Adjustable and fixed low drop positive voltage regulator

The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current, available even in adjustable version (VREF= 1.25 V). Concerning fixed versions, are offered the following output voltages: 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V and 5.0 V. The device is supplied in: SOT-223, DPAK, SO-8 and TO-220. The SOT-223 and DPAK surface mount packages optimize the thermal characteristics even offering a relevant space saving effect. High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current flows mostly into the load. Only a very common 10 μF minimum capacitor is needed for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C. The adjustable LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better performances in terms of drop and tolerance.

Key Features

  • Low dropout voltage (1 V typ.)
  • 2.85 V device performances are suitable for SCSI-2 active termination
  • Output current up to 800 mA
  • Fixed output voltage of: 1.2 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V
  • Adjustable version availability (VREF = 1.25 V)
  • Internal current and thermal limit
  • Available in ± 1 % (at 25 °C) and 2 % in full temperature range
  • Supply voltage rejection: 75 dB (typ.)

リソース

技術文書

製品スペック
Description バージョン サイズ
DS0517 DS0517: Adjustable and fixed low drop positive voltage regulator 33.0 1 MB
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サンプル & 購入

製品型番 パッケージ Packing Type Operating Temperature (°C) (min) Operating Temperature (°C) (max) Marketing Status Unit Price (US$) * 数量 ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
LD1117V-DG TO-220 Tube 0 125 Active 0.316 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT50TR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117D33TR SO-8 Tape And Reel 0 125 Active 0.194 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117D33CTR SO-8 Tape And Reel 0 125 Active 0.163 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT18TR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT33TR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S50TR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S18CTR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S12CTR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117STR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S25CTR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V33C-DG TO-220 Tube 0 125 Active 0.343 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT33CTR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V50-DG TO-220 Tube 0 125 Active 0.316 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT50CTR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT12CTR DPAK Tape And Reel 0 125 Active 0.161 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S25TR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V33-DG TO-220 Tube 0 125 Active 0.305 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S33CTR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V33 TO-220AB Tube 0 125 Active 0.242 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S18TR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT25CTR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DTTR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT18CTR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S33TR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S50CTR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V50C TO-220AB Tube 0 125 Active 0.226 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT25TR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V33C TO-220AB Tube 0 125 Active 0.23 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117SC-R SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DT12TR DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V TO-220AB Tube 0 125 Active 0.242 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V50 TO-220AB Tube 0 125 Active 0.242 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117V18 TO-220AB Tube 0 125 Active 0.242 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117DTC-R DPAK Tape And Reel 0 125 Active 0.155 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
LD1117S12TR SOT-223 Tape And Reel 0 125 Active 0.149 1000 NEC EAR99 CHINA MORE INFO DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

品質 & 信頼性

製品型番 Marketing Status パッケージ Grade RoHS Compliance Grade Material Declaration**
LD1117V-DG アクティブTO-220IndustrialEcopack1
LD1117DT50TR アクティブDPAKIndustrialEcopack2
LD1117D33TR アクティブSO-8IndustrialEcopack2 0 0
LD1117D33CTR アクティブSO-8IndustrialEcopack2
LD1117DT18TR アクティブDPAKIndustrialEcopack2 0 0
LD1117DT33TR アクティブDPAKIndustrialEcopack2 0 0
LD1117S50TR アクティブSOT-223IndustrialEcopack2 0 0
LD1117S18CTR アクティブSOT-223IndustrialEcopack2 0 0
LD1117S12CTR アクティブSOT-223IndustrialEcopack2 0 0
LD1117STR アクティブSOT-223IndustrialEcopack2 0 0
LD1117S25CTR アクティブSOT-223IndustrialEcopack2 0 0
LD1117V33C-DG アクティブTO-220IndustrialEcopack1 0 0
LD1117DT33CTR アクティブDPAKIndustrialEcopack2 0 0
LD1117V50-DG アクティブTO-220IndustrialEcopack1
LD1117DT50CTR アクティブDPAKIndustrialEcopack2 0 0
LD1117DT12CTR アクティブDPAKIndustrialEcopack2 0 0
LD1117S25TR アクティブSOT-223IndustrialEcopack2 0 0
LD1117V33-DG アクティブTO-220IndustrialEcopack1 0 0
LD1117S33CTR アクティブSOT-223IndustrialEcopack2 0 0
LD1117V33 アクティブTO-220ABIndustrialEcopack2 0 0
LD1117S18TR アクティブSOT-223IndustrialEcopack2 0 0
LD1117DT25CTR アクティブDPAKIndustrialEcopack2 0 0
LD1117DTTR アクティブDPAKIndustrialEcopack2 0 0
LD1117DT18CTR アクティブDPAKIndustrialEcopack2 0 0
LD1117S33TR アクティブSOT-223IndustrialEcopack2
LD1117S50CTR アクティブSOT-223IndustrialEcopack2 0 0
LD1117V50C アクティブTO-220ABIndustrialEcopack2
LD1117DT25TR アクティブDPAKIndustrialEcopack2 0 0
LD1117V33C アクティブTO-220ABIndustrialEcopack2 0 0
LD1117SC-R アクティブSOT-223IndustrialEcopack2 0 0
LD1117DT12TR アクティブDPAKIndustrialEcopack2 0 0
LD1117V アクティブTO-220ABIndustrialEcopack2
LD1117V50 アクティブTO-220ABIndustrialEcopack2
LD1117V18 アクティブTO-220ABIndustrialEcopack2
LD1117DTC-R アクティブDPAKIndustrialEcopack2 0 0
LD1117S12TR アクティブSOT-223IndustrialEcopack2 0 0
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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