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PDF NCP392D Data sheet ( Hoja de datos )
| Número de pieza | NCP392D | |
| Descripción | Adjustable Front End Overvoltage Protection Controller | |
| Fabricantes | ON Semiconductor | |
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NCP392D
Adjustable Front End
Overvoltage Protection
Controller with Protected
Vbus Output
The NCP392D is an overvoltage front end protection controller and
is able to disconnect the systems from its output pin in case wrong
input operating conditions are detected, up to +28 V. Thanks 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 an
external resistor bridge is used.
At power up (EN pin = low level), the Vout turns on tstart time after
internal timer elapsed.
The NCP392D features an ACOK pin that indicates faulty
condition.
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
• Internal 15 ms Startup Delay
• Shutdown EN Input
• ACOK Status Pin
• + 100 V Surge Capability, in Compliance with IEC61000−4−5
Standard
• Compliance to IEC61000−4−2 (Level 4) Standard
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
392DR
AYWW
G
392DR = Specific Device Number
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Package
PIN CONNECTION
123
4
A
EN
OUT
OUT
PGND
B
ACOK
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
November, 2015 − Rev. 2
1
Publication Order Number:
NCP392D/D
1 page  
NCP392D
Table 3. ELECTRICAL CHARACTERISTICS
Min / Max limits values (−40°C < TA < +85°C) and Vin = +5 V (Unless otherwise noted). Typical values are TA = +25°C.
Characteristics
Symbols
Conditions
Min Typ
Max
Unit
Input Voltage Range
Under voltage Lockout
Under voltage Lockout
hysteresis
Vin, VOVLO
UVLO
UVLOhyst
Vin rising
Vin falling
2.8 28 V
2.8 V
− 60 − mV
Internal Over voltage
Lockout threshold
OVLO
Vin rising (Note 3)
NCP392DR
OVLO pin tied to GND − 25°C
6.6
6.8 7.0
V
Internal Over voltage Lockout
hysteresis
OVLOhyst
Vin falling (Note 3)
OVLO pin tied to GND − 25°C
1.5
2.5 %
External OVLO Reference
External Adjustable OVLO
OVLO_EXT
NCP392DR
1.18 1.221 1.26
4 20
V
V
Over−Voltage Lockout
Hysteresis
OVLOEXThyst
Vin falling
2%
External OVLO select
threshold
OVLOSEL
0.2 0.3 V
Vin versus Vout Resistance
Supply Quiescent Current
Standby Current
OVLO Supply current
OVLO select leakage
LOGIC
RDSon
IDD
ISTB
IIN_OVLO
IOVLO
Vin = 5 V, EN = GND, –40°C < TJ < 125°C
No load, EN = 0.4 V
No load, EN = 1.2 V,
VOVLO = 3 V, VIN = 5 V, VOUT = 0 V
34 50 mW
58 100 mA
6 mA
60 100 mA
100 nA
EN Voltage High
EN Voltage Low
ACOK Output Low Voltage
TIMINGS
VIH
VIL
VOL
ISINK = 1 mA
1.2
0.4
0.4
V
V
V
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 ms
15 ms
1 ms
ACOK Start up time
Turn off time
Disable time
OVLO Turn off time
TSD
tSTART2
tOFF
tDIS
tOVLO
From Vin Valid to ACOK tied low, EN low or high
Surge off time
From EN >1.2 V to 90% Vout. No load
Vin rising 2 V/ms
30
100
20
1.5
ms
ns
ms
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
5
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NCP392D.PDF ] | |
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