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Número de pieza
componentes Descripción
ISL8012IRZ(2008) Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ISL8012IRZ
(Rev.:2008)
2A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator
Intersil
ISL8012IRZ Datasheet PDF : 15 Pages
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Block Diagram
ISL8012
EN
VFB
PG
RSI
SOFT-START
SHUTDOWN
BANDGAP
0.8V
EAMP
27pF
390k
OSCILLATOR
+
COMP
+
MODE
SHUTDOWN
PWM/PFM
LOGIC
CONTROLLER
PROTECTION
DRIVER
0.864V
+
+
0.736V
SLOPE
COMP
1ms
DELAY
+
OCP
+
CSA
1V
+
SKIP
0.25V
ZERO-CROSS
SENSING
SCP
0.2V
+
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM
VIN
LX
GND
3
FN6616.0
March 11, 2008
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