Current Limited Load Switch
General Description
The AAT4610A SmartSwitch鈩?is a member of
AnalogicTech鈩?s Application Specific Power
MOSFET鈩?(ASPM鈩? product family. It is a Current
Limited P-channel MOSFET power switch designed
for high-side load-switching applications. This switch
operates with inputs ranging from 2.4V to 5.5V, mak-
ing it ideal for both 3V and 5V systems. An inte-
grated current-limiting circuit protects the input sup-
ply against large currents which may cause the sup-
ply to fall out of regulation. The AAT4610A is also
protected from thermal overload which limits power
dissipation and junction temperatures. It can be
used to control loads that require up to 1 A. Current
limit threshold is programmed with a resistor from
SET to ground. The quiescent supply current is typ-
ically a low 9碌A(chǔ). In shutdown mode, the supply cur-
rent decreases to less than 1碌A(chǔ).
The AAT4610A is available in a 5 pin SOT-23 or 8
pin SC70JW specified over -40 to 85擄C.
The AAT4600 Series is a family of adjustable and
fixed SmartSwitch鈩?with a range of current han-
dling capabilities. Available are single versions in
adj. current limit (AAT4600, AAT4601) as well as in
fixed current limit (AAT4602, AAT4625). Dual ver-
sions (AAT4620, AAT4626) are also available.
AAT4610A
Features
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SmartSwitch
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2.4V to 5.5V Input voltage range
Programmable over current threshold
Fast transient response:
鈥?400ns response to short circuit
Low quiescent current
鈥?9碌A(chǔ) typical
鈥?1碌A(chǔ) max with Switch off
145m鈩?typical R
DS(ON)
Only 2.5V needed for ON/OFF Control
Undervoltage Lockout
Thermal shutdown
Temp range -40 to 85擄C
4kV ESD Rating
UL Approved鈥擣ile No. E217765
5 pin SOT-23 or 8-pin SC70JW package
Preliminary Information
Applications
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Peripheral ports
Notebook computers
Personal communication devices
Hot swap supplies
UL Recognized Component
Typical Application
INPUT
5
IN
AAT4610A
SOT-23
OUT
1
OUTPUT
ON (ON)
4
ON/(ON)
GND
2
SET
3
1碌F
R
SET
0.47碌F
GND
GND
4610A.2003.05.0.92
1
AAT4610AIGV-T1 產(chǎn)品屬性
Skyworks
電源開(kāi)關(guān) IC - 配電
1
2.4 V to 5.5 V
+ 85 C
SMD/SMT
SOT-23-5
- 40 C
1 A
Reel
3000
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