IR2151PBF Просмотр технического описания (PDF) - International Rectifier
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IR2151PBF Datasheet PDF : 6 Pages
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Preliminary Data Sheet No. PD60034-J
IR2151 (NOTE: For new designs, we
recommend IR’s new products IR2153 and IR21531)
SELF-OSCILLATING HALF-BRIDGE DRIVER
Features
• Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage
dV/dt immune
• Undervoltage lockout
• Programmable oscillator frequency
f=
1
1.4 × (RT + 75Ω) × CT
• Matched propagation delay for both channels
• Low side output in phase with RT
Description
Product Summary
VOFFSET
600V max.
Duty Cycle
50%
IO+/-
100 mA / 210 mA
VOUT
10 - 20V
Deadtime (typ.)
1.2 µs
Packages
The IR2151 is a high voltage, high speed, self-os-
cillating power MOSFET and IGBT driver with both
high and low side referenced output channels. Pro-
prietary HVIC and latch immune CMOS technologies
enable ruggedized monolithic construction. The front
end features a programmable oscillator which is simi-
lar to the 555 timer. The output drivers feature a high
pulse current buffer stage and an internal deadtime
designed for minimum driver cross-conduction. Propa-
gation delays for the two channels are matched to sim-
plify use in 50% duty cycle applications. The floating
channel can be used to drive an N-channel power
MOSFET or IGBT in the high side configuration that
operates off a high voltage rail up to 600 volts.
8 Lead PDIP
8 Lead SOIC
Typical Connection
up to 600V
VCC
VB
RT
HO
CT
VS
COM
LO
TO
LOAD
(Refer to Lead Assignment diagram for correct pin configuration)
1
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