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PDF UC3707 Data sheet ( Hoja de datos )
| Número de pieza | UC3707 | |
| Descripción | Dual Channel Power Driver | |
| Fabricantes | Unitrode | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UC3707 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Dual Channel Power Driver
UC1707
UC2707
UC3707
FEATURES
• Two independent Drivers
• 1.5A Totem Pole Outputs
• Inverting and Non-Inverting Inputs
• 40ns Rise and Fall into 1000pF
• High-Speed, Power MOSFET
Compatible
• Low Cross-Conduction Current Spike
• Analog Shutdown with Optional Latch
• Low Quiescent Current
• 5V to 40V Operation
• Thermal Shutdown Protection
• 16-Pin Dual-In-Line Package
• 20-Pin PLCC and CLCC Package
BLOCK DIAGRAM
DESCRIPTION
The UC1707 family of power drivers is made with a high-speed Schottky
process to interface between low-level control functions and high-power
switching devices - particularly power MOSFETs. These devices contain
two independent channels, each of which can be activated by either a high
or low input logic level signal. Each output can source or sink up to 1.5A as
long as power dissipation limits are not exceeded.
Although each output can be activated independently with its own inputs, it
can be forced low in common through the action either of a digital high sig-
nal at the Shutdown terminal or a differential low-level analog signal. The
Shutdown command from either source can either be latching or not, de-
pending on the status of the Latch Disable pin.
Supply voltage for both VIN and VC can independently range from 5V to
40V.
These devices are available in two-watt plastic "bat-wing" DIP for operation
over a 0°C to 70°C temperature range and, with reduced power, in a her-
metically sealed cerdip for –55°C to +125°C operation. Also available in
surface mount DW, Q, L packages.
TRUTH TABLE (Each Channel)
INV. N.I. OUT OUT = INV and N.I.
H H L OUT = INV or N.I.
L HH
H LL
L LL
03/99
1 page  
SIMPLIFIED INTERNAL CIRCUITRY (cont.)
UC1707
UC2707
UC3707
Figure 4. Transformer coupled push-pull MOSFET drive circuit.
The Analog shutdown can give pulse-by-pulse current limiting with a reset pulse from the clock output of the UC1524. R1C1 is
used to filter leading edge spikes.
Figure 5. Current limiting.
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UC3707.PDF ] | |
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