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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AAT4644 датащи(PDF) 1 Page - Advanced Analogic Technologies |
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AAT4644 датащи(HTML) 1 Page - Advanced Analogic Technologies |
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1 / 8 page  SmartSwitch™ AAT4644 4-Channel Current Limited Load Switch 4644.2002.01.0.92 1 General Description The AAT4644 is a four-channel resettable fuse. It utilizes independent current-limited and thermally protected P-channel MOSFETs to protect against short circuits. Each switch's current limit is factory programmed at 1A. Additional protection is provid- ed with undervoltage lockout; the switches are turned off when the input voltage drops below a preset level. The quiescent supply current is typi- cally 20µA. The AAT4644 is a flexible solution, allowing system designers to gang outputs togeth- er for lower RDS(ON) and higher current limit. The AAT4644 is available in 8 pin TSSOP or SOP packages, specified over -40 to 85°C. Features • 500mA per channel steady state • 4 X 1A current limit trip point • Over-temp protection • Fast transient response: • 1µs (typ) response to short circuit • 100m Ω typical R DS(ON) • Undervoltage Lockout • Temp range -40 to 85°C • 8 pin TSSOP or SOP packages Applications • USB ports • Peripheral ports • Desktop PCs Typical Application AAT4644 2,7 1 3 8 6 4 IN INPUT 3.3V - 5V GND OUT1 OUT2 OUT3 OUT4 OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 |
Аналогичный номер детали - AAT4644 |
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Аналогичное описание - AAT4644 |
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