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?Semiconductor Components Industries, LLC, 2013
April, 2013  Rev. 12
1
Publication Order Number:
NCP380/D
NCP380, NCV380
Fixed/Adjustable Current
Limiting PowerDistribution
Switches
The NCP380 is a high side power-distribution switch designed for
applications where heavy capacitive loads and short-circuits are likely
to be encountered. The device includes an integrated 55 mW (DFN
package), P-channel MOSFET. The device limits the output current to
a desired level by switching into a constant-current regulation mode
when the output load exceeds the current-limit threshold or a short is
present. The current-limit threshold is either user adjustable between
100 mA and 2.1 A via an external resistor or internally fixed. The
power-switch rise and fall times are controlled to minimize current
ringing during switching.
An internal reverse-voltage detection comparator disables the
power-switch if the output voltage is higher than the input voltage to
protect devices on the input side of the switch.
The FLAG
  logic output asserts low during over current,
reverse-voltage or over temperature conditions. The switch is
controlled by a logic enable input active high or low.
Features
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> 2.5 V  5.5 V Operating Range
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> 70 mW High-side MOSFET
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Current Limit:
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> User adjustable from 100 mA to 2.1 A
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Fixed 500 mA, 1 A, 1.5 A, 2 A and 2.1 A
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Under Voltage Lock-out (UVLO)
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Built-in Soft-start
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Thermal Protection
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Soft Turn-off
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Reverse Voltage Protection
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Junction Temperature Range: 40?/SPAN>C to 125?/SPAN>C
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Enable Active High or Low (EN or EN
)
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Compliance to IEC6100042 (Level 4)
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> 8.0 kV (Contact)
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> 15 kV (Air)
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> UL Listed  File No. E343275
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AECQ100
Qualified and PPAP Capable
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> These are Pb-Free Devices
Typical Applications
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> Laptops
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> USB Ports/Hubs
?SPAN class="pst NCP380HMU21AATBG_2471029_4"> TVs
UDFN6
CASE 517AB
MARKING DIAGRAMS
http://onsemi.com
XX M
1
2
3
6
5
4
TSOP5
CASE 483
1
5
XXXAYWG
G
(Note: Microdot may be in either location)
TSOP6
CASE 318G
XXX = Specific Device Code
A
=Assembly Location
M    = Date Code
Y
= Year
W    = Work Week
G
= PbFree Package
XXXAYWG
G
1
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
ORDERING INFORMATION
UDFN6
TSOP5
TSOP6
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