ap2281 Diodes, Inc., ap2281 Datasheet

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ap2281

Manufacturer Part Number
ap2281
Description
Single Slew Rate Controlled Load Switch
Manufacturer
Diodes, Inc.
Datasheet

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Features
Applications
Ordering Information
Notes:
AP2281 Rev. 2
AP2281-1W
AP2281-3W
Device
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf
(No Br, Sb)
Wide input voltage range: 1.5V – 6V
Low R
Turn-on slew rate controlled
AP2281-1: 1ms turn-on rise time
AP2281-3: 100us turn-on rise time with internal discharge
Very low turn-on quiescent current: << 1uA
Fast load discharge option
Temperature range -40ºC to 85°C
SOT26: Available in “Green” Molding Compound
Lead Free Finish/ RoHS Compliant (Note 1)
Smart Phones
PDA
Cell Phones
GPS Navigators
PMP/MP4
Notebook and Pocket PC
Turn-on rise time
DS(ON)
1 : 1ms
3 : 100us
: 80mΩ typical @ 5V
Package Code
W
W
AP2281 -
W : SOT26
www.diodes.com
Package
Packaging
(Note 2)
SOT26
SOT26
1 of 11
X
XX X X
Single Slew Rate Controlled Load Switch
The AP2281 slew rate controlled load switch is a single P-channel
MOSFET power switch designed for high-side load-switching
applications. The MOSFET has a typical R
allowing increased load current handling capacity with a low
forward voltage drop. The turn-on slew rate of the device is
controlled internally.
The AP2281 load switch is designed to operate from 1.5V to 6V,
making it ideal for 1.8V, 2.5V, 3.3V, and 5V systems. The typical
quiescent supply current is only 0.01uA.
Description
Lead Free
G : Green
3000/Tape & Reel
3000/Tape & Reel
Quantity
7” Tape and Reel
- 7 : Tape & Reel
Packing
Part Number Suffix
DS(ON)
©
AP2281
Diodes Incorporated
of 80mΩ at 5V,
-7
-7
MAY 2008

Related parts for ap2281

ap2281 Summary of contents

Page 1

... The MOSFET has a typical R allowing increased load current handling capacity with a low forward voltage drop. The turn-on slew rate of the device is controlled internally. The AP2281 load switch is designed to operate from 1.5V to 6V, making it ideal for 1.8V, 2.5V, 3.3V, and 5V systems. The typical quiescent supply current is only 0.01uA. AP2281 - ...

Page 2

... Voltage input pin. This is the pin to the P-channel MOSFET source. Bypass to ground through a 1µF capacitor. Options Part Number Slew Rate (typ) AP2281-1 1ms AP2281-3 100us AP2281 Rev. 2 Single Slew Rate Programmable Load Switch (Top View) OUT GND 5 GND 2 ...

Page 3

... Block Diagram IN EN Typical Application Circuit V IN AP2281 Rev. 2 Single Slew Rate Programmable Load Switch Slew Rate Control GND IN OUT 1uF Enable EN GND www.diodes.com AP2281 OUT V OUT 0.1uF MAY 2008 © Diodes Incorporated ...

Page 4

... J 4. Ratings apply to ambient temperature at 25°C. Recommended Operating Conditions Symbol V Input voltage IN I Output Current OUT T Operating Ambient Temperature A AP2281 Rev. 2 Single Slew Rate Programmable Load Switch Parameter SOT26 SOT26 (Note Parameter www.diodes.com AP2281 Ratings Unit 5 KV 500 V 6 ...

Page 5

... IN ≥ 5.25V =10Ω load AP2281-1, R =10Ω load AP2281-3, R =10Ω load R =10Ω load For AP2281-3 only GND EN SOT26 (Note 5) SOT26 (Note www.diodes.com AP2281 Min Typ. Max Unit μA ⎯ 0.01 1 ⎯ μA 0.01 1 ⎯ ...

Page 6

... R vs. Input Voltage DS(ON) 300.00 250.00 200.00 150.00 100.00 50.00 1.5 2 2.5 3 3.5 Input Voltage (V) ENABLE Threshold vs. Input Voltage 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 1.5 2.0 2.5 3.0 3.5 4.0 Input Voltage (V) AP2281 Rev. 2 Single Slew Rate Programmable Load Switch 0.010 0.008 0.006 0.004 0.002 4.0 5 0.000 200.00 I=100mA 180.00 I=500mA 160.00 I=1A 140.00 I=2A 120.00 100.00 80.00 60.00 40.00 20.00 0.00 4 4.5 5 5.5 6 ...

Page 7

... Time (500μs/div) AP2281-1 Turn-On (V =5V, R =10Ω (5V/div) V OUT (2V/div (500mA/div) Time (500μs/div) AP2281 Rev. 2 Single Slew Rate Programmable Load Switch (Continued) =7Ω (5V/div) V OUT (2V/div (500mA/div (5V/div) V OUT (2V/div (500mA/div www ...

Page 8

... Time (50μs/div) AP2281-3 Turn-On (V =5V, R =10Ω (5V/div) V OUT (2V/div (500mA/div) Time (50μs/div) AP2281 Rev. 2 Single Slew Rate Programmable Load Switch (Continued) =7Ω (5V/div) V OUT (2V/div (500mA/div (5V/div) V OUT (2V/div (500mA/div www ...

Page 9

... OUT and GND pins, and keep the traces as short as possible. ENABLE/SHUTDOWN Operation The AP2281 is turned on by setting the EN pin high, and is turned off by pulling it low. To ensure proper operation, the signal source used to drive the EN pin must be able to swing above and below the specified turn-on/off ...

Page 10

... Marking Information Package Information AP2281 Rev. 2 Single Slew Rate Programmable Load Switch (Top View AP2281 AP2281 Year : 0 Month : A Green SOT26 www.diodes.com AP2281 MAY 2008 © Diodes Incorporated ...

Page 11

... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AP2281 Rev. 2 Single Slew Rate Programmable Load Switch IMPORTANT NOTICE ...

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