Document
NEW PRODUCT
AP22800
5V SINGLE CHANNEL PROGRAMMABLE LOAD SWITCH
Description
The AP22800 is an integrated N-channel load switch, which features an adjustable ramp-up and discharge rate that are settable via an external capacitor and a resistor, respectively. In addition, it incorporates a ‘power good’ output to flag when the switch is enhanced. The N-channel MOSFET has a typical RDS(ON) of 16mΩ, enabling current handling capability of up to 4A.
The AP22800 is designed to operate from 1.5V to 5.5V making it ideal for 1.8V, 2.5V, 3.3V, 5V voltage rails. The low quiescent supply current specification of 21µA makes it ideal for use in battery powered distribution systems where power consumption is a concern.
The AP22800 is available in a standard Green U-DFN2116-8 package with an exposed PAD for improved thermal performance and is RoHS compliant.
Features
1.5V to 5.5V Input Range Low Typical RDS(ON) of 16mΩ Very Low Quiescent Current of 21µA Adjustable Start-Up and Discharge Rate Small Form Factor Package U-DFN2116-8
– Footprint of just 3.36mm2 Thermally Efficient Low Profile Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
Top View
Bottom View
VIN 1 VIN 2 EN 3 SS 4
GND
8 VOUT 8 7 VOUT 7 6 DIS 6 5 PG 5
U-DFN2116-8
GND
1 VIN 2 VIN 3 EN 4 SS
Applications
Integrated Load Switches in Ultrabook PCs Power Up/Down Sequencing in Ultrabook PCs Tablets SSD (Solid State Drives) Consumer Electronics Telecom Systems Set-top Boxes 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/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.
Typical Applications Circuit
CIN
CSS
ON OFF
VIN VOUT RDIS
SS AP22800 DIS
CL RPG
RL
EN PG GND
AP22800
Document number: DS36046 Rev. 3 - 2
1 of 14 www.diodes.com
January 2015
© Diodes Incorporated
Pin Descriptions
AP22800
Pin Name VIN EN SS PG
DIS
VOUT GND
Pin Number 1, 2 3 4 5
6
7, 8 PAD
Function Input Voltage. Enable Input, Active High. Soft-Start Adjust. An external capacitor connected to this pin will set the ramp-up time of VOUT. Power Good. Open-drain output to indicate when the switch is fully enhanced. Output Discharge. An external resistor between DIS and VOUT sets the discharge rate at VOUT when EN goes low. Output Voltage. This pin connects to the Source of the N-channel MOSFET. Ground.
NEW PRODUCT
Functional Block Diagram
VIN SS
Charge Pump
PPoowweerr GGoooodd?
EN
AP22800
Document number: DS36046 Rev. 3 - 2
GND
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VOUT PG
DIS
January 2015
© Diodes Incorporated
NEW PRODUCT
AP22800
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.) (Note 4)
Symbol ESD HBM ESD MM
VIN VOUT VEN
IL TJ(max)
TST
PD
Parameter Human Body ESD Protection Machine Model ESD Protection Input Voltage Output Voltage Enable Voltage Load Current Maximum Junction Temperature Storage Temperature
Power Dissipation
RθJA RθJC
Thermal Resistance, Junction to Ambient Thermal Resistance, Junction to Case
(Note 5) (Note 6) (Note 5) (Note 6)
Ratings 2000 200 6.0 6.0 6.0 4.0 +125
-55 to +150 0.35 1.42 290 71 8.5
Units V V V V V A °C °C
W
°C/W
°C/W
Notes:
4. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These are stress ratings only; functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may be affected by exposure to absolute maximum rating conditions for extended periods of time.
5. For a device surface mounted on minimum recommended pad layout, in still air conditions; the device is measured when operating in a steady state condition.
6. For a device surface mounted on 25mm by 25mm by 1.6mm FR4 PCB with high coverage of single sided 2oz copper, in still air conditions; the device is measured when operating in a steady state condition.
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol VIN VEN VPG TA
Parameter Input Voltage Range Enable Voltage Range Power Good Voltage Range Operating Ambient Temperature
Min 1.5 0 0 -40
Max 5.5 5.5 5.5 +85
Units V V V °C
AP22800
Document number: DS36046 Rev. 3 - 2
3 of 14 www.diodes.com
January 2015
© Diodes Incorporated
NEW PRODUCT
AP22800
Electrical Characteristics (@TA = +25°C, CIN = 1µF, CL = 100nF, unless otherwise specified.)
Symbol IIN_Q IIN_SD
RDS(ON) VIH_EN VIL_EN ILEAK_EN RDS_DIS VOL_PG IOZ_PG tRISE
tON tFALL tOFF
tD tPG
Parameters Input Quiescent Current Input Shutdown Current Load Switch On-Resistance EN Input Logic High Voltage EN Input Logic Low Voltage .