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PDF NCV380 Data sheet ( Hoja de datos )
| Número de pieza | NCV380 | |
| Descripción | Fixed/Adjustable Current Limiting Power DistributionSwitches | |
| Fabricantes | ON Semiconductor | |
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NCP380, NCV380
Fixed/Adjustable
Current‐Limiting
Power‐Distribution
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
500 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
• 2.5 V – 5.5 V Operating Range
• 70 mW High-side MOSFET
• Current Limit:
♦ User adjustable from 500 mA to 2.1 A
♦ Fixed 500 mA, 1 A, 1.5 A, 2 A and 2.1 A
• Under Voltage Lock-out (UVLO)
• Built-in Soft-start
• Thermal Protection
• Soft Turn-off
• Reverse Voltage Protection
• Junction Temperature Range: −40°C to 125°C
• Enable Active High or Low (EN or EN)
• Compliance to IEC61000−4−2 (Level 4)
♦ 8.0 kV (Contact)
♦ 15 kV (Air)
• UL Listed − File No. E343275
• NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
• These are Pb-Free Devices
Typical Applications
• Laptops
• USB Ports/Hubs
• TVs
www.onsemi.com
UDFN6
CASE 517AB
TSOP−5
CASE 483
TSOP−6
CASE 318G
MARKING DIAGRAMS
16
2 XXMG 5
3G4
UDFN6
5
XXXAYWG
G
1
TSOP−5
XXXAYWG
G
1
TSOP−6
XXX = Specific Device Code
A =Assembly Location
M = Date Code
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
July, 2016 − Rev. 16
1
Publication Order Number:
NCP380/D
1 page  
NCP380, NCV380
Table 4. ELECTRICAL CHARACTERISTICS (continued)
(Min & Max Limits apply for TA between −40°C to +85°C and TJ up to +125°C for VIN between 2.5 V to 5.5 V (Unless otherwise noted).
Typical values are referenced to TA = +25°C and VIN = 5 V.)
Symbol
Parameter
Conditions
Min Typ Max Unit
FLAG PIN
VOL
ILEAK
TFLG
FLAG Output Low Voltage
Off-state Leakage
FLAG Deglitch
IFLAG = 1 mA
400 mV
VFLAG = 5 V
1.0 mA
FLAG De-assertion Time due to Overcurrent or
Reverse Voltage Condition
4.0 6.0
9.0 ms
TFOCP FLAG Deglitch
THERMAL SHUTDOWN
FLAG Assertion due to Overcurrent
6.0 8.0
12 ms
TSD
TSDOCP
TRSD
Thermal Shutdown Threshold
Thermal Regulation Threshold
Thermal Shutdown Rearming
Threshold
140 °C
125 °C
115 °C
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
10. Parameters are guaranteed for CLOAD and RLOAD connected to the OUT pin with respect to the ground, See Figure 3.
11. Adjustable current version, RILIM tolerance ±1%.
12. Fixed current version.
13. Not production test, guaranteed by characterization.
VIN
1 mF
IN OUT
NCP380
CLOAD
RLOAD
VEN
VEN
VOUT
GND
Figure 3. Test Configuration
50%
TR
TOFF
TON
90%
10%
VOUT
Figure 4. Voltage Waveform
TF
90%
10%
10%
www.onsemi.com
5
5 Page 
NCP380, NCV380
TFOCP
VOUT
IOUT
/FLAG
Figure 14. From No Load to Direct Short Circuit
TFREV
VOUT
VIN
VREV
/FLAG
Figure 15. Reverse Voltage Detection
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11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet NCV380.PDF ] | |
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