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PDF NCP374 Data sheet ( Hoja de datos )
| Número de pieza | NCP374 | |
| Descripción | Overvoltage Up to +30V and Down to -30V | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP374
Overvoltage Up to +30 V
and Down to -30 V with
Load Switch Function
NCP374 is an over−voltage and over−current protection device.
From IN to VBUS , the part acts as a load switch protection, with
programmable current regulation. The current protection is externally
adjustable.
Additional voltage protection is available, from VBUS to IN. Due to
built−IN low RDS(on) NMOS fet, the host system is protected against
positive and negative voltage up to +28 V and down to −28 V.
The both embedded over−current and over−voltage protection
allows sustaining extreme conditions from short circuit on USB
connector, or defective WA or USB port.
Due to the NCP374 using internal NMOS, the system cost and the
PCB area of the application board are minimized.
NCP374 provides a negative going flag (FLAG) output, which
alerts the system that a fault has occurred.
Features
• Adjustable Over−Current
• Over−voltage Protection Up to 28 V and Down to −28 V
• Logic Pins EN and DIR
• Thermal Shutdown
• On−Chip Low RDS(on) NMOS Transistors
• Over−Voltage Lockout (OVLO)
• Soft Start.
• Real Shutdown Mode
• Alert FLAG Output.
• 12 Leads LLGA 4 x 4 mm Package
• This is a Pb−Free Device
Typical Applications
• USB Ports
• Tablets
• Set Top Box
• Cell Phones
http://onsemi.com
MARKING
DIAGRAM
1
TLLGA12
CASE 513AP
XXXXXX
XXXXXX
ALYWG
G
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
VBUS 1
VBUS 2
GND 3
RES1 4
RES2 5
RES3 6
NCP374
(Top View)
12 NC
11 IN
10 FLAG
9 DIR
8 EN
7 Ilim
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 10 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
May, 2012 − Rev. 0
1
Publication Order Number:
NCP374/D
Free Datasheet http://www.datasheet4u.com/
1 page  
NCP374
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Minimum Voltage (VBus to GND)
Minimum Voltage (All others to GND)
VminVBUS
Vmin
−30
−0.3
V
V
Maximum Voltage (Vbus to GND)
Maximum Voltage (IN to GND)
Maximum Voltage (All others to GND)
VmaxVBUS
VmaxIN
Vmax
30
10
7
V
V
V
Maximum DC current
NCP374MU075TXG
Charge Mode
Vbus Mode
I in
2A
900 mA
Thermal Resistance, Junction to Air, (Note 1)
Operating Ambient Temperature Range
Storage Temperature Range
Junction Operating temperature
Moisture Sensitivity
RqJA
TA
Tstg
TJ
MSL
80
−40 to +85
−65 to +150
150
Level 1
°C/W
°C
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. The RqJA is highly dependent on the PCB heat sink area (connected to PAD1). See PCB recommendation paragraph.
ELECTRICAL CHARACTERISTICS Min / Max limits values (−40°C < TA < +85°C) and IN = +5 V (Unless otherwise noted). Typical
values are TA = +25°C
Characteristics
Symbols
Conditions
Min Typ Max Unit
Input Voltage Range
Vin
2.5 5.5 V
Vbus Voltage Range
Vvbus
All modes
28 V
Under Voltage Lockout Threshold
Under Voltage Lockout Hysteresis
Over voltage Lockout threshold
UVLO
UVLOhyst
OVLO
All modes
IN = 5 V
Vbus falls down UVLO threshold
Disable, Charge mode and Enhance
Modes
Vbus rises up UVLO threshold +
UVLOhyst
Vbus rises up OVLO threshold
−28
−23
2.6
45
5.6
2.7
60
5.77
2.8
75
5.9
V
V
V
mV
V
Over Voltage Lockout Hysteresis
Vbus versus IN Resistance
IN versus Vbus Resistance
OVLOhyst
RDson
Vbus falls down to OVLO −
OVLOhyst
Vbus = 5 V, or IN = 5 V
NCP374MU075TXG
25°C
85°C
45 65 90 mV
mW
90 140
155
Quiescent Current
Standby Current
IddIN
IddSTD
No load. Vbus mode, Vin = 5 V
No load, IN = 5 V. Standby mode,
No Vbus
200 315
0.02 1
mA
mA
Current limit
IOCP
IN = 5 V, Load on Vbus,
Vbus mode
RILIM = 0 W
NCP374MU075TXG
mA
600 750 900
NOTE: Electrical parameters are guaranteed by correlation across the full range of temperature.
http://onsemi.com
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
NCP374
PACKAGE DIMENSIONS
D
PIN ONE
REFERENCE
ÇÇÇÇ2X 0.10 C
2X 0.10 C
TOP VIEW
0.10 C
0.08 C
NOTE 4
SIDE VIEW
D2
b1
1
6
TLLGA12 4x4, 0.5P
CASE 513AP
ISSUE O
AB
E
A
A1
C
SEATING
PLANE
PACKAGE
OUTLINE
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINAL AND IS MEASURED BETWEEN
0.15 AND 0.25 MM FROM THE TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
MILLIMETERS
DIM MIN MAX
A 0.50 0.60
A1 0.00 0.05
b 0.20 0.30
b1 0.35 REF
D 4.00 BSC
D2 3.65 3.75
E 4.00 BSC
E2 2.95 3.05
e 0.50 BSC
L 0.25 0.35
RECOMMENDED
SOLDERING FOOTPRINT*
3.80
12X
0.49
3.06 4.30
12X L
12 7
e
e/2
BOTTOM VIEW
E2
12X b
0.10
0.05
1
0.40
11X 0.30
0.50
PITCH
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
CAB
C NOTE 3
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada
Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada
Email: [email protected]
N. American Technical Support: 800−282−9855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81−3−5817−1050
http://onsemi.com
11
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
NCP374/D
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NCP374.PDF ] | |
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