LK112SM18TR STMicroelectronics, LK112SM18TR Datasheet - Page 6

• Manufacturer Part Number: LK112SM18TR
• Description: IC REG LDO 200MA 1.8V SOT23-5
• Manufacturer: STMicroelectronics

Specifications of LK112SM18TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.5 ~ 14 V
• Number Of Regulators: 1
• Current - Output: 200mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 14 V
• Output Voltage: 1.8 V
• Output Type: Fixed
• Dropout Voltage (max): 0.5 V at 200 mA
• Output Current: 200 mA
• Line Regulation: 40 mV
• Load Regulation: 90 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Details
• Other names: 497-7811-2; LK112SM18TR

4
Table 5.
1. For version with output voltage less than 2V V
2. Only for version with output voltage more than 2.1V
6/17
Symbol
ΔV
V
I
SVR
SHDN
ΔV
ΔV
SHDN
I
V
eN
V
SC
O
I
d
O
d
O
O
/T
J
Quiescent current
Output voltage
Line regulation
Load regulation
Dropout voltage
Short circuit current
Supply voltage rejection
Output noise voltage
Shutdown input current
Shutdown input logic
Output voltage
temperature coefficient
Electrical characteristics
Electrical characteristics for LK112S (T
V
SHDN
Parameter
= 1.8 V, C
I
= 1 µF, C
ON MODE (except I
OFF MODE, V
I
V
V
I
I
I
I
V
C
B= 10Hz to 80kHz, C
C
V
Output ON
Output OFF
I
O
O
O
O
O
O
I
I
I
SHDN
O
O
= V
= V
= V
= 30mA
= 1 to 60mA
= 1 to 200mA
= 60 mA
= 200 mA
= 10mA
= 10µF, f = 400Hz, I
= 10µF, V
O
IN
O
O
O
=2.4V
= 1.8V, Output ON
+1V to V
+1V to V
+1.5V, C
= 2.2 µF, C
(2)
Test conditions
(2)
I
= V
I
= 8V, V
O
O
BYP
+6V, V
+6V, V
O
+1.5V, I
BYPASS
SHDN
= 0.1µF
BYP
J
SHDN
O
= 25 °C, V
O
O
)
= 30mA
= 0.1µF
≤ 5.6V
> 5.6V
O
= 0.1 µF unless otherwise specified)
= 60mA
= 0V
IN
=V
OUT
Min.
200
+1 V
1.8
(see table)
(1)
Typ.
0.17
0.35
0.09
, I
175
0.7
0.8
15
30
55
30
12
0
OUT
= 0mA,
Max.
0.24
250
0.1
0.5
0.6
20
40
30
90
35
µVrms
mV/°C
Unit
mV
mV
mV
mV
mA
µA
µA
dB
µA
V
V
V