FEATURES
· Highly Integrated Solution to Reduce
Components
· Integrated Voltage Reference
· Integrated 50-V Power Switch,
· Integrated IGBT Driver
· High Efficiency
· Programmable Peak Current: 1.1 A to 2.2 A
· Input Battery Voltage of 1.6 V to 12 V
· Optimized Control Loop for Fast Charge Time
· Output Voltage Feedback From Primary Side
· 16-Pin QFN Package
· Protection
– MAX On Time
– MAX Off Time
– Overcurrent Shutdown to Monitor VDS at
the SW pin (OVDS)
– Thermal Monitor

APPLICATIONS
· Digital Still Cameras
· Optical Film Cameras

DESCRIPTION
This device offers a complete solution for charging a
photo flash capacitor from a battery input, and subsequently discharging the capacitor to a xenon
flash tube. The device has an integrated voltage
reference, power switch, IGBT driver, and control
logic blocks for capacitor charging applications and
driving IGBT applications. Compared with discrete
solutions, this device reduces the component count,
shrinks the solution size, and eases designs for
xenon tube applications. Additional advantages are a
fast charging time and high efficiency from an
optimized PWM control algorithm.
Other provisions of the device includes sensing the
output voltage from the primary side, programmable
peak current, thermal shutdown, an output pin for
charge completion, and input pins for charge enable
and flash enable.