S7V8x Step-Up/公和我做爽死我了 Voltage 公和我做爽死我了

The S7V8x family of efficient switching 公和我做爽死我了 (also called switched-mode power supplies (SMPS) or DC-to-DC converters) convert both higher and lower input voltages to a regulated output voltage. They take input voltages from 2.7 V to 11.8 V and increase or decrease them as necessary, offering typical efficiencies of 80% to 95% and typical continuous output currents over 1 A for input voltages close to the output voltage. The graph below shows output currents at which these voltage 公和我做爽死我了’ over-temperature protection typically kicks in after a few seconds. These currents represent the limit of the 公和我做爽死我了’ capabilities and cannot be sustained for long periods, so the continuous currents that the 公和我做爽死我了 can provide are typically several hundred milliamps lower.

The flexibility in input voltage offered by this family of 公和我做爽死我了 is especially well-suited for battery-powered applications in which the battery voltage begins above the regulated voltage and drops below as the battery discharges. Without the typical restriction on the battery voltage staying above the required voltage throughout its life, new battery packs and form factors can be considered.

The S7V8x 公和我做爽死我了 have short-circuit protection, and thermal shutdown helps prevent damage from overheating. The boards do not have built-in protection against reverse voltage, but reverse-voltage protection modules are available for adding that functionality.

Regulator	Output voltage	Typical max continuous output current*	Input voltage range	Size	Special features	Price
#2122: S7V8F3	3.3 V	1 A	2.7 V – 11.8 V	0.4″ × 0.65″	Short-circuit protection, thermal shutdown, optional enable input	$9.95
#2123: S7V8F5	5 V
#2118: S7V8A	2.5 V – 8 V
*For input voltages close to the output. Actual achievable maximum continuous current is a function of input and output voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.

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