SC121ULTRT Semtech, SC121ULTRT Datasheet - Page 7

• Manufacturer Part Number: SC121ULTRT
• Description: IC BOOST SYNC 1.2A MLPD-6
• Manufacturer: Semtech
• Type: Step-Up (Boost)r

Specifications of SC121ULTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 1.8 ~ 5 V
• Current - Output: 1.2A
• Frequency - Switching: 1.2MHz
• Voltage - Input: 0.7 ~ 4.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-MLPD-UT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC121ULTRTTR

Typical Characteristics — V
3.34
3.32
3.28
3.26
3.24
3.22
3.34
3.32
3.28
3.26
3.24
3.22
100
3.3
3.2
3.3
3.2
90
80
70
60
50
40
30
20
10
0
0.1 0.2
0.6
0
FB grounded, L = 4.7 μ H, T
FB grounded, L = 4.7 μ H, T
FB grounded, L = 4.7 μ H, I
Line Regulation — Low Load (V
T
0.8
A
50
= 25°C
1
0.5
100
Load Regulation (V
Effi ciency vs. I
1.2
V
1
IN
150
= 1.0V
V
1.4
2
IN
= 2.95V
V
200
IN
1.6
T
OUT
= 2.95V
A
A
A
I
I
5
OUT
OUT
= 85°C
= 25
= 25
V
= 1mA
IN
250
1.8
(mA)
(mA)
OUT
ο
(V)
10
ο
C
C
V
IN
T
(V
2
300
A
20
= 2.0V
= –40°C
V
OUT
OUT
OUT
IN
2.2
= 1.0V
350
= 3.3V)
= 3.3V)
50
= 3.3V
2.4
OUT
100 200
400
2.6
= 3.3V)
V
IN
450
= 2.0V
2.8
500
500
3
3.34
3.32
3.28
3.26
3.24
3.22
3.34
3.32
3.28
3.26
3.24
3.22
3.3
3.2
100
3.3
3.2
90
80
70
60
50
40
30
20
10
0
0.6
0.1 0.2
0
FB grounded, L = 4.7 μ H, V
FB grounded, L = 4.7 μ H, V
FB grounded, L = 4.7 μ H, I
Line Regulation — High Load (V
0.8
50
1
0.5
100
Effi ciency vs. I
Load Regulation (V
1.2
1
150
T
A
T
= 25°C
A
1.4
2
= –40°C
200
1.6
OUT
IN
IN
I
I
T
5
OUT
OUT
= 2V
A
= 2V
V
= 90mA
= 85°C
IN
250
1.8
(mA)
OUT
(mA)
(V)
10
T
A
(V
2
300
= 85°C
20
OUT
OUT
T
2.2
A
T
350
= 25°C
= 3.3V)
= 3.3V)
A
50
= 25°C
T
2.4
A
T
A
= 85°C
OUT
100 200
= –40°C
400
2.6
SC121
= 3.3V)
T
A
450
= –40°C
2.8
500
500
3
7