Datasheet

+
-
2 MHz
Oscillator
Soft
Start
Ramp
Generator
+
-
Thermal
Shutdown
Undervoltage
Lockout
V
REF
+
-
0.5V
Error
Amp
Control Logic Driver
Current Limit
Comparator
Ref1
SW
FB
EN
V
IN
PWM Comparator
GND
Bandgap
+
-
Vcomp
1.0V
Frequency
Compensation
Adjustable Version
Fixed Version
LM3674
SNVS405F –DECEMBER 2005–REVISED MAY 2013 www.ti.com
Block Diagram
Figure 4. Simplified Functional Block Diagram
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