SC121ULTRT Semtech, SC121ULTRT Datasheet - Page 15

• 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

Block Diagram
EN
FB
IN
Oscillator and
Selection Logic
Output Voltage
Generator
Slope
Oscillator
+
-
Start-up
+
-
1.2 V
V
Amp.
Error
REF
+
-
Comp.
PWM
Comp.
Slope
Control
PWM
Comp.
V
OUT
+
-
+
-
Gate Drive
1.7 V
Control
Amplifier
Logic
Amplifier
and
Current
N
LIM
Amp.
P
LIM
+
+
+
-
-
-
Bulk
Bias
SC121
LX
OUT
GND
15