Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

DC to DC converter

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Radiation Hardening Number of Pins Additional Feature Package / Case Max Supply Voltage REACH SVHC Reach Compliance Code Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current Max Supply Current Height Seated (Max) HTS Code Number of Functions Max Frequency Nominal Input Voltage Max Input Voltage JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Output Type Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Output Voltage Output Current-Max Number of Outputs Output Current Voltage - Output Max Output Current Input Voltage-Nom Analog IC - Other Type Supply Current-Max (Isup) Supplier Device Package Number of Terminals Quiescent Current Rise Time Fall Time (Typ) Frequency (Max) Output Configuration Control Mode Switching Frequency Input Voltage (Min) Input Voltage (Max) Function Control Technique Switcher Configuration Switching Frequency-Max Topology Max Duty Cycle Voltage - Supply (Vcc/Vdd) Control Features Frequency - Switching Duty Cycle Synchronous Rectifier Number of Output Phases Serial Interfaces Output Phases Duty Cycle (Max) Clock Sync
S-8333TCDA-T8T1U S-8333TCDA-T8T1U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) Surface Mount -40°C~85°C TA Transistor Driver 1 8-TSSOP Positive Step-Up Boost 1.8V~6V Current Limit, Frequency Control 280kHz~1.08MHz No 1 89% No
MIC2130-4YTSE-TR MIC2130-4YTSE-TR Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2007 Active 3 (168 Hours) 125°C -40°C ROHS3 Compliant Lead Free 16 16-TSSOP (0.173, 4.40mm Width) Exposed Pad 40V Surface Mount -40°C~125°C TJ 440kHz MIC2130 Transistor Driver 1 15A 16-eTSSOP Positive Step-Down Buck 80 % 8V~40V Current Limit, Enable, Power Good, Soft Start 400kHz Yes 1 1 80% No
UCC3806QTR UCC3806QTR Rochester Electronics, LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 2 (1 Year) ROHS3 Compliant 20-LCC (J-Lead) Surface Mount 0°C~70°C TA Transistor Driver 2 20-PLCC (9x9) Positive, Isolation Capable Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter 8V~14.5V Current Limit, Enable, Frequency Control 47kHz Yes 1 50% No
ISL6526AIRZ-T ISL6526AIRZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) Active 3 (168 Hours) 16 EAR99 5mm ROHS3 Compliant 16-VQFN Exposed Pad 5mm Surface Mount -40°C~85°C TA e3 MATTE TIN QUAD ISL6526A Transistor Driver YES 0.8mm 1 SWITCHING CONTROLLER Positive VOLTAGE-MODE 3.3V 5V Step-Down PULSE WIDTH MODULATION Buck 2.97V~3.63V Enable, Phase Control 600kHz Yes 100% No
LTC1709EG-85#TRPBF LTC1709EG-85#TRPBF Linear Technology / Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Tape & Reel (TR) Active 1 (Unlimited) 36 EAR99 ROHS3 Compliant 36-SSOP (0.209, 5.30mm Width) 5.3mm Surface Mount -40°C~85°C TA e3 Matte Tin (Sn) DUAL GULL WING 250 LTC1709 Transistor Driver YES 0.65mm R-PDSO-G36 3A 2 15V SWITCHING CONTROLLER Positive CURRENT-MODE 4V 36V Step-Down PULSE WIDTH MODULATION PHASE-SHIFT Buck 4V~36V Enable, Power Good, Soft Start 140kHz~310kHz Yes 99.5% No
SG1524BJ SG1524BJ Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download IN PRODUCTION (Last Updated: 2 weeks ago) Through Hole Tube no Obsolete 1 (Unlimited) 16 EAR99 125°C -55°C Non-RoHS Compliant Contains Lead Yes 16 16-CDIP (0.300, 7.62mm) 40V 600kHz Through Hole BIPOLAR 5.08mm 1 e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED NOT SPECIFIED SG*524 16 MILITARY Switching Regulator or Controllers Not Qualified 19V 2 20V SWITCHING CONTROLLER 100μA 200ns 100 ns VOLTAGE-MODE 600kHz 7V PULSE WIDTH MODULATION PUSH-PULL 49 %
MAX5015ESA+ MAX5015ESA+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2001 yes Not For New Designs 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8-SOIC (0.154, 3.90mm Width) 3.9mm Surface Mount -40°C~85°C TA BICMOS 275kHz e3 Matte Tin (Sn) DUAL GULL WING 260 MAX5015 Transistor Driver R-PDSO-G8 1 1A 11V SWITCHING CONTROLLER Positive, Isolation Capable CURRENT-MODE Step-Up/Step-Down PULSE WIDTH MODULATION SINGLE Flyback 50 % 13V~36V Enable, Soft Start 275kHz No
ISL9500CVZ-T ISL9500CVZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount Digi-Reel® 2004 Active 85°C -10°C 5V 9.8mm RoHS Compliant Lead Free 38 TSSOP 1MHz 1.05mm 4.5mm 203.804722mg 5V 1 1.708V 1MHz 275kHz
LTC3784IGN#TRPBF LTC3784IGN#TRPBF Linear Technology / Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tape & Reel (TR) 2015 PolyPhase® Active 1 (Unlimited) 28 EAR99 9.893mm ROHS3 Compliant OUTPUT VOLTAGE IS ADJUSTABLE UPTO 60V 28-SSOP (0.173, 4.40mm Width) 3.899mm Surface Mount -40°C~125°C TJ CMOS 1.75mm e3 Matte Tin (Sn) DUAL GULL WING LTC3784 Transistor Driver YES 0.635mm 2 12V DUAL SWITCHING CONTROLLER Positive CURRENT-MODE 4.5V 60V Step-Up PULSE WIDTH MODULATION Boost 4.5V~60V Current Limit, Enable, Frequency Control, Power Good, Soft Start 105kHz~760kHz Yes 96% No
S-8338ACCA-P8T1G S-8338ACCA-P8T1G ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 2.9mm RoHS Compliant 8-SMD, Flat Lead 2.8mm Surface Mount -40°C~85°C TA CMOS 0.9mm e6/e2 TIN BISMUTH/TIN SILVER DUAL 260 10 Transistor Driver YES 0.65mm R-PDSO-F8 1 3.3V SWITCHING CONTROLLER Positive VOLTAGE-MODE 6V Step-Up PULSE WIDTH MODULATION SINGLE Boost 1.8V~6V Current Limit, Enable, Frequency Control 257.4kHz~1.134MHz No 88.5%
LTC1159IS#PBF LTC1159IS#PBF Linear Technology / Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks PRODUCTION (Last Updated: 5 days ago) Surface Mount Tube 2001 Active 1 (Unlimited) 16 EAR99 9.9mm ROHS3 Compliant Lead Free 16 16-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C TA CMOS 250kHz e3 Matte Tin (Sn) DUAL GULL WING 260 30 LTC1159 Transistor Driver Switching Regulator or Controllers 1 50mA 12V SWITCHING CONTROLLER Positive or Negative CURRENT-MODE 4V 40V Step-Down CONSTANT OFF TIME PUSH-PULL Buck 4V~40V Current Limit, Enable Up to 250kHz Yes 100% No
LTC7812HUH#PBF LTC7812HUH#PBF Linear Technology / Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tube 2015 Active 1 (Unlimited) ROHS3 Compliant 32-WFQFN Exposed Pad Surface Mount -40°C~150°C TJ LTC7812 Transistor Driver 2 Positive Step-Up, Step-Down Buck, Boost 4.5V~38V Enable, Frequency Control, Power Good, Soft Start, Tracking 115kHz~835kHz 350kHz~535kHz No 1 96%, 99%
MIC2168AYMM-TR MIC2168AYMM-TR Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2005 Active 1 (Unlimited) 125°C -40°C ROHS3 Compliant Lead Free 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 14.5V Surface Mount -40°C~125°C TJ 1.1MHz MIC2168 Transistor Driver 800mV 1 14.5A 10-MSOP 30ns 30 ns Positive Step-Down Buck 90 % 3V~14.5V Current Limit, Enable 1MHz Yes 1 1 90% No
MIC2168ABMM MIC2168ABMM Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2010 Discontinued 1 (Unlimited) Non-RoHS Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Surface Mount -40°C~125°C TJ MIC2168 Transistor Driver 1 10-MSOP Positive Step-Down Buck 3V~14.5V Current Limit, Enable 1MHz Yes 1 90% No
TL3845D-8 TL3845D-8 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks ACTIVE (Last Updated: 2 days ago) Tube Automotive, AEC-Q100 yes Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) 500kHz 1.75mm 3.91mm 1.58mm Surface Mount 72.603129mg 0°C~70°C TA BIPOLAR 5.5V e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 15V TL3845 Transistor Driver YES Switching Regulator or Controllers 30V 1 200mA 15V SWITCHING REGULATOR 30mA 50ns 50 ns Positive CURRENT-MODE Step-Up, Step-Up/Step-Down PULSE WIDTH MODULATION Boost, Flyback, Forward Converter 50 % 7.6V~30V Frequency Control 100kHz No 48%
S-8533A25AFT-TB-G S-8533A25AFT-TB-G ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) 3mm Surface Mount -40°C~85°C TA CMOS e6 TIN BISMUTH DUAL GULL WING 260 10 Transistor Driver YES 0.65mm R-PDSO-G8 2.5V 1 3.75V SWITCHING CONTROLLER Positive 2.7V Step-Down PULSE WIDTH MODULATION PUSH-PULL Buck 2.7V~16V Enable, Soft Start 300kHz Yes 100% No
UCD9224RGZT UCD9224RGZT Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 5 days ago) Surface Mount Tape & Reel (TR) yes Active 3 (168 Hours) 48 EAR99 7mm ROHS3 Compliant Lead Free 48 48-VFQFN Exposed Pad No SVHC 2MHz 1mm 7mm 900μm Surface Mount 139.989945mg -40°C~125°C TJ 8mA 65mA 3.6V e4 Nickel/Palladium/Gold (Ni/Pd/Au) QUAD 260 UCD9224 PWM Signal 0.5mm 3V 2 6mA 3.3V SWITCHING CONTROLLER Positive VOLTAGE-MODE Step-Down PULSE WIDTH MODULATION SINGLE Buck 3V~3.6V Enable, Power Good, Reset, Sequencing, Tracking 15.26kHz~2MHz No I2C, PMBus, SMBus 100% Yes
MIC38C45ABM MIC38C45ABM Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 Discontinued 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C TA MIC38C45 Transistor Driver 1 8-SOIC Positive, Isolation Capable Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter 7.6V~20V Frequency Control 500kHz Yes 1 50% No
SP6128AHY-L SP6128AHY-L Exar Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount yes 1 (Unlimited) 14 EAR99 105°C -40°C 5mm RoHS Compliant Lead Free 14 TSSOP 5.5V 4.4mm 1mA 1 e3 Matte Tin (Sn) DUAL GULL WING 260 40 14 INDUSTRIAL 0.65mm Switching Regulator or Controllers Not Qualified 2A 1 4.5V SWITCHING CONTROLLER 60ns 60 ns 330kHz VOLTAGE-MODE 3V PULSE WIDTH MODULATION PUSH-PULL 90 % 300kHz 90 %
S-8521C30MC-BTPT2U S-8521C30MC-BTPT2U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2.9mm RoHS Compliant ALSO OPERATES AS PFM SC-74A, SOT-753 Surface Mount -40°C~85°C TA CMOS e3 TIN DUAL GULL WING Transistor Driver YES 0.95mm R-PDSO-G5 3V 0.05A 1 SWITCHING CONTROLLER Positive 2.5V Step-Down PULSE WIDTH MODULATION SINGLE Buck 2.5V~10V Enable 60kHz No 100%
S-8533A45AFT-TB-G S-8533A45AFT-TB-G ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) 3mm Surface Mount -40°C~85°C TA CMOS e6 TIN BISMUTH DUAL GULL WING 260 10 Transistor Driver YES 0.65mm R-PDSO-G8 4.5V 1 6.75V SWITCHING CONTROLLER Positive 2.7V Step-Down PULSE WIDTH MODULATION PUSH-PULL Buck 2.7V~16V Enable, Soft Start 300kHz Yes 100% No
S-8355K50MC-NBJT2U S-8355K50MC-NBJT2U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2.9mm RoHS Compliant SC-74A, SOT-753 Surface Mount -40°C~85°C TA CMOS e3 Tin (Sn) DUAL GULL WING 260 10 Transistor Driver YES 0.95mm R-PDSO-G5 5V 1 SWITCHING CONTROLLER Positive 0.9V Step-Up PULSE WIDTH MODULATION SINGLE Boost 0.9V~10V Enable 100kHz No 90%
MAX1651CSA+T MAX1651CSA+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2010 yes Active 1 (Unlimited) 8 EAR99 16V 4.9mm ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) 3.9mm Surface Mount 0°C~70°C TA BICMOS 300kHz 16V e3 Matte Tin (Sn) DUAL GULL WING 260 MAX1651 Transistor Driver Switching Regulator or Controllers 16V 1 2.5A 5V SWITCHING CONTROLLER Positive CURRENT-MODE Step-Down PULSE FREQUENCY MODULATION SINGLE Buck 3V~16V Enable Up to 300kHz No 96.5%
ISL6527IBZ ISL6527IBZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C TA ISL6527 Transistor Driver 1 SWITCHING CONTROLLER Positive Step-Down Buck 2.97V~3.63V Enable, Phase Control 600kHz Yes 100% No
ISL6558IB-T ISL6558IB-T Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 (Unlimited) EAR99 9.9mm Non-RoHS Compliant ALSO OPERATES IN CURRENT MODE not_compliant 3.9mm 1.75mm 8542.39.00.01 1 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 NOT SPECIFIED 16 INDUSTRIAL YES 1.27mm R-PDSO-G16 85°C -40°C Switching Regulator or Controllers Not Qualified 5V SWITCHING CONTROLLER 16 VOLTAGE-MODE 4.75V 5.25V PULSE WIDTH MODULATION PHASE-SHIFT 1500kHz
S-8356K30MC-NEPT2U S-8356K30MC-NEPT2U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2.9mm RoHS Compliant ALSO HAS CONTROL TECHNIQUE OF PFM SC-74A, SOT-753 Surface Mount -40°C~85°C TA CMOS e3 Tin (Sn) DUAL GULL WING 260 10 Transistor Driver YES 0.95mm R-PDSO-G5 3V 1 SWITCHING CONTROLLER Positive 0.9V Step-Up PULSE WIDTH MODULATION SINGLE Boost 0.9V~10V Enable 100kHz No 90%
S-8355Q34MC-OWTT2U S-8355Q34MC-OWTT2U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2.9mm RoHS Compliant SC-74A, SOT-753 Surface Mount -40°C~85°C TA CMOS e3 Tin (Sn) DUAL GULL WING 260 10 Transistor Driver YES 0.95mm R-PDSO-G5 3.4V 1 SWITCHING CONTROLLER Positive 0.9V Step-Up PULSE WIDTH MODULATION SINGLE Boost 0.9V~10V Enable 600kHz No 85%
S-8521E16MC-BLBT2U S-8521E16MC-BLBT2U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2.9mm RoHS Compliant ALSO OPERATES AS PFM SC-74A, SOT-753 Surface Mount -40°C~85°C TA CMOS e3 TIN DUAL GULL WING Transistor Driver YES 0.95mm R-PDSO-G5 1.6V 0.05A 1 2.5V SWITCHING CONTROLLER Positive 2.5V Step-Down PULSE WIDTH MODULATION SINGLE Buck 2.5V~10V Enable 300kHz No 100%
S-8533A18AFT-TB-U S-8533A18AFT-TB-U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) 3mm Surface Mount -40°C~85°C TA CMOS e3 Tin (Sn) DUAL GULL WING 260 10 Transistor Driver YES 0.65mm R-PDSO-G8 1.8V 1 2.7V SWITCHING CONTROLLER Positive 2.7V Step-Down PULSE WIDTH MODULATION PUSH-PULL Buck 2.7V~16V Enable, Soft Start 300kHz Yes 100% No
UC2823QTR UC2823QTR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) yes Discontinued 2 (1 Year) 20 EAR99 8.965mm ROHS3 Compliant Contains Lead 20 CAN ALSO BE CONFIGURED IN CURRENT MODE 20-LCC (J-Lead) 1MHz 8.965mm Surface Mount -25°C~85°C TA BIPOLAR 4.57mm e3 Matte Tin (Sn) QUAD J BEND 260 UC2823 Transistor Driver YES Switching Regulator or Controllers 13V 1 200mA 15V SWITCHING CONTROLLER 30ns 30 ns Positive VOLTAGE-MODE 30V Step-Up, Step-Down, Step-Up/Step-Down PULSE WIDTH MODULATION SINGLE Buck, Boost, Flyback, Forward Converter 100 % 8.4V~30V Current Limit, Enable, Frequency Control, Ramp, Soft Start 340kHz~460kHz No 80%
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support