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PDF IR21271SPBF Data sheet ( Hoja de datos )
| Número de pieza | IR21271SPBF | |
| Descripción | CURRENT SENSING SINGLE CHANNEL DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60143-O
IR2127(S) / IR2128(S)
IR21271(S) & (PbF)
CURRENT SENSING SINGLE CHANNEL DRIVER
Features
• Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage dV/dt immune
• Application- specific gate drive range:
Motor Drive: 12 to 20V (IR2127/IR2128)
Automotive: 9 to 20V (IR21271)
• Undervoltage lockout
• 3.3V, 5V and 15V input logic compatible
• FAULT lead indicates shutdown has occured
• Output in phase with input (IR2127/IR21271)
• Output out of phase with input (IR2128)
• Avaliable in Lead-Free
Description
Product Summary
VOFFSET
600V max.
IO+/-
200 mA / 420 mA
VOUT 12 - 20V
9 - 20V
(IR2127/IR2128) (IR21271)
VCSth
ton/off (typ.)
250 mV or 1.8V
200 & 150 ns
The IR2127/IR2128/IR21271(S) is a high voltage, high
speed power MOSFET and IGBT driver. Proprietary
HVIC and latch immune CMOS technologies enable
ruggedized monolithic construction. The logic input is
compatible with standard CMOS or LSTTL outputs,
down to 3.3V. The protection circuity detects over-cur-
rent in the driven power transistor and terminates the
gate drive voltage. An open drain FAULT signal is pro-
vided to indicate that an over-current shutdown has oc-
curred. The output driver features a high pulse current
buffer stage designed for minimum cross-conduction.
The floating channel can be used to drive an N-chan-
nel power MOSFET or IGBT in the high side or low
side configuration which operates up to 600 volts.
Packages
8-Lead PDIP
8-Lead SOIC
Typical Connection
V CC
IN
FAULT
V CC
IN
FAULT
COM
VB
HO
CS
VS
IR2127/IR21271
(Refer to Lead Assignments for correct pin
configuration). This/These diagram(s) show
electrical connections only. Please refer to
our Application Notes and DesignTips for
proper circuit board layout.
www.irf.com
V CC
IN
FAULT
V CC
IN
FAULT
COM
VB
HO
CS
VS
IR2128
1
http://www.Datasheet4U.com
1 page  
IR2127(S) / IR21271(S) / IR2128(S) & (PbF)
Lead Definitions
Symbol
Description
VCC
IN
FAULT
COM
VB
HO
VS
CS
Logic and gate drive supply
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
Logic ground
High side floating supply
High side gate drive output
High side floating supply return
Current sense input to current sense comparator
Lead Assignments
8 Lead PDIP
IR2127/IR21271
8 Lead SOIC
IR2127S/IR21271S
www.irf.com
8 Lead PDIP
IR2128
8 Lead SOIC
IR2128S
5
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5 Page 
IR2127(S) / IR21271(S) / IR2128(S) & (PbF)
1
0.8
0.6
0.4
0.2 Max.
0
-50 -25 0
25 50
Temperature (oC)
75 100 125
Figure 21A Low Level Output vs Temperature
500
400
300
200
100
Max.
0
-50 -25 0
25 50 75 100
Temperature (oC)
Figure 22A Offset Supply Current
vs Temperature
125
800
700
600
500
400 M ax.
300
Typ.
200
100
0
-50 -25 0 25 50 75 100
Temperature (oC)
Figure 23A VBS Supply Current
vs Temperature
125
www.irf.com
1
0.8
0.6
0.4
0.2 Max.
0
10 12 14 16 18 20
Vcc Supply Voltage (V)
Figure 21B Low Level Output vs Voltage
500
400
300
200
100 Max.
0
0 100 200 300 400 500
VB Boost Voltage (V)
Figure 22B Offset Supply Current
vs Voltage
600
800
700
600
500
400 M ax.
300
Typ.
200
100
0
10 12 14 16
Vcc Supply Voltage (V)
18
Figure 23B VBS Supply Current
vs Voltage
20
11
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11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet IR21271SPBF.PDF ] | |
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