Who has been unsuccessfully tried to kill 638 times? Detailed answer

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Who has been unsuccessfully tried to kill 638 times? Detailed answer

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Who has been unsuccessfully tried to kill 638 times?

According to Fabian Escalante, longtime head of Fidel Castro's bodyguards, there were 638 assassination attempts on the Cuban leader, mostly by the CIA. The methods of murder were chosen in a variety of ways: poisoning, an exploding cigar as a gift, infection of a diving suit with a fungus, but each time they ended in failure due to either the actions of the Cuban special services or a happy accident.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

How cold is the universe?

A little more than three degrees above absolute zero, i.e. approximately -270 ° C. Below absolute zero (0 K), there is no temperature; at such a temperature, theoretically, the thermal movement of molecules, atoms, etc. should stop.

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Digital 30A DC-DC Regulators IR38263/5 24.12.2018

Infineon has released new IPOL IR38263 and IR38265 series digital DC-DC converters with output current up to 30 A. The converters are designed to power high-performance processor cores and other powerful low-voltage consumers.

The new controllers combine ease of use, high integration and full configuration via fast I2C or PMBus interface. Thanks to the latest advances in low voltage MOSFET technology, Infineon has been able to realize a sufficiently powerful DC-DC with an output current of up to 30A in a small PQFN-24 (5-7mm) package.

The presence of a digital interface makes this solution really flexible. All basic parameters (switching frequency, output voltage, protection thresholds) can be configured using a digital host controller. The digital interface can read input and output voltage, output current and temperature.

Technical specifications:

input voltage range: 5,5...16 V (1,5...16 V with external Vcc supply);
output voltage adjustable from 0,5V to 87,5% of Vin;
rated output current reaches 30 A;
conversion frequency is adjustable in the range of 150...1500 kHz;
Efficiency up to 96%;
Voltage Mode control algorithm (VM Engine Gen3) allows you to quickly process load changes;
setting the output voltage using 3 digital inputs PVID;
the ability to configure parameters via the fast I2C (IR38265) or PMBus (IR38263) interface;
the ability to read the values of the output voltage and load current using the digital interface I2C / PMBus;
operating temperature range -40°С...+125°С;
case PQFN-24 size 5x7 mm.

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