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High power LED drivers require no external switches - 07/19/07 EDN-Design Ideas:
Suiting a variety of applications, these circuits transform a switching regulator into
a current source for driving power LEDs.....(design idea added 09/08/07)
High Side Driver has Fault Protection - 09/05/02 EDN-Design Ideas: High-side
drivers find common use in driving grounded solenoid coils and other loads.
Short-circuit protection for such drivers is essential for avoiding damage from wiring
faults and other causes. Polymer fuses..... (added 1/05)
High voltage Amplifier Drives piezo tubes - 12/07/04 EDN-Design Ideas:
Piezoelectric tubular positioners that drive manipulators in scanning tunneling
microscopes require high-voltage, low-current drive circuits. The circuit in Figure 1
can drive high-resistance, low-capacitance piezoelectric loads at a -3-dB bandwidth of
6 kHz. It offers a low-cost alternative to commercial drivers.....(design idea added
10/05)
IC Forms Differential Line Driver/Receiver - 05/25/95 EDN-Design Ideas: , you can
use the HFA1212 dual video buffer to implement differential line drivers and receivers
with a minimum of external components.....(design idea added 3/03)
IRADK10 Motor Drive Reference Design Kit - The kit has a Graphical User Interface
(GUI) that enables the user to control motor speed and set the basic control
parameters such as PWM frequency and shut down conditions via the serial link. (added
6/06)
Isolated Driver Forms Solid State Circuit Breaker - 03/03/98 EDN-Design Ideas:
-This circuit allows standard TTL logic levels to safely drive a high-power dc load,
circuit provides also overcurrent circuit breaker functionality.....(design idea added
6/06)
Isolated MOSFET Driver has Wide Duty Cycle Range - 04/29/04 EDN-Design Ideas: The
main application for the circuit in Figure 1 is for driving power MOSFETs with signals
ranging in frequency from 1 Hz to 300 kHz and with duty cycles from 0 to 100%. You
achieve this goal by using a coreless pc-board transformer. The switching frequency in
most power-electronics circuits ranges from a few hertz to a few hundred
kilohertz.....(design idea added 1/05)