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Número de pieza
componentes Descripción
IR1152S Ver la hoja de datos (PDF) - International Rectifier
Número de pieza
componentes Descripción
Fabricante
IR1152S
FIXED 66kHz FREQUENCY, µPFC ONE CYCLE CONTROL PFC IC WITH BROWN-OUT PROTECTION
International Rectifier
IR1152S Datasheet PDF : 20 Pages
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IR1152S
Block Diagram
OVP/EN
ISNS
VBIAS
OVP (OVP)
Comparator
VBIAS
V
OVP
V
OVP(RST)
V
SLEEP
SLEEP
(POWER OFF)
ENABLE
Comparator
OVP (OVP)
OVP (VFB)
Comparator
V
OVP
V
OVP(RST)
VBIAS
OVP (VFB)
V BIAS
V BIAS
g
DC
V
ISNS
V
ISNS(PK)
IPK LIMIT
Comparator
Current
Amplifier
V
m
V
COMP START
f
C
-
+
V BIAS
OVP (VFB)
OVP (OVP)
V BIAS
VFB
COMP
V BIAS
V
REF
Voltage Error
Amplifier
INTEGRATED
RAMP +
OSCILLATOR
V
M
0
MAX DUTY
CYCLE LIMIT
V
COMP
Discharge
BOP
V BIAS
V
OLP
OPEN LOOP
Comparator
VBIAS
V
BOP(EN)
V
BOP
BROWN OUT
Comparator
OLP
BOP
UVLO/SLEEP
STAND-BY
SQ
R
V BIAS
GATE
UVLO
(POWER OFF)
UVLO
Block
Bias & Internal
References
VCC
COM
www.irf.com
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