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IR2127STRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
4 www.irf.com
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
www.irf.com 5
IR2127(S) / IR21271(S) / IR2128(S) & (PbF)
Lead Definitions
Symbol Description
V
CC
Logic and gate drive supply
IN Logic input for gate driver output (HO), in phase with HO (IR2127/IR21271)
out of phase with HO (IR2128)
Indicates over-current shutdown has occurred, negative logic
COM Logic ground
V
B
High side floating supply
HO
High side gate drive output
V
S
High side floating supply return
CS
Current sense input to current sense comparator
Lead Assignments
8 Lead PDIP 8 Lead SOIC
IR2127/IR21271 IR2127S/IR21271S
F
AUL
T
8 Lead PDIP 8 Lead SOIC
IR2128 IR2128S
6 www.irf.com
IR2127(S) / IR21271(S) / IR2128(S) & (PbF)
Figure 4. CS Shutdown Waveform Definitions
90%
CS
V
CSTH
t
cs
HO
Figure 5. CS to
AUL
Waveform Definitions
90%
CS
V
CSTH
t
flt
F
AUL
T
Figure 2. Switching Time Waveform Definition
IN
HO
90% 90%
10% 10%
50%
50%
t
r
t
f
t
on
t
off
50% 50%
IN
(IR2128)
(IR2127/
IR21271)
Figure 1. Input/Output Timing Diagram
HO
CS
IN
F
AUL
T
IN
(IR2128)
(IR2127/
IR21271)
Figure 3. Start-up Blanking Time Waveform Definitions
HO
CS
IN
t
bl
90%
50%
F
AUL
T
50%
(IR2127/
IR21271)
IN
(IR2128)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

IR2127STRPBF

Mfr. #:
Buy IR2127STRPBF
Manufacturer:
Infineon / IR
Description:
Gate Drivers 1 HI SIDE DRVR NONINVERTING INPUT
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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