LD1117AS12TR STMicroelectronics, LD1117AS12TR Datasheet
LD1117AS12TR
Specifications of LD1117AS12TR
LD1117AS12TR
Available stocks
Related parts for LD1117AS12TR
LD1117AS12TR Summary of contents
Page 1
Low drop fixed and adjustable positive voltage regulators Features ■ Low dropout voltage: – (1.15 V typ °C) OUT ■ Very low quiescent current: – typ °C) ■ Output current ...
Page 2
Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
LD1117Axx 1 Diagram Figure 1. Block diagram Doc ID 7194 Rev 22 Diagram 3/26 ...
Page 4
Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) SOT-223 Note: The TAB is connected to the V 4/26 TO-220 . OUT Doc ID 7194 Rev 22 LD1117Axx DPAK ...
Page 5
LD1117Axx 3 Maximum ratings Table 2. Absolute maximum ratings Symbol V DC input voltage IN P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP Note: Absolute maximum ratings are those values beyond which damage ...
Page 6
Schematic application 4 Schematic application Figure 3. Application circuit (for other fixed output voltages) 6/26 Doc ID 7194 Rev 22 LD1117Axx ...
Page 7
LD1117Axx 5 Electrical characteristics Refer to the test circuits, T GND, unless otherwise specified. Table 4. Electrical characteristics of LD1117A#12 Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation O ΔV Temperature ...
Page 8
Electrical characteristics Refer to the test circuits, T specified. Table 5. Electrical characteristics of LD1117A#18 Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation O ΔV Temperature stability O ΔV Long term ...
Page 9
LD1117Axx Refer to the test circuits, T specified. Table 6. Electrical characteristics of LD1117A#25 Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation O ΔV Temperature stability O ΔV Long term stability ...
Page 10
Electrical characteristics Refer to the test circuits, T specified. Table 7. Electrical characteristics of LD1117A#33 Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation O ΔV Temperature stability O ΔV Long term ...
Page 11
LD1117Axx Refer to the test circuits, T specified. Table 8. Electrical characteristics of LD1117A (Adjustable) Symbol Parameter V Output voltage O V Output voltage O ΔV Line regulation O ΔV Load regulation O ΔV Temperature stability O ΔV Long term ...
Page 12
Typical application 6 Typical application Figure 4. Negative supply Figure 5. Active terminator for SCSI-2 bus Figure 6. Circuit for increasing output voltage 12/26 Doc ID 7194 Rev 22 LD1117Axx ...
Page 13
LD1117Axx Figure 7. Voltage regulator with reference Figure 8. Battery backed-up regulated supply Doc ID 7194 Rev 22 Typical application 13/26 ...
Page 14
Typical application Figure 9. Post-regulated dual supply 14/26 Doc ID 7194 Rev 22 LD1117Axx ...
Page 15
LD1117Axx 7 LD1117A adjustable: application note The LD1117A adjustable has a thermal stabilized 1.25 ± 0.012 V reference voltage between the OUT and ADJ pins normally fixed to 120 Ω. From ...
Page 16
Package mechanical data 8 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...
Page 17
LD1117Axx Figure 12. Drawing dimension TO-220 (type STD-ST Dual Gauge) Note: 1 Maximum resin gate protrusion: 0.5 mm. 2 Resin gate position is accepted in each of the two positions shown on the drawing, or their symmetrical. Doc ID 7194 ...
Page 18
Package mechanical data Figure 13. Drawing dimension TO-220 (type STD-ST Single Gauge) 18/26 Doc ID 7194 Rev 22 LD1117Axx 8174627_B ...
Page 19
LD1117Axx Figure 14. Drawing dimension tube for TO-220 Dual Gauge (mm.) Figure 15. Drawing dimension tube for TO-220 Single Gauge (mm.) Doc ID 7194 Rev 22 Package mechanical data 19/26 ...
Page 20
Package mechanical data Dim. Min 0.02 B 0.6 B1 2.9 c 0. 3.3 H 6.7 V 20/26 SOT-223 mechanical data mm. Typ. Max. 1.8 0.1 0.7 0.85 3 3.15 0.26 0.35 6.5 6.7 ...
Page 21
LD1117Axx Dim. Min. A 2.2 A1 0.9 A2 0.03 B 0.64 b4 5.2 C 0. 4 (L1 0 0° DPAK mechanical data ...
Page 22
Package mechanical data Tape & reel SOT223 mechanical data Dim. Min 12 6.73 Bo 7.32 Ko 1.78 Po 3.9 P 7.9 22/26 mm. Typ. Max. Min. 330 13.0 13.2 0.504 0.795 2.362 ...
Page 23
LD1117Axx Tape & reel DPAK-PPAK mechanical data Dim. Min 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 mm. Typ. Max. 330 13.0 13.2 0.504 0.795 2.362 22.4 6.90 7.00 0.268 ...
Page 24
... Order codes 9 Order codes Table 10. Order codes SOT-223 LD1117AS12TR LD1117AS18TR LD1117AS25TR LD1117AS33TR LD1117ASTR 24/26 Packages DPAK TO-220 LD1117ADT12TR LD1117ADT18TR LD1117ADT25TR LD1117ADT33TR LD1117AV33 LD1117ADT-TR Doc ID 7194 Rev 22 LD1117Axx Output voltage 1.2 V 1.8 V 2.5 V 3.3 V Adjustable from 1. ...
Page 25
LD1117Axx 10 Revision history Table 11. Document revision history Date Revision 29-Sep-2004 11 12-Oct-2004 12 21-Apr-2005 13 05-Jul-2005 14 10-Feb-2006 15 20-Dec-2006 16 19-Jan-2007 17 28-May-2007 18 07-Jun-2007 19 15-Apr-2008 20 28-Jul-2009 21 05-Jul-2010 22 Add new part number. Mistake ...
Page 26
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...