LD1117: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.)
Product Specifications
DescriptionVersionSize
DS0517: Adjustable and fixed low drop positive voltage regulator33.01 MB
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
LD1117V-DGTO-220Tube01250.3161000NECEAR99CHINA
LD1117DT50TRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117D33TRSO-8Tape And Reel01250.1941000NECEAR99CHINA
LD1117D33CTRSO-8Tape And Reel01250.1631000NECEAR99CHINA
LD1117DT18TRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117DT33TRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117S50TRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117S18CTRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117S12CTRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117STRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117S25CTRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117V33C-DGTO-220Tube01250.3431000NECEAR99CHINA
LD1117DT33CTRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117V50-DGTO-220Tube01250.3161000NECEAR99CHINA
LD1117DT50CTRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117DT12CTRDPAKTape And Reel01250.1611000NECEAR99CHINA
LD1117S25TRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117V33-DGTO-220Tube01250.3051000NECEAR99CHINA
LD1117S33CTRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117V33TO-220ABTube01250.2421000NECEAR99CHINA
LD1117S18TRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117DT25CTRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117DTTRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117DT18CTRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117S33TRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117S50CTRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117V50CTO-220ABTube01250.2261000NECEAR99CHINA
LD1117DT25TRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117V33CTO-220ABTube01250.231000NECEAR99CHINA
LD1117SC-RSOT-223Tape And Reel01250.1491000NECEAR99CHINA
LD1117DT12TRDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117VTO-220ABTube01250.2421000NECEAR99CHINA
LD1117V50TO-220ABTube01250.2421000NECEAR99CHINA
LD1117V18TO-220ABTube01250.2421000NECEAR99CHINA
LD1117DTC-RDPAKTape And Reel01250.1551000NECEAR99CHINA
LD1117S12TRSOT-223Tape And Reel01250.1491000NECEAR99CHINA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
LD1117V-DGTO-220IndustrialEcopack1
LD1117DT50TRDPAKIndustrialEcopack2
LD1117D33TRSO-8IndustrialEcopack2md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_pzo7-wspc-ks33aa6.pdf
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_pzo7-wspc-ks33aa6.xml
LD1117D33CTRSO-8IndustrialEcopack2
LD1117DT18TRDPAKIndustrialEcopack2md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.pdf
md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.xml
LD1117DT33TRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6-wspc-locked.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6.xml
LD1117S50TRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfll-wspc-ks05aa6_vers2_sdm_signed.pdf
md_ll-wspc-sot-wspc-223_rfll-wspc-ks05aa6_vers2_sdm.xml
LD1117S18CTRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2_signed.pdf
md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2.xml
LD1117S12CTRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.pdf
md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.xml
LD1117STRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.pdf
md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.xml
LD1117S25CTRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2_signed.pdf
md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2.xml
LD1117V33C-DGTO-220IndustrialEcopack1md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.pdf
md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.xml
LD1117DT33CTRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6-wspc-locked.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6.xml
LD1117V50-DGTO-220IndustrialEcopack1
LD1117DT50CTRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak_hzgrks05aaw.pdf
md_gr-wspc-to-252-wspc-dpak_hzgrks05aaw.xml
LD1117DT12CTRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.xml
LD1117S25TRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2_signed.pdf
md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2.xml
LD1117V33-DGTO-220IndustrialEcopack1md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.pdf
md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.xml
LD1117S33CTRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm_signed.pdf
md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm.xml
LD1117V33TO-220ABIndustrialEcopack2md_ik-wspc-ipak-wspc-to-251_txik-wspc-mq6fb62.pdf
md_ik-wspc-ipak-wspc-to-251_txik-wspc-mq6fb62.xml
LD1117S18TRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2_signed.pdf
md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2.xml
LD1117DT25CTRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6-wspc-locked.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6.xml
LD1117DTTRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaaw_vers2_sdm_signed.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaaw_vers2_sdm.xml
LD1117DT18CTRDPAKIndustrialEcopack2md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.pdf
md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.xml
LD1117S33TRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm_signed.pdf
md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm.xml
LD1117S50CTRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfllks05aaw-wspc-(ld1117s50ctr)-wspc-wcp-wspc-ver2_signed.pdf
md_ll-wspc-sot-wspc-223_rfllks05aaw-wspc-(ld1117s50ctr)-wspc-wcp-wspc-ver2.xml
LD1117V50CTO-220ABIndustrialEcopack2
LD1117DT25TRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6-wspc-locked.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6.xml
LD1117V33CTO-220ABIndustrialEcopack2md_)k-wspc-to-wspc-220-wspc-sg_mz)k-wspc-ks33aa6_vers2_sdm_signed.pdf
md_)k-wspc-to-wspc-220-wspc-sg_mz)k-wspc-ks33aa6_vers2_sdm.xml
LD1117SC-RSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.pdf
md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.xml
LD1117DT12TRDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.xml
LD1117VTO-220ABIndustrialEcopack2
LD1117V50TO-220ABIndustrialEcopack2
LD1117V18TO-220ABIndustrialEcopack2
LD1117DTC-RDPAKIndustrialEcopack2md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaa6_vers2_signed.pdf
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaa6_vers2.xml
LD1117S12TRSOT-223IndustrialEcopack2md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.pdf
md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.xml
Adjustable and fixed low drop positive voltage regulator LD1117
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_pzo7-wspc-ks33aa6.pdf LD1117
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_pzo7-wspc-ks33aa6.xml LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ks05aa6_vers2_sdm_signed.pdf LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ks05aa6_vers2_sdm.xml LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6-wspc-locked.pdf LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks33aa6.xml LD1117
md_gr-wspc-to-252-wspc-dpak_hzgrks05aaw.pdf LD1117
md_gr-wspc-to-252-wspc-dpak_hzgrks05aaw.xml LD1117
md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2_signed.pdf LD1117
md_ll-wspc-sot-wspc-223_rfllks25aa6-wspc-(ld1117s25ctr)_a_ver2.xml LD1117
md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.pdf LD1117
md_80-wspc-to-wspc-220-wspc-cu-wspc-wire-wspc-on-wspc-cu_mz80-wspc-ks33aa6.xml LD1117
md_ik-wspc-ipak-wspc-to-251_txik-wspc-mq6fb62.pdf LD1117
md_ik-wspc-ipak-wspc-to-251_txik-wspc-mq6fb62.xml LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2_signed.pdf LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ks18aa6-wspc-(ld1117s18ctr)-wspc-wcp-wspc-ver2.xml LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaaw_vers2_sdm_signed.pdf LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaaw_vers2_sdm.xml LD1117
md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.pdf LD1117
md_gr-wspc-to-wspc-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks18aa6.xml LD1117
md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm_signed.pdf LD1117
md_ll-wspc-sot-wspc-223_hwll-wspc-ks33aa6_vers2_sdm.xml LD1117
md_ll-wspc-sot-wspc-223_rfllks05aaw-wspc-(ld1117s50ctr)-wspc-wcp-wspc-ver2_signed.pdf LD1117
md_ll-wspc-sot-wspc-223_rfllks05aaw-wspc-(ld1117s50ctr)-wspc-wcp-wspc-ver2.xml LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6-wspc-locked.pdf LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks25aa6.xml LD1117
md_)k-wspc-to-wspc-220-wspc-sg_mz)k-wspc-ks33aa6_vers2_sdm_signed.pdf LD1117
md_)k-wspc-to-wspc-220-wspc-sg_mz)k-wspc-ks33aa6_vers2_sdm.xml LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.pdf LD1117
md_ll-wspc-sot-wspc-223_rfll-wspc-ksadaa6.xml LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.pdf LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ks12aa6.xml LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaa6_vers2_signed.pdf LD1117
md_gr-wspc-to-252-wspc-dpak-wspc-cu-wspc-wire_hzgr-wspc-ksadaa6_vers2.xml LD1117
md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.pdf LD1117
md_ll-wspc-sot-wspc-223_hwll-wspc-ks12aa6_.xml LD1117