ST2L05-1800PT STMicroelectronics, ST2L05-1800PT Datasheet - Page 4
![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
ABSOLUTE MAXIMUM RATINGS
(*) Storage temperatures > 125°C are only acceptable if the Dual Regulator is soldered to a PCBA.
Absolute Maximum Ratings are those beyond which damage to the device may occur. Functional operation under these condition is not im-
plied.
RECOMMENDED OPERATING CONDITIONS
THERMAL DATA
CONNECTION DIAGRAM (top view for PPAK and SPAK, top through view for DFN8)
PIN DESCRIPTION
4/24
Symbol
R
R
Symbol
Symbol
T
thj-case
thj-amb
t
t
I
T
RISE
FALL
PPAK/SPAK
OSH
T
LEAD
P
V
V
stg
op
V
D
I
I
I
1
2
3
4
5
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Operating Input Voltage
Power Dissipation
Short Circuit Output Current - 3.3 V and adjustable output
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
Input Voltage
Input Voltage Ripple
Input Voltage Rise Time (from 10% to 90%)
Input Voltage Fall Time (from 10% to 90%)
PPAK
1, 2, 6
DFN
3
4
8
5
7
Parameter
Parameter
Parameter
ADJ/N.C.
Symbol
(*)
GND
V
V
NC
V
O2
O1
I
Bypass with a 4.7µF capacitor to GND
Resistor divider connection/Not Connected
Ground
Adjustable output voltage: bypass with a 4.7µF capacitor to GND
Fixed output voltage: bypass with a 4.7µF capacitor to GND
Not Connected
SPAK
SPAK
26
2
Name and Function
DFN
36
2
Internally Limited
Internally Limited
-65 to 150
0 to 150
DFN8
4.5 to 7
± 0.15
Value
Value
260
10
1
1
PPAK
100
8
µsec
µsec
°C/W
°C/W
Unit
Unit
Unit
°C
°C
°C
V
V
V