Linear Technology Corporation (Milpitas, CA) has announced the
automotive (H-grade) and high reliability military (MP-grade) versions of
the LT4320, a diode bridge controller for 9V to 72V systems. The LT4320
replaces a full-wave diode bridge rectifier with a low loss N-channel
MOSFET bridge to reduce the power and voltage losses by a factor of
ten or more. Features include:
■ A 9 to 72V, DC to 600 Hz Operation.
■ The ability to control 4 N-Channel MOSFETs.
■ A 1.5 mA quiescent current.
■ A -40° to +125°C guaranteed junction temperature range (H-Grade).
■ A -55° to +125°C guaranteed junction temperature range (MP-Grade).
■ An 8-Pin DFN ( 3 x 3 mm), 8-Lead PDIP, and 12-Lead MSOP packages.
Next Generation Dispense Valve Functionality
Nordson EFD, a Nordson company (East
Providence, RI) has introduced
the new ValveMate
9000, a new valve
dual-valve control programming, each with
24 watt temperature
controllers for J-type thermocouples. Each channel can drive a remote high-speed solenoid valve up to 500Hz. Features include:
■ An auto-Increment mode that adjusts dispensing parameters.
■ A spike-and-hold function.
■ 2 electronic pressure regulators (EPRs) for stability in the fluid reservoir.
■ The ability to remotely program the set-up parameters.
Curve Gasket for
(Las Vegas, NV) has
developed a new elasto-
meric static seal, the Curve
Gasket. The patent-pending
Curve Gasket supports the trend
of new powertrain modules with a
focus on lightweight design, and allows a
shift of compression range to a higher level while reducing reaction forces.
At elevated temperatures that often cause gasket expansion issues, it also
prevents the gasket from exceeding the void volume limit.
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