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AP2181D Datasheet

1.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH

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AP2181D/AP2191Dwww.DataSheet4U.com
1.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
Description
Pin Assignments
The AP2181D and AP2191D 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 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.
All devices are available in SO-8, MSOP-8, MSOP-8-EP,
SOT25, and DFN2018-6 packages.
Features
• Single USB port power switches with output discharge
• Over-current and thermal protection
• 2.1A accurate current limiting
• Fast transient response
• Reverse Current Blocking
• 90mon-resistance
• Input voltage range: 2.7V – 5.5V
• 0.6ms typical rise time
• Very low shutdown current: 1uA (max)
• Fault report (FLG) with blanking time (7ms typ)
• ESD protection: 4KV HBM, 300V MM
• Active high (AP2191D) or active low (AP2181D) enable
• Ambient temperature range -40ºC to 85°C
• SO-8, MSOP-8, MSOP-8-EP (Exposed Pad), SOT25, and
DFN2018-6: Available in “Green” Molding Compound (No
Br, Sb)
• Lead Free Finish / RoHS Compliant (Note 1)
• UL Recognized, File Number E322375 (pending)
• IEC60950-1 CB Scheme Certified
Applications
• Consumer electronics – LCD TV & Monitor, Game
Machines
• Communications – Set-Top-Box, GPS, Smartphone
• Computing – Laptop, Desktop, Servers, Printers, Docking
Station, HUB
GND 1
( Top View )
8 NC
IN 2
7 OUT
IN 3
6 OUT
EN 4
SO-8
5 FLG
( Top View )
GND
IN
IN
EN
1
2
3
4
8 NC
7 OUT
6 OUT
5 FLG
MSOP-8 / MSOP-8-EP
Note: latter with exposed pad (dotted line)
( Top View )
OUT
GND
FLG
1
2
3
5 IN
4 EN
SOT25
( Top View )
GND 1
6 OUT
IN 2
5 OUT
EN 3
4 FLG
DFN2018-6
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
AP2181D/2191D
Document number: DS32251 Rev. 1 - 2
1 of 18
www.diodes.com
June 2010
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP2181D Datasheet

1.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH

No Preview Available !

Typical Application Circuit
AP2181D/AP2191Dwww.DataSheet4U.com
1.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2191D Enable Active High
Power Supply
2.7V to 5.5V
IN
10k 10uF 0.1uF
OUT
ON
OFF
FLG
EN GND
Load
0.1uF
120uF
Available Options
Part Number
AP2181D
AP2191D
Channel
1
1
Enable pin (EN)
Active Low
Active High
Current limit
(typical)
2.1A
2.1A
Recommended maximum
continuous load current
1.5A
1.5A
Pin Descriptions
Pin
Name
GND
IN
EN
FLG
OUT
NC
Pin Number
SO-8
MSOP-8
SOT25 DFN2018-6
MSOP-8-EP
1 2 1 Ground
Descriptions
2, 3 5
44
2 Voltage input pin (all IN pins must be tied together externally)
3 Enable input, active low (AP2181D) or active high (AP2191D)
5
3
4
Over-current and over-temperature fault report; open-drain
flag is active low when triggered
6, 7
1
5, 6
Voltage output pin (all OUT pins must be tied together
externally)
8 N/A N/A No internal connection; recommend tie to OUT pins
AP2181D/2191D
Document number: DS32251 Rev. 1 - 2
2 of 18
www.diodes.com
June 2010
© Diodes Incorporated


Part Number AP2181D
Description 1.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH
Maker Diodes Incorporated
Total Page 18 Pages
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