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PDF NCP392A Data sheet ( Hoja de datos )
| Número de pieza | NCP392A | |
| Descripción | Adjustable Front End Overvoltage Protection Controller | |
| Fabricantes | ON Semiconductor | |
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NCP392A
Adjustable Front End
Overvoltage Protection
Controller with Protected
Vbus Output
The NCP392A is an overvoltage front end protection and be able to
disconnect the systems from its output pin in case wrong input
operating conditions are detected, up to +28 V. Due to this device
using internal NMOS, no external device is necessary, reducing the
system cost and the PCB area of the application board.
Internal OVLO threshold is available, or can be adjusted if external
resistor bridge is used (A version).
At power up (EN pin = low level), the Vout turns on tstart time after
internal timer elapsed.
A LDO, internally connected on IN pin, provided a protected output
voltage even if an over voltage is present on IN pin.
Features
• Over−voltage Protection Up to + 28 V
• On−chip Low RDS(on) NMOS Transistors: Typical 34 mW
• Over−voltage Lockout (OVLO)
• Externally Adjustable OVLO
• Protected VBUS Indicator Output VBUS_DET
• Internal 15 ms Startup Delay
• 100 ms Start Up Delay Option (B Version)
• Shutdown EN Input
• + 86 V Surge Capability, in Compliance with IEC61000−4−5
• Compliance to IEC61000−4−2 (Level 4)
8 kV (Contact)
15 kV (Air)
• ESD Ratings:
Machine Model = B (200 V)
Human Body Model = 2 (2 kV)
• CSP−12 package 1.3 x 2.0 mm, 0.4 mm Pitch
• This is a Pb−Free Device
Typical Applications
• Cell Phones
• Tablets
• Camera Phones
• Digital Still Cameras
• Personal Digital Applications.
www.onsemi.com
MARKING
DIAGRAM
WLCSP 12
FCC SUFFIX
CASE 567JM
392AR
AYWW
G
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Package
PIN CONNECTION
123
4
A
/EN
OUT
OUT
PGND
B
VBUS
_D
OUT
IN PGND
C
OVLO
IN
IN PGND
(Top View)
ORDERING INFORMATION
See detailed ordering, marking and shipping information on
page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
April, 2015 − Rev. 4
1
Publication Order Number:
NCP392A/D
1 page  
NCP392A
Table 3. ELECTRICAL CHARACTERISTICS Min / Max limits values (−40°C < TA < +85°C and TJ = 125°C) and Vin = +5 V
(Unless otherwise noted). Typical values are TA = +25°C.
Characteristics
Symbols
Conditions
Min Typ Max Unit
VBUS_DET (A Version)
VBUS_DET Regulation
VBUS_DET Pass Through
VBUS_DET ron
VBUS_DET Current
VBUSTHRES
LDORON
Vin > VBUSTHRES
Vin < VBUSTHRES, I load 1 mA
6.5 9 V
Vin – 0.2
Vin V
60 W
1.5 mA
LOGIC
EN Voltage High
Vih
1.2 V
EN Voltage Low
Vil
0.4 V
EN Pull−down
TIMINGS
ENpd
100 kW
Start up Time
Enable time
Soft start
tSTART
tEN
tRISE
From Vin > 2.8 V to 10% Vout, /EN low
Vin present, From /EN high to low, 10% Vout
From 10% to 90% of Vout, C load 100 mF,
Rload, 100 W, /EN low
15
15
1
ms
ms
ms
VBUS_DET rise time
tVBUS
/EN low, From Vin applied to 90%
VBUS_DET, 4.7 mF load
2 ms
Turn off time
Disable time
OVLO turn off time
TSD
tOFF
tDIS
tOVLO
Surge off time
From EN >1.2 V to 90% Vout. No load
Vin rising 2 V/ms
100 ns
20 ms
1.5 ms
Thermal shutdown
TSD
140 °C
Thermal shutdown rearming
TSD rearm
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.
3. Please contact your ON Semiconductor representative for additional OVLO threshold.
Electrical parameters are guaranteed by correlation across the full range of temperature.
www.onsemi.com
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NCP392A.PDF ] | |
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