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    LTC3531 Price and Stock

    Analog Devices Inc LTC3531ES6-3.3-TRPBF

    IC REG BUCK BOOST 3.32V TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3531ES6-3.3-TRPBF Digi-Reel 17,522 1
    • 1 $7.55
    • 10 $5.154
    • 100 $3.8426
    • 1000 $3.1321
    • 10000 $3.1321
    		Buy Now
    LTC3531ES6-3.3-TRPBF Cut Tape 17,522 1
    • 1 $7.55
    • 10 $5.154
    • 100 $3.8426
    • 1000 $3.1321
    • 10000 $3.1321
    		Buy Now
    LTC3531ES6-3.3-TRPBF Reel 12,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.975
    		Buy Now

    Analog Devices Inc LTC3531ES6-3.3-TRMPBF

    IC REG BUCK BOOST 3.32V TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3531ES6-3.3-TRMPBF Cut Tape 17,010 1
    • 1 $7.55
    • 10 $5.154
    • 100 $3.8426
    • 1000 $3.50668
    • 10000 $3.50668
    		Buy Now
    LTC3531ES6-3.3-TRMPBF Digi-Reel 17,010 1
    • 1 $7.55
    • 10 $5.154
    • 100 $3.8426
    • 1000 $3.50668
    • 10000 $3.50668
    		Buy Now
    LTC3531ES6-3.3-TRMPBF Reel 16,500 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.1321
    • 10000 $2.975
    		Buy Now

    Analog Devices Inc LTC3531EDD-TRPBF

    IC REG BUCK BOOST ADJ 200MA 8DFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3531EDD-TRPBF Digi-Reel 5,797 1
    • 1 $7.5
    • 10 $5.119
    • 100 $3.8149
    • 1000 $3.10824
    • 10000 $3.10824
    		Buy Now
    LTC3531EDD-TRPBF Cut Tape 5,797 1
    • 1 $7.5
    • 10 $5.119
    • 100 $3.8149
    • 1000 $3.10824
    • 10000 $3.10824
    		Buy Now
    LTC3531EDD-TRPBF Reel 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.95
    		Buy Now

    Analog Devices Inc LTC3531EDD-PBF

    IC REG BUCK BOOST ADJ 200MA 8DFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3531EDD-PBF Tube 5,134 1
    • 1 $7.5
    • 10 $5.119
    • 100 $3.8149
    • 1000 $3.10824
    • 10000 $2.95
    		Buy Now

    Analog Devices Inc LTC3531EDD-3.3-PBF

    IC REG BUCK BST 3.32V 200MA 8DFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3531EDD-3.3-PBF Tube 228 1
    • 1 $7.5
    • 10 $5.119
    • 100 $3.8149
    • 1000 $3.10824
    • 10000 $2.95
    		Buy Now
    Find more LTC3531 price and stock on Findchips.com

    LTC3531 Datasheets (25)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LTC3531 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531-3 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531-3.3 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531EDD Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531EDD#PBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD#TR Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD#TRPBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531EDD-3#PBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3#TR Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3#TRPBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3.3 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531EDD-3.3#PBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3.3#TR Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531EDD-3.3#TRPBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; No of Pins: 8; Temperature Range: -40°C to +125°C Original PDF
    LTC3531ES6-3 Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters Original PDF
    LTC3531ES6-3#TR Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3531ES6-3#TRM Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3531ES6-3#TRMPBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3531ES6-3#TRPBF Linear Technology 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF

    LTC3531 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    LTbwm

    Abstract: DN4835 LTC3531 LTC3531-3 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531fa LTbwm DN4835 LTC3531 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3

    LQH43CN

    Abstract: LTC3428 DN483
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531/LTC3531-3 3531fb LQH43CN LTC3428 DN483

    LTbwm

    Abstract: DN4835 LTC3531 LTC3531-3 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531fb LTbwm DN4835 LTC3531 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3

    LTbwm

    Abstract: ltbw DN4835 LTC3531 LTC3531-3 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531f LTbwm ltbw DN4835 LTC3531 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3

    DC877

    Abstract: LTC3531 LTC3531-3
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 877 BUCK-BOOST REGULATOR LTC3531 DESCRIPTION Demonstration circuit 877 is a high efficiency synchronous Buck-Boost converter using the LTC3531-3.3. The input range is from 1.8V to 5.5V making it ideal for single-cell Lithium-Ion, multicell


    Original     		PDF LTC3531 LTC3531-3 200mA DC877 LTC3531

    Untitled

    Abstract: No abstract text available
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ U ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531fb

    3543 dual amp

    Abstract: 3543 3543 amplifier pll down converter TA11 TO MURATA VLCF4020T-2R2N1R7 VLCF5020-2R7N1R7 VLCF5020-3R3N1R6 VLCF5020-4R7N1R4 VLF3010AT-2R2M1R0
    Text: LTC3543 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The LTC 3543 is a high efficiency monolithic synchronous current mode buck regulator.


    Original     		PDF LTC3543 600mA 25MHz 25MHz, LTC3548/LTC3548-1/ LTC3548-2 400mA/800mA MS10E, 3543 dual amp 3543 3543 amplifier pll down converter TA11 TO MURATA VLCF4020T-2R2N1R7 VLCF5020-2R7N1R7 VLCF5020-3R3N1R6 VLCF5020-4R7N1R4 VLF3010AT-2R2M1R0

    38uA

    Abstract: LTC3101
    Text: LTC3521 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters Features Description Three High Efficiency DC/DC Converters: Buck-Boost VOUT: 1.8V to 5.25V, IOUT: 1A Dual Buck (VOUT: 0.6V to VIN, IOUT: 600mA) n 1.8V to 5.5V Input Voltage Range n Pin-Selectable Burst Mode Operation


    Original     		PDF LTC3521 600mA 600mA) LTC3532 500mA LTC3547 300mA 25MHz, QFN-24 38uA LTC3101

    Si7940DY

    Abstract: LTC3785 100C LTC3785I LTC3785IUF MSS1260 Si7940DP ADRV Thin-SOT23 1/Si7940DY
    Text: LTC3785 10V, High Efficiency, Synchronous, No RSENSE Buck-Boost Controller Description Features The LTC 3785 is a high power synchronous buck-boost controller that drives all N-channel power MOSFETs from input voltages above, below and equal to the output voltage. With an input range of 2.7V to 10V, the LTC3785 is


    Original     		PDF LTC3785 LTC3785 LTC3532 500mA DFN-10, MSOP-10 LTC3531 LTC3531-3 LTC3531-3 200mA Si7940DY 100C LTC3785I LTC3785IUF MSS1260 Si7940DP ADRV Thin-SOT23 1/Si7940DY

    LTC3521

    Abstract: LTC3521EFE LTC3521EUF LTC3521FE Synchronous buck PWM transconductance 2000 Buck-Boost Converter advantages
    Text: LTC3521 Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters Features Description Three High Efficiency DC/DC Converters: Buck-Boost VOUT: 1.8V to 5.25V, IOUT: 1A Dual Buck (VOUT: 0.6V to VIN, IOUT: 600mA) n 1.8V to 5.5V Input Voltage Range


    Original     		PDF LTC3521 600mA 600mA) 600mA LTC3531-3 LTC3532 500mA LTC3547 300mA 25MHz, LTC3521 LTC3521EFE LTC3521EUF LTC3521FE Synchronous buck PWM transconductance 2000 Buck-Boost Converter advantages

    Untitled

    Abstract: No abstract text available
    Text: LTC3547 Dual Monolithic 300mA Synchronous Step-Down Regulator DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ High Efficiency Dual Step-Down Outputs: Up to 96% 300mA Output Current per Channel at VIN = 3V Automatic Low Ripple Burst Mode Operation


    Original     		PDF LTC3547 300mA 20mVP-P) 25MHz LTC3532 500mA LTC3548/LTC3548-1/ LTC3548-2 400mA

    Untitled

    Abstract: No abstract text available
    Text: LTC3532 Micropower Synchronous Buck-Boost DC/DC Converter DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Single Inductor Regulated Output with Input Voltages Above, Below or Equal to the Output Wide VIN Range: 2.4V to 5.5V VOUT Range: 2.4V to 5.25V


    Original     		PDF LTC3532 500mA 300kHz LTC3440 10-Lead 10-Lead LTC3444 LTC3531/ LTC3531-3

    LTC3440

    Abstract: LTC3532 LTC3532EDD LTC3532EMS MBRM120T3 k3532 110LT3
    Text: LTC3532 Micropower Synchronous Buck-Boost DC/DC Converter DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Single Inductor Regulated Output with Input Voltages Above, Below or Equal to the Output Wide VIN Range: 2.4V to 5.5V VOUT Range: 2.4V to 5.25V


    Original     		PDF LTC3532 500mA 300kHz LTC3440 10-Lead 10-Lead 600kHz, LTC3444 LTC3531/LTC3531- LTC3440 LTC3532 LTC3532EDD LTC3532EMS MBRM120T3 k3532 110LT3

    RZ2 G24

    Abstract: No abstract text available
    Text: LTC3113 3A Low Noise Buck-Boost DC/DC Converter FEATURES n n n n n n n n n n n n n DESCRIPTION Regulated Output with Input Voltage Above, Below or Equal to the Output Voltage 1.8V to 5.5V Input and Output Voltage Range 3A Continuous Output Current VIN > 3.0V, VOUT = 3.8V


    Original     		PDF LTC3113 300kHz 16-Lead 20-Lead wide35Â LTC3785 LTC3101 LTC3530 3113f RZ2 G24

    K3532

    Abstract: LTC3532EDD LTC3532EMS LTC3440 LTC3532 MBRM120T3 TA03
    Text: LTC3532 Micropower Synchronous Buck-Boost DC/DC Converter DESCRIPTIO FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ U ■ Single Inductor Regulated Output with Input Voltages Above, Below or Equal to the Output Wide VIN Range: 2.4V to 5.5V VOUT Range: 2.4V to 5.25V


    Original     		PDF LTC3532 500mA 300kHz LTC3440 10-Lead 10-Lead 600kHz, LTC3444 LTC3531/ K3532 LTC3532EDD LTC3532EMS LTC3440 LTC3532 MBRM120T3 TA03

    SSN SOT-23

    Abstract: LTC3452 LTC3445 LTC1734 LTC1734L LTC4054L LTC4056 LTC4057 2x2 dfn lt1618
    Text: 06.2006 Power Management for Portable Products High Performance Analog ICs Power Management for Portable Products CCD Bias Page 16 CCD MAIN 1-10 Backlight and Camera Flash White LED Drivers Page 17– 20 SUB 1-6 RGB 4096 colors CAM (1A MAX) 1-8 AUX 1-4 Up to 40V


    Original     		PDF PMPP060610K SSN SOT-23 LTC3452 LTC3445 LTC1734 LTC1734L LTC4054L LTC4056 LTC4057 2x2 dfn lt1618

    LTC3544

    Abstract: VFB-100 SW200A SW200B SW100 TPC744029 SW100B LTC3544B
    Text: LTC3544 Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ High Efficiency: Up to 95% Four Independent Regulators Provide Up to 300mA, 200mA, 200mA and 100mA Output Current 2.25V to 5.5V Input Voltage Range


    Original     		PDF LTC3544 25MHz, 300mA, 200mA, 100mA 200mA 100mA LTC3544 VFB-100 SW200A SW200B SW100 TPC744029 SW100B LTC3544B

    start capacitor 3534

    Abstract: LTC3533 LTC3534 LTC3534EDE MBRM120T3 MO-229 MSS7341 RLF7030 LTC3522
    Text: LTC3534 7V, 500mA Synchronous Buck-Boost DC/DC Converter DESCRIPTION FEATURES n n n n n n n n n n Regulated Output with Input Voltages Above, Below or Equal to the Output 2.4V to 7V Input and 1.8V to 7V Output Voltage Range 5V VOUT at 500mA from 4 AA Cells


    Original     		PDF LTC3534 500mA 16-Lead 16-Lead 500mA LTC3533 LTC3538 800mA 3534f start capacitor 3534 LTC3533 LTC3534 LTC3534EDE MBRM120T3 MO-229 MSS7341 RLF7030 LTC3522

    VLCF5020-3R3N1R6

    Abstract: 3543 dual amp VLF3012AT-2R2M1R0 VLCF4020T-2R2N1R7 VLCF5020-2R7N1R7 VLCF5020-4R7N1R4 VLF3010AT-2R2M1R0 tdk-c2 NR4018T4R7M 3543 amplifier
    Text: LTC3543 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum FEATURES n n n n n n n n n n n n n n 600mA Output Current 2.5V to 5.5V Input Voltage Range 2.25MHz Constant-Frequency Operation, Spread Spectrum or Synchronized PLL 1MHz to 3MHz


    Original     		PDF LTC3543 600mA 25MHz 6-Lea95% LTC3548/LTC3548-1/ LTC3548-2 400mA/800mA 25MHz, MS10E VLCF5020-3R3N1R6 3543 dual amp VLF3012AT-2R2M1R0 VLCF4020T-2R2N1R7 VLCF5020-2R7N1R7 VLCF5020-4R7N1R4 VLF3010AT-2R2M1R0 tdk-c2 NR4018T4R7M 3543 amplifier

    LTC3406AB-2

    Abstract: LTC3544 LQH32CN2R2M33 JMK316BJ106I LTC3406A MO-193 footprint LTC3544B LTC3406AB
    Text: LTC3406AB-2 2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT DESCRIPTION FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ High Efficiency: Up to 96% 600mA Output Current 2.5V to 5.5V Input Voltage Range 2.25MHz Constant Frequency Operation


    Original     		PDF LTC3406AB-2 25MHz, 600mA 600mA 25MHz Di3548-1/ 400mA 800mA LTC3548-2 LTC3406AB-2 LTC3544 LQH32CN2R2M33 JMK316BJ106I LTC3406A MO-193 footprint LTC3544B LTC3406AB

    LTC3544

    Abstract: LTC3545-1 jedec package MO-220 QFN-40 LTC3544B
    Text: LTC3545/LTC3545-1 Triple 800mA Synchronous Step-Down Regulator–2.25MHz FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTION Three 800mA Outputs High Efficiency: Up to 95% 2.25V to 5.5V Input Voltage Range Low Ripple <20mVP-P Burst Mode Operation


    Original     		PDF LTC3545/LTC3545-1 800mA 25MHz 20mVP-P) 25MHz 16-Lead 3545/LTC3545-1 LTC3548/LTC3548-1 LTC3548-2 LTC3544 LTC3545-1 jedec package MO-220 QFN-40 LTC3544B

    LP01704-222M

    Abstract: A997AS-3R3M LTC3560 LTC3560ES6 ltcfy
    Text: LTC3560 2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT DESCRIPTION FEATURES n n n n n n n n n n n n n n High Efficiency: Up to 95% Low Output Ripple <20mVP-P : Burst Mode Operation: IQ = 16 A 2.5V to 5.5V Input Voltage Range 2.25MHz Constant Frequency Operation


    Original     		PDF LTC3560 25MHz, 800mA 20mVP-P) 25MHz LTC3548/LTC3548-1/ LTC3548-2 400mA/800mA MS10E, LP01704-222M A997AS-3R3M LTC3560 LTC3560ES6 ltcfy

    RF3103

    Abstract: LTC4088 DFN 3x4 LTC3445 LTC3452 LTC3549 u225 LTC4416 LTC4054L LTC4056
    Text: 09.2006 携帯製品向けパワーマネージメント 高性能アナログIC 携帯製品向けパワーマネージメント CCDバイアス p.16 CCD メイン1~10 バックライトや カメラフラッシュの 白色LED ドライバ (p.17∼20)


    Original     		PDF LTC4076/77 LTC4065L: LTC4065L2mm DFN250mA PMPP0906 RF3103 LTC4088 DFN 3x4 LTC3445 LTC3452 LTC3549 u225 LTC4416 LTC4054L LTC4056

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS