MAX746MJE Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX746MJE Datasheet PDF : 16 Pages
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High-Efficiency, PWM, Step-Down,
N-Channel DC-DC Controller
LBO
EXT
HIGH
V+ PUMP
FROM AV+
LBI
N
4.3V
CHARGE-PUMP CONTROL
COMPARATOR
LOW-BATTERY
COMPARATOR
+2V
5V
T T FLIP-
FLOP Q
REFERENCE
UNDERVOLTAGE-
LOCKOUT
REF
COMPARATOR
100kHz
OSCILLATOR
OUT
EXT
CONTROL
CC
SHDN
FB
ERROR
AMPLIFIER
PWM
COMPARATOR
DUAL-MODE
COMPARATOR
100mV
CURRENT-SENSE
AMPLIFIER
AV+
CS
SLOPE-
Σ VRAMP
COMPENSATION
RAMP
50mV
LIGHT-LOAD
COMPARATOR
SS SOFT-START
CIRCUITRY
CURRENT-LIMIT
COMPARATOR
AGND
GND
Figure 2. Block Diagram
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