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LM2738 Datasheet(PDF) 9 Page - Texas Instruments

No. de pieza LM2738
Descripción Electrónicos  LM2738 550kHz/1.6MHz 1.5A Step-Down DC-DC Switching Regulator
Download  38 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

LM2738 Datasheet(HTML) 9 Page - Texas Instruments

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background image
L
R1
R2
D1
D2
BOOST
Output
Control
Logic
Current
Limit
Thermal
Shutdown
Under
Voltage
Lockout
Corrective Ramp
Reset
Pulse
PWM
Comparator
Current-Sense Amplifier
RSENSE
+
+
Internal
Regulator
and
Enable
Circuit
Oscillator
Driver
0.25:
Switch
Internal
Compensation
SW
EN
FB
GND
Error Amplifier
-
+
VREF
0.8V
COUT
ON
OFF
VBOOST
IL
VSW
+
-
CBOOST
VOUT
CIN
VIN
VIN
ISENSE
+
-
+
-
0.93V
-
+
OVP
Comparator
Error
Signal
LM2738
www.ti.com
SNVS556B – APRIL 2008 – REVISED APRIL 2013
BLOCK DIAGRAM
Figure 27. Simplified Internal Block Diagram
Copyright © 2008–2013, Texas Instruments Incorporated
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Product Folder Links: LM2738


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