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The AP2301A and AP2311A are single channel integrated high-side power switches optimized for Universal Serial Bus (USB) and other hot-swap applications. The family of devices complies with USB standards and is available with both polarities of Enable input.


The devices have fast short-circuit response time for improved overall system robustness, and have integrated output discharge function to ensure completely controlled discharging of the output voltage capacitor. They provide a complete protection solution for applications subject to heavy capacitive loads and the prospect of short circuit, and offer reverse current blocking, over-current, over and short-circuit protection, as well as controlled rise time and under voltage lockout functionality. A 7ms deglitch capability on the open drain Flag output prevents false over-current reporting and does not require any external components.


All devices are available in SO-8, MSOP-8, MSOP 8 and U-DFN2020-6 packages.


  • Single USB port Power Switches

Product Specifications

Product Parameters

Maximum Continuous Output Current 2 A
Maximum Current Limit 2.85 A
Enable Logic Active High
Minimum Operating Voltage 2.7 V
Maximum Operating Voltage 5.5 V
Quiescent Current Typ 45 µA
RDS(ON) (VIN = 5V) Typ 70 mΩ
Output Discharge Yes
OCP Output Latch Off No
OCP Flag Yes
Operating Ambient Temperature Range -40 to 85 °C
UL Listed Yes
NEMKO IEC 60950-1 CB Yes

Related Content

U-DFN3030-8 (Type E)


Technical Documents

Recommended Soldering Techniques


Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP2311AMP-13 Digi-Key Electronics 23 8/11/2020 Buy Now United States
AP2311AMP-13 Mouser Electronics Inc. 277 8/11/2020 Buy Now United States
AP2311AS-13 Mouser Electronics Inc. 2395 8/11/2020 Buy Now United States


Product Change Notices

PCN # Issue Date Subject
PCN-2429 2019-11-20 Additional Qualified (AT) Assembly Test Site + BOM + Top Marking


Related Application FAQs