Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Diagram
- 2 Pin configuration
- 3 Maximum ratings
- 4 Electrical characteristics
- Table 5. Electrical characteristics of LD29080#15
- Table 6. Electrical characteristics of LD29080#18
- Table 7. Electrical characteristics of LD29080#25
- Table 8. Electrical characteristics of LD29080#33
- Table 9. Electrical characteristics of LD29080#50
- Table 10. Electrical characteristics of LD29080#80
- Table 11. Electrical characteristics of LD29080#90
- Table 12. Electrical characteristics of LD29080#ADJ
- 5 Typical characteristics
- Figure 5. Output voltage vs. temperature
- Figure 6. Reference voltage vs. temperature
- Figure 7. Dropout voltage vs. temperature
- Figure 8. Dropout voltage vs. output current
- Figure 9. Quiescent current vs. output current
- Figure 10. Quiescent current vs. temperature (Io = 10 mA)
- Figure 11. Quiescent current vs. supply voltage
- Figure 12. Quiescent current vs. temperature (Io = 800 mA)
- Figure 13. Short circuit current vs. temperature
- Figure 14. Adjust pin current vs. temperature
- Figure 15. Supply voltage rejection vs. temperature
- Figure 16. Output voltage vs. input voltage
- Figure 17. Stability vs. CO
- Figure 18. Line transient
- Figure 19. Load transient
- 6 Package mechanical data
- 7 Packaging mechanical data
- 8 Revision history

DocID10918 Rev 8 7/26
LD29080 Electrical characteristics
I
O
= 10 mA, (Note 4) T
J
= 25 °C, V
I
= 3.5 V, V
INH
= 2 V, C
I
= 330 nF, C
O
= 10 µF, unless
otherwise specified.
Note: 1 Guaranteed by design.
2 Dropout voltage is defined as the input-to-output differential when the output voltage drops
to 99% of its nominal value with V
O
+ 1 V applied to V
I
.
3 Reference voltage is measured between output and GND pins, with ADJ PIN tied to V
O
.
4 In order to avoid any output voltage rise within the whole operating temperature range, due
to output leakage current, a minimum load current of 2 mA is required.
Table 6. Electrical characteristics of LD29080#18
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
I
Operating input voltage I
O
= 10 mA to 800 mA 2.5 13 V
V
O
Output voltage
I
O
= 10 mA to 800 mA, V
I
= 3 to 7.3 V
T
J
= -40 to 125 °C
1.782 1.8 1.818
V
1.755 1.845
ΔV
O
Load regulation I
O
= 10 mA to 800 mA 0.2 1.0 %
ΔV
O
Line regulation V
I
= 3 to 13 V 0.06 0.5 %
SVR Supply voltage rejection
f = 120 Hz, V
I
= 3.8 ± 1 V, I
O
= 400 mA
(Note 1)
62 72 dB
V
DROP
Dropout voltage
I
O
= 150 mA, T
J
= -40 to 125 °C (Note 2)0.1
VI
O
= 400 mA, T
J
= -40 to 125 °C (Note 2)0.2
I
O
= 800 mA, T
J
= -40 to 125 °C (Note 2)0.40.7
I
q
Quiescent current
I
O
= 10 mA, T
J
= -40 to 125 °C 2 5
mAI
O
= 400 mA, T
J
= -40 to 125 °C 8 20
I
O
= 800 mA, T
J
= -40 to 125 °C 14 35
V
I
= 13 V, V
INH
= GND, T
J
= -40 to 125 °C 130 180 µA
I
sc
Short circuit current R
L
= 0 1.2 A
V
IL
Control input logic low OFF MODE, T
J
= -40 to 125 °C 0.8 V
V
IH
Control input logic high ON MODE, T
J
= -40 to 125 °C 2 V
I
INH
Control input current V
INH
= 13 V, T
J
= -40 to 125 °C 5 10 µA
eN Output noise voltage
B
P
= 10 Hz to 100 kHz, I
O
= 100 mA
(Note 1)
72 µV
RMS