IR FILTER SWITCH DRIVER                      

DESCRIPTION

UTC IR8511 is an IR filter switch driver IC designed for switching
IR filter in IR-Cut (ICR). With appropriate input controls, UTC
IR8511 is made up of a one-channel, low saturation, bi-directional
H-bridge driver. The protection diode circuit built in UTC IR8511
can minimize the disturbance caused by the feedback current when
ESD impulse occurs, or when the ICR is shut down.
The typical impedance of the current switches in UTC IR8511 is
less than 3Ohm. The current driven through the actuator is then
determined by the impedance of the ICR. For example, with 5.0V
power supply, the current through the actuator is around 300mA
with 0.73V output voltage drop.
Two types of UTC IR8511A or IR8511B are offered to support
single-wire control, dual-wire control and single-wire one-shot
control modes.

FEATURES

* 1.8V input driving pulse
* Low standby Current: IQSC<10uA
* 2.5V~5.5V operating voltage range
* Only one control input and Built-in non-overlap circuit to avoid the
MOSFET damage caused by the fast output voltage transient