Datasheet > AP2553FDC-7R

AP2553FDC-7R

更新时间： 2024-09-15 21:15:39

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
17页	1994K
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AP2553FDC-7R 数据手册

AP2552/ AP2553/ AP2552A/ AP2553A

PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES

Description

Pin Assignments

The AP2552/53 and AP2552A/53A are single channel precision

adjustable current-limited switches optimized for applications that

require precision current limiting, or to provide up to 2.1A of

continuous load current during heavy loads/short circuits. These

devices offer a programmable current-limit threshold between 75mA

and 2.36A (typ) via an external resistor. Current limit accuracy ±6%

can be achieved at high current-limit settings. The rise and fall times

are controlled to minimize current surges during turn on/off.

(Top View)

OUT

ILIM

PAD

GND

FAULT

The devices have fast short-circuit response time for improved overall

system robustness. They provide a complete protection solution for

applications subject to heavy capacitive loads and the prospect of

short circuit, offering reverse current blocking and limiting, over-

current, over-temperature and short-circuit protection, as well as

U-DFN2020-6

Top View

controlled rise time and under-voltage lockout functionality.

7ms deglitch capability on the open-drain Flag output prevents false

over-current reporting and does not require any external components.

GND

OUT

ILIM

AP2552/53 limits the output current to a safe level when the output

current exceeds current-limit threshold.

FAULT

AP2552A/53A provides latch-off function during over-current or

reverse-voltage conditions.

SOT26

All devices are available in SOT26 and U-DFN2020-6 packages.

Features



Up to 2.1A Maximum Load Current

Applications

Accurate Adjustable Current Limit, 75mA - 2360mA

±6% Accurate Adjustable Current Limit, 1.63A with R_LIM= 15kΩ

Constant-Current (AP2552/53) During Over-Current

Output Latch-Off (AP2552A/53A) at Over-Current

Fast Short-Circuit Response Time: 2µs (typ)

Reverse Current Blocking During Shutdown and Reverse Current

Limiting During Enable



Set-Top Boxes

LCD TVs & Monitors

Residential Gateways

Laptops, Desktops, Servers, e-Readers, Printers, Docking

Stations, HUBs



Operating Range: 2.7V - 5.5V

Built-in Soft-Start with 3ms Typical Rise Time

Over-Current , Output Over-Voltage and Thermal Protection

Fault Report (FAULT) with Blanking Time

ESD Protection: 2kV HBM, 500V CDM

Active Low (AP2552/52A) or Active High (AP2553/53A) Enable

Ambient Temperature Range: -40ºC to +85°C

SOT26 and U-DFN2020-6 Package: Available in “Green” Molding

Compound (No Br, Sb)



Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

15kV ESD Protection per IEC 61000-4-2 (with external

capacitance)



UL Recognized, File Number E322375, Vol. 1

1IEC60950-1 CB Scheme Certified

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 17

www.diodes.com

October 2014

AP2552/AP2553/AP2552A/AP2553A

Document number: DS35404 Rev. 10 - 2

12 3 4 5 6 7...17

中文翻译

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