MAX8650(2006) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX8650
(Rev.:2006)
(Rev.:2006)
Maxim Integrated
MAX8650 Datasheet PDF : 25 Pages
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4.5V to 28V Input Current-Mode Step-Down
Controller with Adjustable Frequency
IN
EN
VL
AVL
REFIN
SS
REF
SELECT
LOGIC
FB
COMP
OVP
CS+
CS-
ILIM1
10µA
VL
GND
6.5V LDO
REGULATOR
5V AVL
LDO
VOLTAGE
REFERENCE
MAX8650
UVLO
THERMAL
SHDN
LEVEL
SHIFT
VL
PWM
CONTROL
LOGIC
REF SOFT-START
CIRCUITRY
ERROR
AMP
GM
COMP
CLAMP
OVP
1.15V REF
CSA
12
LEVEL
SHIFT
X1
PWM
COMPARATOR
CURRENT-
LIMIT COMP
CURRENT-
LIMIT
CONTROL LOGIC
DIVIDE BY 7.5
FB
0.92VREF
OSCILLATOR
SLOPE
COMP
5µA
VL
DIVIDE BY 5
BST
DH
LX
DL
PGND
SYNCO
FSYNC
SCOMP
MODE
ILIM2
POK
Figure 1. Functional Diagram
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