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LM5027ASQ/NOPB Datasheet(PDF) 11 Page - Texas Instruments

Part # LM5027ASQ/NOPB
Description  Voltage Mode Active Clamp Controller
PDF  35 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5027ASQ/NOPB Datasheet(HTML) 11 Page - Texas Instruments

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REGULATOR
VCC
UVLO
5V
REFERENCE
LOGIC
OSCILLATOR
LOGIC
Q
VIN
UVLO
OTP
RT
RAMP
SSSR
COMP
CS
SS
TIME1
RES
TIME 2
AGND
PGND
OUTSR
OUTB
OUTA
REF
VCC
SHUTDOWN
STANDBY
CLK
PWM
5 uA
5 uA
DRIVER
DRIVER
DRIVER
+
-
-
+
+
-
+
-
+
-
+
-
THERMAL
LIMIT
TIME 3
RESTART
TIMER
LOGIC AND
COUNTER
22 uA
CS
-
OVERLAP
AND DRIVE
DELAY
SS
SS
+
-
20 uA
Soft-Stop
25 uA
UVLO HYSTERESIS (20 uA)
OTP HYSTERESIS (20 uA)
1.0V
0.50V
CLK + LEB
5k
1V
5V
FF
RAMP
9.5V-7.7V
2.5V Max V*S Clamp
DIVIDE - BY- 8
22 uA
1
1:
REF
REF
REF
REF
S
R
2.5V
5.0V
2.0V
1.25V
0.4V
LM5027A
www.ti.com
SNVS642B – APRIL 2010 – REVISED MARCH 2013
BLOCK DIAGRAM
Figure 18. Simplified Block Diagram
Copyright © 2010–2013, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Links: LM5027A



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