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AP2553AFDC

更新时间： 2024-11-20 12:24:55
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美台 - DIODES 开关
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16页 416K
描述
The AP2552/53and AP2552A/53A are single channel precision adjustable current-limited switches optimized for the applications...

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AP2553AFDC 数据手册

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AP2552/ AP2553/ AP2552A/ AP2553A  
PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES  
Description  
Pin Assignments  
The AP2552/53and AP2552A/53A are single channel precision  
adjustable current-limited switches optimized for the applications  
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 2.35A (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  
1
6
5
IN  
PAD  
2
3
GND  
EN  
FAULT  
4
U-DFN2020C-6  
(Top View)  
The devices have fast short-circuit response timefor 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  
OUT  
1
2
3
6
5
4
IN  
ILIM  
GND  
EN  
controlled rise time and under-voltage lockout functionality.  
A
FAULT  
7ms deglitch capability on the open-drain Flag output prevents false  
over-current reporting and does not require any external components.  
SOT26  
AP2552/53 limits the output current to a safe level when the output  
current exceeds current-limit threshold.  
Features  
•
•
•
•
•
•
•
Up to 2.1A maximum load current  
AP2552A/53A provides latch-off function during over-current or  
reverse-voltage conditions.  
Accurate adjustable current limit, 75mA - 2350mA  
±6% accurate adjustable current limit, 1.61A with RLIM = 15kΩ  
Constant-current (AP2552/53) during over-current  
Output latch-off (AP2552A/53A) at over-current  
Fast short-circuit response time: 2µs (typ)  
All devices are available in SOT26 and U-DFN2020C-6 packages.  
Applications  
Reverse current blocking during shutdown and reverse current  
limiting during enable  
•
•
•
•
Set-Top-Boxes  
•
•
•
•
•
•
•
•
Operating range: 2.7V – 5.5V  
LCD TVs & Monitors  
Built-in soft-start with 3ms typical rise time  
Over-current , output over-voltage and thermal protection  
Fault report (FAULT) with blanking time  
Residential Gateways  
Laptops, Desktops, Servers, e-Readers, Printers, Docking  
Stations, HUBs  
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 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 (to be completed)  
IEC60950-1 CB Scheme Certified (to be completed)  
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 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 16  
www.diodes.com  
December 2012  
© Diodes Incorporated  
AP2552/AP2553/AP2552A/AP2553A  
Document number: DS35404 Rev. 5 - 2  
1234567...16

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