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ST2052

ST Microelectronics

CURRENT LIMITED POWER DISTRIBUTION SWITCHES

ST2052 CURRENT LIMITED POWER DISTRIBUTION SWITCHES I I I I I I I I I I I 80mΩ HIGH-SIDE MOSFET SWITCH 500mA CONTIN...


ST Microelectronics

ST2052

File Download Download ST2052 Datasheet


Description
ST2052 CURRENT LIMITED POWER DISTRIBUTION SWITCHES I I I I I I I I I I I 80mΩ HIGH-SIDE MOSFET SWITCH 500mA CONTINUOUS CURRENT PER CHANNEL INDEPENDENT THERMAL AND SHORT-CIRCUIT PROTECTION WITH OVERCURRENT LOGIC OUTPUT OPERATING RANGE FROM 2.7V TO 5.5V CMOS- AND TTL-COMPATIBLE ENABLE INPUTS 10 ms OC_N FAULT BLANKING 2.5ms TYPICAL RISE TIME UNDERVOLTAGE LOCKOUT 10µA MAXIMUM STANDBY SUPPLY CURRENT AMBIENT TEMPERATURE RANGE, 0°C TO 85°C ESD PROTECTION SOP DESCRIPTION The ST2052 power distribution switches is intended for application where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporate 80mΩ N-channel MOSFET high-side power switches for power-distribution systems that require multiple powers switches in a single package. Each switch is controlled by an independent logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external Table 1: Order Codes Type ST2052BD ST2052BDR Temperature Range -40 to 85 °C -40 to 85 °C Package components and allows operation from supplies as low as 2.7 V. When the output load exceeds the current-limit threshold or a short is present, these devices limit the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. A 10ms deglitching circuit provides fault-blanking feature, preventing...




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