IR21571 Ver la hoja de datos (PDF) - International Rectifier
Número de pieza
componentes Descripción
Fabricante
IR21571 Datasheet PDF : 17 Pages
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IR21571(S)
Electrical Characteristics (cont.)
VCC = VBS = VBIAS = 14V +/- 0.25V, RT = 40.0kΩ, CT = 470 pF, RPH and RUN leads no connection, VCPH = 0.0V,
RDT = 6.1kΩ, ROC = 20.0kΩ, VCS = 0.5V, VSD = 0.0V, CL = 1000pF, TA = 25oC unless otherwise specified.
Floating Supply Characteristics
Symbol Definition
IQBS0
IQBS1
VBSMIN
ILK
Quiescent VBS supply current
Quiescent VBS supply current
Minimum required VBS voltage for proper
HO functionality
Offset supply leakage current
Oscillator I/O Characteristics
Symbol Definition
Min.
0
15
—
—
Typ.
0
30
4
—
Max.
8
45
5
Units
µA
V
Test Conditions
VHO = VS
VHO = VB
50
µA
VB = VS = 600V
Min. Typ. Max. Units Test Conditions
fosc
Oscillator frequency
d
VCT+
VCT-
VCTFLT
Oscillator duty cycle
Upper CT ramp voltage threshold
Lower CT ramp voltage threshold
Fault-mode CT lead voltage
VRT
RT lead voltage
VRTFLT Fault-mode RT lead voltage
tdlo
LO output deadtime
tdho
HO output deadtime
Preheat Characteristics
Symbol Definition
ICPH
CPH lead charging current
VCPHIGN CPH lead lgnition mode threshold voltage
VCPHRUN CPH lead run mode threshold voltage
VCPHCLMP CPH lead clamp voltage
VCPHFLT Fault-mode CPH lead voltage
RPH Characteristics
Symbol Definition
IRPHLK Open circuit RPH lead leakage current
VRPHFLT Fault-mode RPH lead voltage
45.5
48
49.5
50
3.7
4.0
1.85
2.0
—
0
1.85 2.0
—
0
1.8
2.0
1.8
2.0
50.5 kHz RT = 16.9kΩ, RDT =
6.1kΩ, CT=470pF
50.5
%
4.3
V
2.15
50
mV
SD = 5V, CS = 2V,
or Tj > TSD
2.15
V
50
mV
SD = 5V, CS = 2V,
or Tj > TSD
2.2
µsec
2.2
Min.
0.85
3.7
4.7
9.0
—
Typ.
1.0
4.0
5.15
9.5
0
Max.
1.15
4.3
5.45
10.5
50
Units Test Conditions
µA
VCPH = 0V
V
ICPH = 1mA
mV
SD = 5V, CS = 2V,
or Tj > TSD
Min.
—
—
Typ.
0.01
0
Max.
0.1
50
Units Test Conditions
µA VRPH= 5V,VRPH= 6V
mV
SD = 5V, CS = 2V,
or Tj > TSD
4
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