Datasheet

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IR2127(S) / IR21271(S) / IR2128(S) & (PbF)
Functional Block Diagram IR2127/IR21271
DOWN
SHIFTER
PULSE
GEN
UV
DETECT
PULSE
FILTER
PULSE
GEN
BUFFER
HV
LEVEL
V
B
HO
V
S
CS
R
S
RQ
V
CC
IN
UP
SHIFTERS
COM
F
AULT
-
+
PULSE
FILTER
V
B
DELAY
S
QR
QR
S
SHIFT
Functional Block Diagram IR2128
DOWN
SHIFTER
PULSE
GEN
UV
DETECT
PULSE
FILTER
PULSE
GEN
BUFFER
HV
LEVEL
V
B
HO
V
S
CS
R
S
RQ
V
CC
IN
UP
SHIFTERS
COM
F
AULT
-
+
PULSE
FILTER
V
B
DELAY
S
Q
R
Q
R
S
SHIFT
5V