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AP2151A Datasheet

0.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH

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AP2141A/ AP2151A
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH
Description
The AP2141A and AP2151A are integrated high-side power switches
optimized for Universal Serial Bus (USB) and other hot-swap
applications. The family of devices complies with USB 2.0 and is
available with both polarities of Enable input. They offer current and
thermal limiting 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.
Pin Assignments
All devices are available in SO-8, MSOP-8EP, SOT25, and
U-DFN2018-6 packages.
Features
Single USB Port Power Switches
Over-Current and Thermal Protection
0.8A Accurate Current Limiting
Reverse Current Blocking
95mOn-Resistance
Input Voltage Range: 2.7V - 5.5V
0.6ms Typical Rise Time
Very Low Shutdown Current: 1µA (max)
Fault Report (FLG) with Blanking Time (7ms typ)
ESD Protection: 4kV HBM, 400V MM
Active High (AP2151A) or Active Low (AP2141A) Enable
Ambient Temperature Range -40°C to +85°C
SOT25, SO-8, MSOP-8EP (Exposed Pad), and U-DFN2018-6:
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
IEC60950-1 CB Scheme Certified
( Top View )
OUT 1
GND 2
FLG 3
5 IN
4 EN
SOT25
Applications
Consumer Electronics – LCD TVs & Monitors, Game Machines
Communications – Set-Top-Boxes, GPS Systems, Smartphones
Computing – Laptops, Desktops, Servers, Printers, Docking
Stations, HUBs
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.
AP2141A/ AP2151A
Document number: DS37615 Rev. 1 - 2
1 of 17
www.diodes.com
March 2015
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP2151A Datasheet

0.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH

No Preview Available !

Typical Applications Circuit
AP2141A/ AP2151A
Available Options
Part Number
AP2141A
AP2151A
Channel
1
1
Enable Pin (EN)
Active Low
Active High
Current Limit (typical)
0.8A
0.8A
Recommended Maximum Continuous Load Current
0.5A
0.5A
Pin Descriptions
Pin
Name
GND
IN
EN
FLG
OUT
NC
Exposed
Pad
SO-8
1
2, 3
4
5
6, 7
8
Pin Number
MSOP-8EP SOT25
12
2, 3 5
44
53
6, 7 1
8 N/A
Exposed
Pad
U-DFN2018-6
Function
1 Ground
2 Voltage Input Pin (all IN pins must be tied together externally).
3 Enable Input. Active Low (AP2141A) or Active High (AP2151A).
4
Over-Current and Over-Temperature Fault Report.
Open-Drain Flag is Active Low When Triggered
5, 6 Voltage Output Pin (all OUT pins must be tied together externally).
N/A No internal connection; recommend tie to OUT pins
Exposed
Pad
Exposed Pad.
It should be externally connected to GND plane and thermal mass for
enhanced thermal impedance.
It should not be used as electrical ground conduction path.
AP2141A/ AP2151A
Document number: DS37615 Rev. 1 - 2
2 of 17
www.diodes.com
March 2015
© Diodes Incorporated


Part Number AP2151A
Description 0.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH
Maker Diodes
Total Page 17 Pages
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