ST2L05-1800PT STMicroelectronics, ST2L05-1800PT Datasheet - Page 18
![IC REG LDO DUAL 1.8V/ADJ 5-PPAK](/photos/7/42/74239/497-ppak_series_sml.jpg)
ST2L05-1800PT
Manufacturer Part Number
ST2L05-1800PT
Description
IC REG LDO DUAL 1.8V/ADJ 5-PPAK
Manufacturer
STMicroelectronics
Datasheet
1.ST2L05R3300PS.pdf
(24 pages)
Specifications of ST2L05-1800PT
Regulator Topology
Positive Fixed and Adjustable
Voltage - Output
1.8V, 1.25 ~ 5.7 V
Voltage - Input
4.5 ~ 7 V
Voltage - Dropout (typical)
1.1V @ 1A
Number Of Regulators
2
Current - Output
1A
Current - Limit (min)
1A
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
PPAK (4 leads + tab)
Number Of Outputs
2
Polarity
Positive
Input Voltage Max
7 V
Output Voltage
1.8 V, 1.225 V to 1.275 V
Output Type
Adjustable, Fixed
Dropout Voltage (max)
1.3 V at 1 A
Output Current
1 A, 1 A
Line Regulation
0.35 %
Load Regulation
0.4 %
Voltage Regulation Accuracy
2 %
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Reference Voltage
1.275 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-3572-5
ST2L05
Figure 25 : Change of V
Change
V
T
Figure 26 : Change of V
Change
V
T
18/24
I
J
I
J
=5V, I
=5V, I
=25°C, t
=25°C, t
O
O
=1mA to 1A, C
=1A to 1mA, C
RISE
FALL
=t
=1µs
FALL
=1µs
O
O
=10 F, C
=10 F, C
O
O
with Step Load
I
with Step Load
I
=22 F all ceramic X5R,
=22 F all ceramic X5R,
Figure 27 : Start-Up Transient
V
t
Figure 28 : Start-Up Transient
V
t
RISE
RISE
I
I
=0 to 5V, I
=0 to 5V, I
1µs
1µs
O
O
=1mA, C
=1A, C
O
O
=10 F, C
=10 F, C
I
=22 F all ceramic X5R, T
I
=22 F all ceramic X5R, T
J
J
=25°C,
=25°C,