Datasheet > 2525

2525

更新时间： 2024-11-06 22:35:35

品牌	Logo	应用领域
急速微 - ALLEGRO		开关功率控制
页数	文件大小	规格书
12页	202K
描述
USB POWER CONTROL SWITCHES

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中文翻译

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2525 数据手册

2535 ^AND

2525

USB POWER CONTROL SWITCHES

The A2525EL/M and A2535EL/M are integrated high-side power

switches, optimized for self-powered and bus-powered Universal Serial

Bus (USB) applications. Few external components are necessary to

satisfy USB requirements. The A2525EL/EM ENABLE inputs are

active high; the A2535EL/EM are active low.

A2525EM

OUT

FLG

GND

All devices are ideally suited for USB applications. Each switch

channel supplies up to 500 mA as required by USB peripheral devices.

In addition, the switch’s low on-resistance permits achieving the USB

voltage-drop requirements. Fault current is limited to typically

750 mA, satisfying the UL 25 VA safety requirements, and a flag

output is available to indicate a fault condition to the local USB

controller. Momentary voltage drops that may occur on the upstream

port when the switch is enabled in bus-powered applications is elimi-

nated by a “soft start” feature.

Dwg. PP-070A

Note that the A2525EM (DIP) and the

A2525EL (SOIC) are electrically identical and

share a common terminal number assignment.

Additional features include thermal shutdown to prevent catastrophic

switch failure from high-current loads, undervoltage lockout to ensure

that the device remains OFF unless there is a valid input voltage

present, and 3.3 V and 5 V logic-compatible enable inputs.

These switches are provided in 8-pin mini-DIP (suffix ‘M’) and

8-lead SOIC (suffix ‘L’) packages.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V_IN..................... 6.0 V

Output Voltage, V_OUT.................. 6.0 V

Features

I 2.7 V to 5.8 V Input

Output Current,

I_OUT................. Internally Limited

ENABLE Voltage Range,

V_EN......................... –0.3 V to 10 V

Fault Flag Voltage, V_FLG.............. 8.0 V

Fault Flag Current, I_FLG............. 50 mA

Package Power Dissipation,

P_D................................. See Graph

Operating Temperature Range,

I Up to 500 mA Continuous Load Current per Port

I 140 mΩ Maximum ON-Resistance

I 1.25 A Maximum Short-Circuit Current Limit

I Individual Open-Drain Fault Flag Outputs

I 100 µA Typical ON-State Supply Current

I <1 µA Typical OFF-State Supply Current

I Outputs Can be Forced Higher Than Input (off-state)

I Thermal Shutdown

I 2.2 V Typical Undervoltage Lockout

I 0.6 ms Turn On (soft-start) and Fast Turn Off

I A2525 (active-high) Improved Replacement for MIC2525-1

I A2535 (active-low) Improved Replacement for MIC2525-2

T_A.......................... -40°C to +85°C

Junction Temperature, T_J....... +150°C*

Storage Temperature Range,

T_S........................... -65°C to 150°C

Applications

* Fault conditions that produce excessive

junction temperature will activate device

thermal shutdown circuitry. These conditions

can be tolerated but should be avoided.

I USB Hosts and Self-Powered Hubs

I USB Bus-Powered Hubs

I Hot Plug-In Power Supplies

I Battery-Charger Circuits

12 3 4 5 6 7...12

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与2525相关器件

型号	品牌	获取价格	描述	数据表
252-5.0688M-12-15W	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0688M-16-W-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0688M-17-15GW-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0688M-17-S-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0688M-18-50NW-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0688M-SR-15GW-TR	OSCILENT	获取价格	Series - Fundamental Quartz Crystal, 5.0688MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0AH	ETC	获取价格	Analog IC
252-5.0AV	ETC	获取价格	Analog IC
252-5.0M-13-50W-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5MHz Nom, HC-49SM, SMD, 4 PIN
252-5.0M-16-50NW-TR	OSCILENT	获取价格	Parallel - Fundamental Quartz Crystal, 5MHz Nom, HC-49SM, SMD, 4 PIN

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