MAX797H Ver la hoja de datos (PDF) - Maxim Integrated
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componentes Descripción
Fabricante
MAX797H Datasheet PDF : 8 Pages
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High-Voltage, Step-Down Controller with
Synchronous Rectifier for CPU Power
OUT IN
ADJ
R1
R2
+7V TO +40V
INPUT
+8V TO +40V
POWER INPUT
100k
Q1
300k
V+
VL
SHDN
MAX797H
DH
V+
VL
SHDN
MAX797H
DH
Figure 2. Powering V+ and VL with a +5V Linear Regulator
Figure 3. Dividing the Power Input to Supply V+
UP TO +40V
POWER INPUT
R1
R1
V+
VL
SHDN
MAX797H
DH
+20V TO +40V
POWER INPUT
12V
V+
VL
SHDN
MAX797H
DH
Figure 4. Powering V+ with a Zener Shunt Regulator
Figure 5. Powering V+ with a Zener Dropping Diode
___________________Chip Information
TRANSISTOR COUNT: 913
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
8 ___________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600
© 1997 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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