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PDF AP2331SA-7 Data sheet ( Hoja de datos )
| Número de pieza | AP2331SA-7 | |
| Descripción | 0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH | |
| Fabricantes | Diodes | |
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AP2331
0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
Description
The AP2331 is single channel current-limited integrated high-side
power switches optimized for hot-swap applications. The devices
have fast short-circuit response time for improved overall system
robustness and provide a complete protection solution for application
subject to heavy capacitive loads and the prospect of short circuit. It
offers reverse-current blocking, over-current, over-temperature and
short-circuit protection, as well as controlled rise time and under-
voltage lockout functionality.
The device is available in SOT23 and SC59 packages.
Features
• Input voltage range: 2.7V – 5.2V
• Fast short-circuit response time
• 0.4A accurate current limiting
• 250mΩ on-resistance
• Reverse-current blocking
• Built-in soft-start with 0.7ms typical turn-on time
• Over-current protection
• Over-voltage protection
• Short-circuit and thermal protection
• ESD protection: 3KV HBM, 300V MM
• Ambient temperature range: -40°C to +85°C
• 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)
• UL recognized, file number E322375
• IEC60950-1 CB scheme certified
Pin Assignments
(Top View)
GND
OUT
IN
SOT23
(Top View)
GND
OUT
IN
SC59
Applications
• LCD TVs & Monitors
• Set-Top-Boxes, Residential Gateways
• Laptops, Desktops, Servers
• Printers, Docking Stations, HUBs
• Smart phones, e-Readers
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
Typical Application Circuit
Power Supply
2.7V to 5.2V
IN
OUT
0.1µF
GND
0.1µF
Load
AP2331
Document Number: DS35529 Rev. 4 - 2
1 of 11
www.diodes.com
May 2012
© Diodes Incorporated
1 page  
AP2331
0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
Typical Performance Characteristics (cont.)
Output Over-Voltage Trip Point
Output Turn-On Time
OVP at 5.4V
OVP recovery
at 5.1V
140
120
100
80
60
40
10ms/div
VIN = 5.2V
VIN = 5V
VIN = 3.3V
VIN = 2.7V
20
0
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
Fig. 1 Quiescent Supply Current vs.
Ambient Temperature
0.45
0.40
0.35
0.30
0.25
CL = 1µF
RL = 5Ω
0.20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Fig. 3 Output Turn On-Time vs. Input Voltage
CL=0.1µF
Rload=20Ω
200µs/div
0.408
0.406
0.404
0.402
0.400
VIN = 3.3V
VIN = 2.7V
0.398
0.396
0.394
0.392
VIN = 5V,
0.390
VIN = 5.2V
CL = 10µF
0.388
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
Fig. 2 Short Circuit Current Limit vs.
Ambient Temperature
500
450
400
350
300
250
200
150
100
50
0
-40
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
VIN = 5V
-20 0 20 40 60
AMBIENT TEMPERATURE (°C)
Fig. 4 Switch On-Resistance vs.
Ambient Temperature
80
AP2331
Document Number: DS35529 Rev. 4 - 2
5 of 11
www.diodes.com
May 2012
© Diodes Incorporated
5 Page 
AP2331
0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability
arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any
license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described
herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names
and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2012, Diodes Incorporated
www.diodes.com
AP2331
Document Number: DS35529 Rev. 4 - 2
11 of 11
www.diodes.com
May 2012
© Diodes Incorporated
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