ST2L05-1800PT STMicroelectronics, ST2L05-1800PT Datasheet - Page 6
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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
OUTPUT1 AND OUTPUT2 DUAL SPECIFICATION (I
C
ELECTRICAL CHARACTERISTICS OF FIXED OUTPUT 1.5V (I
V
NOTE 1: Bandwidth of 10 Hz to 10KHz.
NOTE 2: 120Hz input ripple.
NOTE 3: C
NOTE 4: Guaranteed by design, not tested in production.
NOTE 5: % undershoot or overshoot of V
6/24
Symbol
DT
I
T
I
Symbol
I
I
V
= 4.5V to 7V, C
= 4.7µF, C
SHDN
V
V
I
GND
GND
I
SVR
SHDN
OMIN
ST
O1
V
V
V
e
O
O
T
I
V
V
S
S
S
N
O
O
D
R
/ I
/ I
/ V
O
O
O
O
I
I
= 20µF, C
Quiescent Current (Fixed/ADJ)
Quiescent Current (Fixed/Fixed) V
Total Current Limit I
Thermal Shutdown
Thermal Shutdown Hysteresis
Output Voltage 1.5V
Output Voltage 1.5V
Line Regulation
Load Regulation
Dropout Voltage V
Current Limit
Min Output Current for
regulation
RMS Output Noise
Supply Voltage
Rejection
Transient Response
Change of V
load change
Transient Response
Change of V
application of V
Transient Response Short
Circuit Removal
Response
Thermal Regulation
Temperature Stability
Long Term Stability
(1000Hrs)
O1
= C
1
and C
I
Parameter
Parameter
= 4.7µF, C
O2
(2)(4)
(3)(4)
(3)(4)
O
OUT1
O2
= 4.7 F, otherwise specified)
with step
I
= 10µF. C
(3)(4)
O1
with
(1)(4)
O
(4)
(4)
+ I
O1
= -1% I
(4)
O
O2
.
I
, C
= C
O1
O2
I
T = 25°C
I
V
V
V
T = 25°C
V
V
V
0 to 5V step input, I
t
V
I
T
and C
O
O
O
r
O
J
I
I
I
I
I
I
I
= 5mA to 1A, V
= 5mA to 1A, V
= 4.75 to 5.25V, I
= 4.75V, I
= 1A
= 5.5V
= 5V
= 5V, I
= 5V, I
= 5V, I
= 1A, t
V
= 4.7 F, otherwise specified)
= 125°C
1µs
I
I
O2
7V
7V
are all X7R ceramic capacitors.
O
O
O
PULSE
= 1mA to 1A, t
= 1A to 1mA, t
= short to I
Test Conditions
O
Test Conditions
= 10mA to 1A
= 30ms
I
I
OUT1,2
OUT1,2
I
I
= 4.75 to 5.25V
= 4.75 to 5.25V
O
O
O
= 5mA to 1A
= 1mA to 1A,
= 10mA to 1A, T
O
= 5mA to 1A
= 5mA to 1A
= 10mA
r
f
1µs
1µs
O
= 10mA to 1A, T
J
= 0 to 125°C, V
1.455
Min.
Min.
1.47
60
2
1
0.003
Typ.
Typ.
175
J
1.5
1.5
0.1
0.5
0.3
5
= 0 to 125°C,
I
1.545
Max.
Max.
10
10
10
20
= 4.5V to 7V,
1.53
1.3
15
12
5
7
0
(5)
(5)
(5)
(5)
%/W
Unit
Unit
mA
mA
mV
mV
mA
dB
°C
°C
%
%
%
%
%
%
A
V
V
V
A