A2536 - USB DUAL POWER CONTROL SWITCHES

Allegro MicroSystems에서 제조한 전자 부품 A2536은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.

A2536의 기능 및 특징 중 하나는 "USB DUAL POWER CONTROL SWITCHES" 입니다.

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A2536 기능

USB DUAL POWER CONTROL SWITCHES

Allegro MicroSystems

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Data Sheet 27447.2B 2526 AND 2536 USB DUAL POWER CONTROL SWITCHES A2526EL The A2526EL and A2536EL are integrated high-side dual power switches, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. Few external components are necessary to CONTROL CONTROL ENA 1 8 OUTA satisfy USB requirements. The A2526EL ENABLE inputs are active GATE GATE FLGA 2 TFLGB 3 DUC Y.ENB 4 7 IN 6 GND 5 OUTB Dwg. PP-070-6 ED PRNOCE ONLABSOLUTE MAXIMUM RATINGS U ESupply Voltage, VIN ..................... 6.0 V IN ROutput Voltage, VOUT .................. 6.0 V T EOutput Current, N FIOUT ................. Internally Limited ENABLE Voltage

Contents of page 4 out of 10 pages :

2526 AND 2536 USB DUAL POWER CONTROL SWITCHES FUNCTIONAL DESCRIPTION Power switch The power switch is an N-channel MOSFET with a maximum on-state resistance of 140 mΩ (VIN = 5 V). Configured as a high-side switch, the power switch prevents current flow in either direction if disabled. The drain body diode is discon- nected from the source when the switch is OFF allowing the output voltage to exceed the input voltage without causing current conduction. The power switch supplies a minimum of 500 mA per switch. Charge pump An internal charge pump supplies power to the driver circuit and provides the necessary voltage to pull the gate of the MOSFET above the source. The charge pump operates from input voltages as low as 2.7 V. The charge pump is limited to 2.5 µA to establish a controlled turn on time of typically 1 ms. Driver The driver controls the gate voltage of the power switch. To limit large current surges and reduce the associated electromag- netic interference (EMI) produced, the driver incorporates circuitry that controls the rise times and fall times of the output voltage. The rise time is typically 1 ms. ENABLE (EN or EN) The logic enable disables the power switch and the bias for the charge pump, driver, and other circuitry to reduce the supply current to less than 5 µA maximum when a logic high

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부품번호	상세설명 및 기능	제조사
A2535	USB POWER CONTROL SWITCHES	Allegro MicroSystems
A2536	USB DUAL POWER CONTROL SWITCHES	Allegro MicroSystems

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