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LM5045 Datasheet(PDF) 11 Page - Texas Instruments

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Part # LM5045
Description  Full-Bridge PWM Controller with Integrated MOSFET Drivers
PDF  38 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5045 Datasheet(HTML) 11 Page - Texas Instruments

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background image
HS1
HO1
BST1
LO1
VCC
SR1
SR2
RD1
S
R
Q
T
Q
Q
REF
REF
HS2
HO2
BST2
VCC
RD2
LO2
VOLTAGE
REGULATOR
VCC
UVLO
LOGIC
OSCILLATOR
DRIVER
LOGIC
VIN
UVLO
OVP
RT
RAMP
SSSR
COMP
CS
SS
RES
AGND
PGND
REF
VCC
0.4V
1.25V
SHUTDOWN
STANDBY
UVLO
HYSTERESIS
20 PA
1.25V
HYSTERESIS
CLK
PWM
1V
5k
1:1
+
-
-
+
+
-
+
-
+
-
+
-
HICCUP
MODE
TIMER and
LOGIC
CS
SS
SLOPE
DELAY
TIMERS
AND
DRIVER
LOGIC
R
R
SS
SS
Buffer
0 PA
SSOFF
100 PA
20 PA
20 PA
30 PA
10 PA
5V
THERMAL
LIMIT
(160°C)
5V
REFERENCE
20 PA
5 PA
1.0V
5V
SLOPECOMP
RAMP GENERATOR
0.75V
CLK + LEB
LM5045
www.ti.com
SNVS699G – FEBRUARY 2011 – REVISED MARCH 2013
Block Diagram
Copyright © 2011–2013, Texas Instruments Incorporated
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11
Product Folder Links: LM5045



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