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General Description
The AAT4626 SmartSwitch鈩?is part of
AnalogicTech's Application Specific Power
MOSFET鈩?(ASPM鈩? product family. It is a dual-
channel 500mA current-limited P-channel MOSFET
power switch designed for high-side load-switching
applications. This switch operates with inputs rang-
ing from 2.7V to 5.5V, making it ideal for both 3V
and 5V systems. An integrated current-limiting cir-
cuit protects the input supply against large changes
in load current which may cause the supply to fall
out of regulation. The AAT4626 is also protected
from thermal overload which limits power dissipa-
tion and junction temperatures. The current limit
threshold is factory programmed at 1.0A, with a
maximum of 1.5A. The quiescent supply current is
typically a low 20碌A. In shutdown mode, the supply
current decreases to less than 1碌A.
The AAT4626 is available in 8 pin SOP or TSSOP
specified over a -40 to 85擄C temperature range.
The AAT4600 Series is a family of adjustable and
fixed SmartSwitch鈩?products with a range of cur-
rent handling capabilities. Single versions with
adjustable current limit (AAT4601) or fixed current
limit (AAT4625) as well as dual versions with fixed
current limit (AAT4626) are also available.
Features
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Compliant to USB 1.1 and 2.0 specifications
2.7V to 5.5V Input voltage range
500mA (min) continuous current per channel
1.25A (max) current limit per channel
90m鈩?typical R
DS(ON)
Low quiescent current
鈥?Typically 20碌A
鈥?1碌A max with Switches off
Thermal shutdown
Slew rate limited turn on
Fault flag with 2ms blanking
Undervoltage Lockout
Temp range -40 to 85擄C
UL Approved鈥擣ile No. E217765
8 pin SOP or TSSOP package
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Preliminary Information
Applications
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USB ports and peripherals
Notebook computers
Hot swap supplies
General purpose power switching
UL Recognized Component
Typical Application
100k鈩?/div>
100k鈩?/div>
V
CC
5.0V
FLGA
ENA
(ENA)
ENB
(ENB)
0.1碌F
6
2
3
8
5
ENA
1
(ENA)
4
AAT4626
FLGB
OUTA
OUTPUTA
OUTPUTB
ENB
(ENB)
OUTB
47碌F
GND
47碌F
GND
4626.2002.1.0.93
1
AAT4626IAS-T1相關型號PDF文件下載
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