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AP22850 Datasheet

10V SINGLE CHANNEL PROGRAMMABLE LOAD SWITCH

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AP22850
10V SINGLE CHANNEL PROGRAMMABLE LOAD S0WITCH
Description
AP22850 is an integrated P-Channel load switch, which features an
adjustable ramp-up and discharge rate that can be set via an external
capacitor and a resistor, respectively. In addition, it incorporates a
power goodoutput to flag when the switch is fully enhanced. The P-
Channel switch has a typical RDS(ON) of 21m, enabling a current
handling capability of up to 8A.
AP22850 is designed to operate from 4.5V to 11V. The near-zero
quiescent supply current makes it ideal for use in battery powered
distribution systems where power consumption is a concern.
Even as a P-Channel load switch, AP22850 does not require an
external gate pull-up resistor, and consequently, stays true to its
headlining feature of near-zero quiescent current specification. It also
features circuitry to suppress fast input transients (with EN low) from
coupling to VOUT.
Pin Assignments
Top View
Bottom View
SS 1
EN 2
VIN 3
VIN 4
VOUT
8 DIS
8
7 PG
7
6 VBIAS 6
5 GND 5
W-DFN2020-8
VOUT
1 SS
2 EN
3 VIN
4 VIN
Feature
Near-Zero Quiescent Current
No External Gate Pull-Up Resistor Required
Suppresses Fast Transients on VIN
4.5V to 11V Input Voltage Range
Low Typical RDS(ON) of 21m
Adjustable Start-Up and Discharge Rate
Small Form Factor Package W-DFN2020-8
Footprint of just 4mm2
Thermally Efficient Package with an Exposed Pad
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Lead-Free Plating (NiPdAu Finish over Copper Leadframe).
Terminals: Solderable per MIL-STD-202, Method 208 e4
Weight: TBD grams (Approximate)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Integrated Load Switches in Ultrabook PCs
Power Up/Down Sequencing in Ultrabook PCs
Tablets
Notebooks / Netbooks
E-Readers
Consumer Electronics
Set-Top Boxes
Industrial Systems
Telecom Systems
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.
AP22850
Document number: DS36540 Rev. 2 - 2
1 of 14
www.diodes.com
March 2015
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP22850 Datasheet

10V SINGLE CHANNEL PROGRAMMABLE LOAD SWITCH

No Preview Available !

Typical Applications Circuit
ON
OFF
VIN VOUT
VBIAS
EN
AP22850
RDIS CSS CL
DIS
SS
RL
PG
GND
RPULL-UP
AP22850
0
Pin Descriptions
Pin Name
SS
EN
VIN
GND
VBIAS
PG
DIS
VOUT
Pin Number
Function
1
Soft-Start Adjust
An external capacitor connected between this pin and VOUT sets the ramp-up time of VOUT
2
Enable Input
Active high
3, 4
Input Voltage
Connects to the Source of the P-channel MOSFET
5 Ground
6
7
8
PAD
Supply Voltage
Recommended range: 2.5V ≤ VBIAS ≤ 5.5V
Power Good
Open-drain output to indicate when the P-channel pass switch is fully enhanced
Output Discharge
An external resistor between DIS and VOUT sets the discharge rate of VOUT
Output Voltage
PAD connects to the Drain of the P-channel MOSFET
AP22850
Document number: DS36540 Rev. 2 - 2
2 of 14
www.diodes.com
March 2015
© Diodes Incorporated


Part Number AP22850
Description 10V SINGLE CHANNEL PROGRAMMABLE LOAD SWITCH
Maker Diodes
Total Page 14 Pages
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