SC1453ISK18TRT Semtech, SC1453ISK18TRT Datasheet - Page 10

• Manufacturer Part Number: SC1453ISK18TRT
• Description: IC LDO REG 1.8V 150MA SOT-23-5
• Manufacturer: Semtech

Specifications of SC1453ISK18TRT

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.25 ~ 6.5 V
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 400mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Other names: SC1453ISK1.8TRT; SC1453ISK18TR

POWER MANAGEMENT
Typical Characteristics (Cont.)
Bypass Start-up Rise Time vs. Junction Temperature
2008 Semtech Corp.
200
175
150
125
100
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
75
50
25
0
-50
-50
-50
Dropout Voltage vs. Junction Temperature
V
C
IN
BYP
= V
= 10nF
Reverse Battery Protection vs.
EN
-25
-25
-25
= -6.5V
Junction Temperature
vs. Output Current
vs. Input Voltage
0
0
0
V
V
IN
IN
= 3.8V
= 6.5V
25
25
25
T
T
T
J
J
J
(°C)
(°C)
(°C)
NOT RECOMMENDED FOR NEW DESIGN
50
50
50
75
75
75
I
I
OUT
OUT
= 150mA
= 50mA
100
100
100
125
125
125
10
200
175
150
125
100
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.001
75
50
25
0.01
Output Spectral Noise Density vs. Frequency
0
Enable Input Threshold Voltage vs. Junction
0.1
-50
10
1
0
0.01
V
V
V
V
IH
IH
IL
IL
Top to bottom:
V
V
V
V
V
V
Dropout Voltage vs. Output Current
@ V
@ V
@ V
@ V
OUT
OUT
OUT
OUT
OUT
OUT
vs. Output Voltage, C
Temperature vs. Input Voltage
-25
= 3.3V
= 3.0V
= 2.8V
= 2.5V
= 1.8V
= 1.5V
IN
IN
IN
IN
25
= 6.5V
= 3.8V
= 6.5V
= 3.8V
vs. Junction Temperature
0.1
0
50
25
1
I
OUT
T
f (kHz)
J
75
(°C)
(mA)
50
OUT
10
100
= 1µF
75
www.semtech.com
SC1453
V
I
C
C
T
OUT
Top to bottom:
T
T
T
IN
J
IN
BYP
100
J
J
J
= 25°C
= V
= 1µF
= 125°C
= 25°C
= -40°C
125
= 1mA
= 10nF
100
OUT
+ 1V
1000
150
125