLVA211 ­ June 2005 Powering a White LED Flashlight With the TPS61090


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PDF SLVA211 TPS61090 TPS61090 led flashlight TPS61xxx TPS61040 TPS61091 TPS61092 SLVA211 SLVS484
2011 - transistor 649A

Abstract: No abstract text available
Text: (internally connected to MOSFET source). Connect a resistor from ISNS to GND to set the maximum LED current , non-isolated LED driver solution that can be used to power a single LED string consisting of eight to twelve , adjust the LED forward current, the number of series connected LEDs that are driven and the switching , most standard TRIAC dimmers. Refer to the LM3448 Phase Dimmable Offline LED Driver with Integrated FET , injection circuitry enables PFC values greater than 0.85 Adjustable LED current and switching frequency


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PDF SNOA559B AN-2127 LM3448 transistor 649A
2011 - 230V ac to 9V dc converter circuit

Abstract: 230V AC to 9v DC Converter without using transformer power supply driver led 30w schematic d20 diode dimmer 10 amp 220v 105k 400V capacitor transformer from 230V AC to 9V ac 500ma transformer 220V to 12V 500mA fixed 230v AC to 30V dC converter circuit diagram Ac 230v to Dc 12v led driver with pwm dimming
Text: designed to provide an AC to LED solution for a 30W LED load. Specifically, it takes an AC mains input , LED stack voltage of 45V). There are two assembly versions designed to operate from two different , input and provides a constant current of 700mA to the LED load. This two stage design provides , single stage design including: · No 120Hz LED current ripple. · Better dimming performance at low dimming levels. · Better line disturbance rejection. · Better efficiency using small LED stack voltages


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PDF LM3450A 700mA 120VAC 230VAC. LM3409HV AN-2150 230V ac to 9V dc converter circuit 230V AC to 9v DC Converter without using transformer power supply driver led 30w schematic d20 diode dimmer 10 amp 220v 105k 400V capacitor transformer from 230V AC to 9V ac 500ma transformer 220V to 12V 500mA fixed 230v AC to 30V dC converter circuit diagram Ac 230v to Dc 12v led driver with pwm dimming
2007 - 3478FE-1

Abstract: NCP15XW223J0SRC luxeon catalog CDRH103RNP-4R7NC-B LT3478 LT3478-1 UP4B-220
Text: calculations to derive the resistor values required for CTRL1 and CTRL2 pin voltages to achieve a given LED , integrating the LED current sense resistor . The LT3478 uses an external sense resistor to extend the maximum , internal (LT3478-1)/external (LT3478) resistor between the VOUT and LED pins senses LED current for , can be set by a resistor divider from VREF or an external voltage source. Maximum LED current is , current. A sense resistor connected in series with the LED (s) provides feedback of LED current to the


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PDF LT3478/LT3478-1 100mA 1050mA LT3478-1) 105mV LT3478) 200kHz 25MHz TSSOP16E LT3486 3478FE-1 NCP15XW223J0SRC luxeon catalog CDRH103RNP-4R7NC-B LT3478 LT3478-1 UP4B-220
2002 - PS401 Smart Battery IC Users Guide

Abstract: DS40239A PS401 EE core series power capacity smart lead acid battery charger li-ion 11.1v DK-2750 200B 103ETB smart ups 750 circuit
Text: . 17 5.3 Capacity Calculations , 6.4 LED Control , Calculations . 43 8.5 EOD and FCC , and capacity calculations and eliminates the need for an external crystal. 1.8 TEMPERATURE , Eight programmable digital input/output pins are provided by the PS401. These pins can be used as LED


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PDF PS401 DS40239A D-85737 DS40239A-page PS401 Smart Battery IC Users Guide DS40239A PS401 EE core series power capacity smart lead acid battery charger li-ion 11.1v DK-2750 200B 103ETB smart ups 750 circuit
1999 - resistor 330 Ohm DATA SHEET

Abstract: 25AA040 25LC040 2N7002 NM25C040 PS330
Text: active but resting · Provides 4- LED display of Relative or Absolute State-of-Charge indication , Introduction. 2 Capacity Calculations , Interface. 22 LED and SAFEOUT Ports. 25 Voltage Regulator & , wide operating range. Typical resolution using a 25 milli-ohm current sense resistor is better than , the external EEPROM for use in capacity calculations and predictions. Values such as


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PDF PS330S, PS330X, PS330R 14-bit resistor 330 Ohm DATA SHEET 25AA040 25LC040 2N7002 NM25C040 PS330
2010 - 220V 350mA LED driver

Abstract: Ac 230v to Dc 12v led driver with pwm dimming 220v 350ma led circuit transformer 230V 16V 350mA 2 PHASE 220V AC to 120V DC regulated switching Simple Circuit Diagram of 230V to 3V Voltage Converter 230V ac to 9V dc converter circuit potential transformer 230v ac 230V AC to 9v DC Converter without using transformer phase control of triac in light dimmer opto
Text: designed to provide an AC to LED solution for a 15W LED load. Specifically, it takes an AC mains input , LED stack voltage of 45V). There are two assembly versions designed to operate from two different , provides a constant current of 350mA to the LED load. This two stage design provides excellent line and , design including: · No 120Hz LED current ripple. · Better dimming performance at low dimming levels. · Better line disturbance rejection. · Better efficiency using small LED stack voltages. 120VAC 15W


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PDF LM3450 350mA 120VAC 230VAC. LM3409 AN-2098 220V 350mA LED driver Ac 230v to Dc 12v led driver with pwm dimming 220v 350ma led circuit transformer 230V 16V 350mA 2 PHASE 220V AC to 120V DC regulated switching Simple Circuit Diagram of 230V to 3V Voltage Converter 230V ac to 9V dc converter circuit potential transformer 230v ac 230V AC to 9v DC Converter without using transformer phase control of triac in light dimmer opto
SP6699

Abstract: SP-6699 led resistor calculations inductor mtbf
Text: resistor is needed to control the LED current and obtain satisfied brightness. A constant frequency 1.0MHz , Reliability Test Summary Life Test Data FIT Data Calculations MTBF Data Calculations ESD Testing Latch-up , . When any LED is broken or in other abnormal conditions, the output voltage will be clamped to 27V. The , Manufacturing Information: Product: SP6699 Description: White LED Step-Up Converter Package Information , Rate Calculations FIT rate (failures in time) is the predicted number of failures per billion device


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PDF SP6699 SP6699 /200V. /-200mA. SP-6699 led resistor calculations inductor mtbf
2003 - li-ion 11.1v

Abstract: rshn TDA 3780 103ETB DK-2750 PS402 PS402-01XX Fuel-Gauge IC with LED Display
Text: sigma-delta A/D converter accurately measures: - Current through sense resistor (15-bits) - High voltage , Safety function I/O - SOC LED output drive pins - General purpose I/O · Full SMBus v1.1 2-wire host , analog supply input); ground RSHP, RSHN Current sense resistor input I External thermistor input VREFT O Thermistor reference voltage ROSC I Internal oscillator bias resistor , support charge or safety control, SOC LED display or user-programmable digital I/O. Microchip's PS402


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PDF PS402-01XX 15-bits) 11-bits) DK-2750 D-85737 DS21766A-page li-ion 11.1v rshn TDA 3780 103ETB PS402 PS402-01XX Fuel-Gauge IC with LED Display
2004 - DT 7130 IC

Abstract: temp alarm ntc pic 103ETB CIRCUIT DIAGRAM FOR IC 810 PS402 PS402-01XX tda 1006
Text: sigma-delta A/D converter accurately measures: - Current through sense resistor (15 bits) - High-voltage , Safety function I/O - SOC LED output drive pins - General purpose I/O · Full SMBus v1.1 2-wire host , connected to analog supply input); ground RSHP, RSHN Current sense resistor input I External , resistor RSV1-7 I Reserved pins VPP 2004 Microchip Technology Inc. I VNTC I OTP , oscillator and temperature sensor. Eight general purpose pins support charge or safety control, SOC LED


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PDF PS402-01XX D-85737 NL-5152 DS21766B-page DT 7130 IC temp alarm ntc pic 103ETB CIRCUIT DIAGRAM FOR IC 810 PS402 PS402-01XX tda 1006
2N7002-SOT23

Abstract: LTC4150 LTC4150CMS 2N7002 equivalent
Text: measures battery depletion and charging by monitoring current through a sense resistor . It detects the , sets the DC756 to normal operation or a low-current shutdown mode. A bi-colored LED indicates the , Min./Max. Voltage range Min./Max. Voltage range Default Sense Resistor 0.01, 1/8 W Sense Resistor , is flowing out of the battery. On the DC756, POL is also used to drive the bi-colored LED and bit one of the shift register. The LED turns red to indicate the battery is discharging, while a green


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PDF LTC4150 LTC4150 DC756 battery2N7002, 1/16W 2N7002-SOT23 LTC4150CMS 2N7002 equivalent
1997 - .47k capacitor

Abstract: capacitor 100nf DR-00903 Light Dependant Resistors 4008 pin out diagram 47k capacitor 5 digit 7 segment display fax 1.5uF 4008 1 watt led driver circuit diagram
Text: BACK sames FEATURES n SA9106A SINGLE PHASE WATT MEASUREMENT IC WITH INTEGRATED 5 DIGIT LED , ) LED display Accuracy better than 1% (± 1 count) Protected against ESD Total power consumption rating , measurement integrated circuit has an integrated Light Emitting Diode ( LED ) display driver for a 5 digit (7 segment) display. The SA9106A performs the power calculations for active power. The method of calculation , SS IIP POWER IIN ANALOG SIGNAL PROCE- INTEGRATOR TP22 A B LED DISPLAY DRIVER


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PDF SA9106A .47k capacitor capacitor 100nf DR-00903 Light Dependant Resistors 4008 pin out diagram 47k capacitor 5 digit 7 segment display fax 1.5uF 4008 1 watt led driver circuit diagram
2011 - CY8CLEDAC03L

Abstract: CY8CLEDAC03H TRIAC dimmer control using cypress coding CY8CLEDAC02 Flyback Transformer Design EXCEL chopper transformer winding trailing SCHEMATIC dimmer CY8CLEDAC03 AN70005 AN68671
Text: dimmable LED driver using the CY8CLEDAC03L or CY8CLEDAC03H. Applications for this part include LED replacement lamps, LED ballasts, and LED downlights. Design equations for all key components are given , Requirements The CY8CLEDAC03x is the next generation of triac dimmable LED driver. It replaces CY8CLEDAC02 and can be used to create an offline dimmable LED driver that is compatible with leading edge (or , LED current is a function of the phase cut angle that allows you to dim the LEDs to as low as 2


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PDF CY8CLEDAC03H, CY8CLEDAC03L AN70005 CY8CLEDAC03L, CY8CLEDAC03H AN68671 AN70005 CY8CLEDAC03H. CY8CLEDAC03x CY8CLEDAC03H TRIAC dimmer control using cypress coding CY8CLEDAC02 Flyback Transformer Design EXCEL chopper transformer winding trailing SCHEMATIC dimmer CY8CLEDAC03 AN68671
2008 - 2n2222 spice model

Abstract: mathcad DCM flyback TL431 IN BOOST CONVERTER Christophe Basso CCM Flyback mathcad pfc optocoupler spice model NCP101X mathcad flyback converter AND8093D
Text: : If we consider a CTR of 1 for our optocoupler, we can already calculate the LED resistor value: R , The method we disclosed in the previous lines still applies. We need to calculate the LED resistor to , external sensing resistor , these switchers embed everything inside the package and can sometimes puzzle , via a sensing element, the sense resistor . Figure 1 represents a simplified view of a current-mode controller using an external sense resistor : dc rail clock L Vdd FB S Rpullup R DRV Q


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PDF AND8334/D NCP101X NCP1027 NCP101X 2n2222 spice model mathcad DCM flyback TL431 IN BOOST CONVERTER Christophe Basso CCM Flyback mathcad pfc optocoupler spice model mathcad flyback converter AND8093D
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