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PDF IRS2128SPbF Data sheet ( Hoja de datos )
| Número de pieza | IRS2128SPbF | |
| Descripción | CURRENT SENSING SINGLE CHANNEL DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60299
IRS212(7, 71, 8, 81)(S)PbF
CURRENT SENSING SINGLE CHANNEL DRIVER
Features
Product Summary
• Floating channel designed for bootstrap operation
Fully operational to +600 V
Tolerant to negative transient voltage dV/dt immune
• Application-specific gate drive range:
Motor Drive: 12 V to 20 V (IRS2127/IRS2128)
Automotive: 9 V to 20 V (IRS21271/IRS21281)
• Undervoltage lockout
• 3.3 V, 5 V, and 15 V input logic compatible
• FAULT lead indicates shutdown has occured
• Output in phase with input (IRS2127/IRS21271)
• Output out of phase with input (IRS2128/IRS21281)
• RoHS compliant
VOFFSET
600 V max.
IO+/-
200 mA / 420 mA
VOUT 12 V - 20V 9 V - 20 V
(IRS2127/IR2128) (IRS21271/IR21281)
VCSth
250 mV or 1.8 V
ton/off (typ.) 150 ns & 150 ns
Description
The IRS2127/IRS2128/IRS21271/IRS21281 are
high voltage, high speed power MOSFET and IGBT
drivers. Proprietary HVIC and latch immune CMOS
technologies enable ruggedized monolithic construc-
tion. The logic input is compatible with standard
Packages
CMOS or LSTTL outputs, down to 3.3 V. The protec-
tion circuity detects over-current in the driven power
transistor and terminates the gate drive voltage. An
open drain FAULT signal is provided to indicate that
8-Lead PDIP
8-Lead SOIC
an over-current shutdown has occurred. The output
driver features a high pulse current buffer stage designed for minimum cross-conduction. The floating chan-
nel can be used to drive an N-channel power MOSFET or IGBT in the high-side or low-side configuration which
operates up to 600 V.
Typical Connection
V CC
IN
FAULT
V CC
IN
FAULT
COM
VB
HO
CS
VS
IRS2127/IRS21271
(Refer to Lead Assignments for correct pin configuration).
These diagrams show electrical connections only. Please
refer to our Application Notes and DesignTips for proper
circuit board layout.
V CC
IN
FAULT
www.irf.com
V CC
IN
FAULT
COM
VB
HO
CS
VS
IRS2128/IRS21281
1
1 page  
IRS212(7, 71, 8, 81)(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 (IRS2127/IRS21271)
out of phase with HO (IRS2128/IRS21281)
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
1 VCC
2 IN
3 FAULT
4 COM
VB 8
HO 7
CS 6
VS 5
8 Lead PDIP
IRS2127/IRS21271
1 VCC
2 IN
3 FAULT
4 COM
VB 8
HO 7
CS 6
VS 5
8 Lead SOIC
IRS2127S/IRS21271S
1 VCC
2 IN
3 FAULT
4 COM
VB 8
HO 7
CS 6
VS 5
8 Lead PDIP
IRS2128/IRS21281
www.irf.com
1 VCC
2 IN
3 FAULT
4 COM
VB 8
HO 7
CS 6
VS 5
8 Lead SOIC
IRS2128S/IRS21281S
5
5 Page 
IRS212(7, 71, 8, 81)(S)PbF
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-50
Max
-25
0 25 50 75 100 125
Temperature (°C)
Figure 14A. Logic "0" ("1" for 2128) VIL
Threshold vs. Temperature
0 .9
0.8 Max
0 .7
0 .6
0 .5
0 .4
0 .3
0 .2
0 .1
0
10
12
14 16
Supply Voltage (V)
18
Figure 14B. Logic "0" ("1" f or 2128) VIL
Threshold vs. Voltage
20
0.35
0.3 Max
0.25 Typ
0.2
Min
0.15
0.1
0.05
0
-50 -25
0 25 50 75 100 125
Temperature (°C)
Figure 15A. CS Input Positive Going Voltag e
vs. Temperature
0 .35
Max
0.3
0.25 Typ
0.2
Min
0 .15
0.1
0 .05
0
10 12 14 16 18 20
Supply Voltage (V)
Figu re 15B. CS Input Positive Going Voltage vs.
Voltage
www.irf.com
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet IRS2128SPbF.PDF ] | |
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