SC121ULTRT Semtech, SC121ULTRT Datasheet - Page 10

• 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
4.05
3.95
3.85
4.1
3.9
4
500
450
400
350
300
250
200
150
100
50
0
-50
Temperature Reg. — Low Load (V
R
R
1
1
0.8
= 976k Ω , R
= 976k Ω , R
-25
Max. I
1.2
2
2
= 412k Ω , L = 4.7 μ H, C
= 412k Ω , L = 4.7 μ H, C
Junction Temperature (
OUT
T
V
A
1.6
IN
0
= 85°C
= 3.6V
vs. V
T
A
= –40°C
IN
V
V
2
IN
IN
25
(V
= 1.2V
(V)
OUT
2.4
= 4.0V)
FB
FB
OUT
= 22pF, I
= 22pF
50
T
o
A
C)
= 25°C
2.8
= 4.0V (continued)
V
IN
OUT
= 2.4V
OUT
75
= 4.0V)
= 1mA
3.2
100
3.6
4.05
3.95
3.85
4.1
3.9
4
-50
R
Temperature Reg. — High Load (V
1
= 976k Ω , R
-25
V
V
IN
IN
= 1.2V
= 3.6V
2
= 412k Ω , L = 4.7 μ H, C
Junction Temperature (
0
V
IN
= 2.4V
25
FB
= 22pF, I
50
o
C)
OUT
OUT
75
SC121
= 110mA
= 4.0V)
100
10