IR2151PBF Datasheet, PDF (1/6 Pages) International Rectifier – SELF-OSCILLATING HALF-BRIDGE DRIVER

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 × (R_T + 75Ω) × C_T
• Matched propagation delay for both channels
• Low side output in phase with R_T
Description
Product Summary
V_OFFSET
600V max.
Duty Cycle
50%
I_O+/-
100 mA / 210 mA
V_OUT
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
V_CC
V_B
R_T
HO
C_T
V_S
COM
LO
TO
LOAD
(Refer to Lead Assignment diagram for correct pin configuration)
1