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LM7596 Fiches technique(PDF) 1 Page - First Components International

No de pièce LM7596
Description  LM7596 Simple Switcher Power Converter 150kHz 3A Step-Down Voltage Regulator
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Fabricant  FCI [First Components International]
Site Internet  http://www.cotra.com.tw/
Logo FCI - First Components International

LM7596 Fiches technique(HTML) 1 Page - First Components International

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TYPICAL APPLICATION (Fixed Output Voltage
Versions)
CONNECTION DIAGRAMS AND ORDERING INFORMATION
APPLICATIONS
● Simple high-efficiency step-down (buck) regulator
● On-card switching regulators
● Positive to negative converter
FEATURES
● 3.3V, 5V, 12V, and adjustable output versions
● Adjustable version output voltage range, 1.2V to 37V
±3% max over line and load conditions
● Available in TO-220
● Guaranteed 3A output load current
● Input voltage range up to 40V
● Requires only 4 external components
● Excellent line and load regulation specifications
● 150 kHz fixed frequency internal oscillator
● TTL shutdown capability
● Low power standby mode, IQ typically 100 µA
● High efficiency
● Thermal shutdown and current limit protection
DESCRIPTION
The LM7596 series of regulators are monolithic
integrated circuits that provide all the active functions
for a step-down switching regulator, capable of
driving a 3A load with excellent line and load
regulation. These devices are vailable in fixed output
voltages of 3.3V, 5V, 12V and an adjustable output
version.
Requiring
a
minimum
number
of
external
components, these regulators are simple to use.
The LM7596 series operates at a switching frequency
of 150kHz. Available in standard 5-lead TO-220
package.
Other features include a guaranteed ± 3% tolerance
on output voltage under specified input voltage and
output load conditions, and ± 15% on the oscillator
frequency. External shutdown is included, featuring
typically 100µA standby current. Self protection
features include a two stage frequency reducing
current limit for output switch and an over
temperature shutdown for complete protection under
fault conditions. The over temperature shutdown level
is about 145°C with 5°C hysteresis.
LM7596 Simple Switcher Power Converter 150kHz
3A Step-Down Voltage Regulator


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