AP2145_10 Datasheet, PDF (1/13 Pages) Diodes Incorporated – 0.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE

AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
Description
The AP2145 and AP2155 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 and MSOP-8EP packages.
Features
• Single USB port power switches
• Over-current and thermal protection
• 0.8A accurate current limiting
• Reverse Current Blocking
• 90mΩ on-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: 6KV HBM, 400V MM
• Active high (AP2155) or active low (AP2145) enable
• Ambient temperature range -40ºC to 85°C
• SO-8 and MSOP-8EP (Exposed Pad): Available in
“Green” Molding Compound (No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1)
• UL Recognized, File Number E322375
• IEC60950-1 CB Scheme Certified
Pin Assignments
SO-8
EN 1
8 OUT
FLG 2
7 IN
GND ³
6 OUT
NC ⁴
5 NC
(Top View)
MSOP-8EP
EN 1
FLG 2
GND 3
NC 4
8 OUT
7 _IN
6 OUT
5 NC
(Top View)
Applications
• Consumer electronics – LCD TV & Monitor, Game Machines
• Communications – Set-Top-Box, GPS, Smartphone
• Computing – Laptop, Desktop, Servers, Printers, Docking
Station, HUB
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.
Typical Application Circuit
Power Supply
2.7V to 5.5V
IN
10k 10uF ^0.1uF
OUT
Load
0.1uF _120uF
FLG
Available Options
Part Number
AP2145
AP2155
ON
OFF
EN _GND
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
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2
1 of 13
www.diodes.com
September 2010
© Diodes Incorporated