MAX1953EUB Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1953EUB Datasheet PDF : 22 Pages
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Low-Cost, High-Frequency, Current-Mode PWM
Buck Controller
Functional Diagram
IN
COMP
FB
SHUTDOWN
COMPARATOR
0.5V
ERROR
AMPLIFIER
GND
REFIN
(MAX1957
ONLY)
REFERENCE
AND
SOFT-START
DAC
THERMAL
LIMIT
UVLO
SLOPE
COMPENSATION
PWM
CONTROL
CIRCUITRY
MAX1953
MAX1954
MAX1957
HSD
(MAX1954
ONLY)
BST
CURRENT-
SENSE
CIRCUITRY
DH
LX
IN
DL
CLOCK
SHORT-CIRCUIT
CURRENT-LIMIT
CIRCUITRY
CURRENT-LIMIT
COMPARATOR
PGND
ILIM
(MAX1953
ONLY)
INPUT
3V TO 5.5V
ILIM IN
BST
DH
MAX1953 LX
COMP
DL
PGND
GND
FB
Typical Operating Circuit
OUTPUT
0.8V TO 0.86VIN
_______________________________________________________________________________________ 9
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