MAX679C/D Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX679C/D Datasheet PDF : 6 Pages
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Regulated 3.3V Charge Pump
SHDN
FSET
IN
CHIP SUPPLY
P5
P6
MAX679
PULSER
OUT
ΦSW
ΦC
OSCILLATOR +
CONTROL LOGIC
ΦT
ΦSC
CLOCK
RESET
212 COUNTER
OUT
ΦSW
ΦT
P4
C1+
P3
ΦT
P1
ΦC
ΦSC
ΦC
C1
P2
C1-
N1
PGND
10% OF N1
EAOUT (1 = OUTPUT OVER REGULATION POINT)
1.25V REF
GND
ΦSW = SWITCH CONNECTS OUT TO IN DURING START-UP
ΦT = TRANSFER PHASE OF PUMP
ΦC = CHARGE PHASE OF PUMP (FULL STRENGTH)
ΦSC = CHARGE PHASE OF PUMP (REDUCED STRENGTH)
Figure 1. Block Diagram
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