Texas Instruments LM2734 - Block Diagram

L
R
1
R
2
D
1
D2
BOOST
Output
Control
Logic
Current
Limit
Thermal
Shutdown
Under
Voltage
Lockout
Corrective Ramp
Reset
Pulse
PWM
Comparator
Current-Sense Amplifier
R
SENSE
+
+
Internal
Regulator
and
Enable
Circuit
Oscillator
Driver
0.3:
Switch
Internal
Compensation
SW
EN
FB
GND
Error Amplifier
-
+
V
REF
0.8V
C
OUT
ON
OFF
V
BOOST
I
L
V
SW
+
-
C
BOOST
V
OUT
C
IN
V
IN
V
IN
I
SENSE
+
-
+
-
+
-
0.88V
-
+
OVP
Comparator
Error
Signal
LM2734
SNVS288I –SEPTEMBER 2004–REVISED APRIIL 2013 www.ti.com
Block Diagram
Figure 22.
8 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LM2734