LD1085P STMicroelectronics, LD1085P Datasheet
LD1085P
Specifications of LD1085P
LD1085P
Available stocks
Related parts for LD1085P
LD1085P Summary of contents
Page 1
TYPICAL DROPOUT 1.3V (AT 3A) I THREE TERMINAL ADJUSTABLE OR FIXED I OUTPUT VOLTAGE 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 3.6V, 5V, 8V, 9V, 12V. GUARANTEED OUTPUT CURRENT OUPUT TOLERANCE ±1% AT 25°C AND I ±2% IN ...
Page 2
... LD1085V25 LD1085P25 LD1085V28 LD1085P28 LD1085V33 LD1085P33 LD1085V36 LD1085P36 LD1085V50 LD1085P50 LD1085V80 LD1085P80 LD1085V90 LD1085P90 LD1085V12 LD1085P12 LD1085V LD1085P (*) Available in Tape & Reel with the suffix "R" for fixed version and "-R" for adjustable version. Table 2: Absolute Maximum Ratings Symbol V DC Input Voltage ...
Page 3
Table 3: Thermal Data Symbol R Thermal Resistance Junction-case thj-case R Thermal Resistance Junction-ambient thj-amb Figure 3: Application Circuits Table 4: Electrical Characteristics Of LD1085#15 (V otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load ...
Page 4
LD1085 SERIES Table 5: Electrical Characteristics Of LD1085#18 (V otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation ...
Page 5
Table 7: Electrical Characteristics Of LD1085#285 (V unless otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation SVR ...
Page 6
LD1085 SERIES Table 9: Electrical Characteristics Of LD1085#36 (V otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation ...
Page 7
Table 11: Electrical Characteristics Of LD1085#80 (V otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation SVR Supply ...
Page 8
LD1085 SERIES Table 13: Electrical Characteristics Of LD1085#12 (V otherwise specified.) Symbol Parameter V Output Voltage O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation ...
Page 9
TYPICAL CHARACTERISTICS (unless otherwise specified T Figure 4: Output Voltage vs Temperature Figure 5: Output Voltage vs Temperature Figure 6: Output Voltage vs Temperature = 25° =10µ Figure 7: Short Circuit Current vs Dropout Voltage ...
Page 10
LD1085 SERIES Figure 10: Dropout Voltage vs Temperature Figure 11: Dropout Voltage vs Output Current Figure 12: Adjust Pin Current vs Temperature 10/19 Figure 13: Quiescent Current vs Temperature Figure 14: Dropout Voltage vs Output Current Figure 15: Supply Voltage ...
Page 11
Figure 16: Supply Voltage Rejection vs Frequency Figure 17: Supply Voltage Rejection vs Temperature Figure 18: Minimum Load Current vs Temperature Figure 19: Stability Figure 20: Stability Figure 21: Line Transient V =12 to 13V, I =200mA 1µF(tant), ...
Page 12
LD1085 SERIES Figure 22: Line Transient V =12 to 13V, I =200mA 1µF(tant =1µF ADJ Figure 23: Load Transient V = =0. 1µF(tant ...
Page 13
TO-220 MECHANICAL DAT A DIM. MIN. A 4.40 C 1. 0.49 F 0.61 F1 1.14 F2 1.14 G 4.95 G1 2 13.0 L5 2.65 L6 15.25 L7 6.2 L9 3.5 DIA. 3.75 ...
Page 14
LD1085 SERIES DIM. MIN. A 4.40 B 2.5 D 2.5 E 0.45 F 0.75 F1 1.15 F2 1.15 G 4.95 G1 2 28.6 L4 9.8 L5 2 DIA. 3 14/19 TO-220FP MECHANICAL ...
Page 15
D DIM. MIN. A 4.4 A1 2.49 A2 0.03 B 0.7 B2 1.14 C 0.45 C2 1. 1.27 L3 1 0˚ 2 PAK MEC HANICAL ...
Page 16
LD1085 SERIES DIM. MIN. A 4.40 A1 2.49 A2 0.03 B 0.7 B1 0.8 B2 1.14 C 0.45 C2 1. 1. 0° 16/ ...
Page 17
Ta pe & Reel D PAK-P DIM. MIN 12 10.50 Bo 15.70 15.80 Ko 4.80 Po 3 PAK-D PAK/A-P PAK/A MECHANICAL DATA mm. TYP MAX. 180 ...
Page 18
LD1085 SERIES Table 15: Revision History Date Revision 07-Oct-2004 12 08-Feb-2005 13 01-Mar-2005 14 18/19 Description of Changes Mistake Order Codes - Table 1. Mistake U.M. Load Regulation - V ==> mV. Version 1.2V removed. ...
Page 19
... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...