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WP3881 Datasheet

Over-Voltage Protection IC

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DOCUMENT: I20010
REV LETTER: A
PAGE NO: 1 OF 5
DATE: 2016-03-24
PART NUMBER
WP3881
Over-Voltage
Protection IC
CYG Wayon Circuit protection Co., Ltd.
No. 1001, Shiwan Qi Road, Pudong Area, Shanghai
Tel: 86-21- 50310888 50968308
E-mail: market@way-on.com
Http://www.way-on.com
Description
WP3881 can disconnect the systems from its output pin(OUT) in case wrong input operating conditions are detected.
The system is positive overvoltage protected up to 28V. The overvoltage thresholds (OVLO) is 13.75 V.
WP3881 internal Thermal-Shutdown Protection.
The device is packaged in advanced full-Green compliant Wafer Level Chip Scale Packaging (WLCSP12).
Features
4.8A Continuous Current Capability
Typical RON: 35 mΩ N-Channel MOSFET
VIN Operating Range: 2.1V to 28V
Overvoltage Lockout: OVLO=13.75V(TYP.)
Overvoltage-Protection Response Time: 100ns(TYP.)
OVLO Threshold Range: +4V to +20V
Startup Debounce Time: 21ms(TYP.)
Internal Thermal-Shutdown Protection
Surge immunity to ± 100V
ESD Protected: Human Body Model: JESD22-A114(All pins)±2KV
CSP12 Package (ball pitch=0.4mm)
Applications
Smartphones, Tablet PC
HDD, Storage and Solid State Memory Devices
Portable Media Devices, Laptop & MID
SLR Digital Cameras
GPS and Navigation Equipment
Industrial Handheld and Enterprise Equipment
Pin Configuration
Specifications are subject to change without notice
page 1 of 5




WAYON

WP3881 Datasheet Preview

WP3881 Datasheet

Over-Voltage Protection IC

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SYMBOL
VIN
VOUT
VOVLO
V EN
ISW1
ISW2
PD
TSTG
TA
TL
TJ
Surge
PARAMETERS
VIN to GND
VOUT to GND
OVLO to GND
EN to GND
Maximum Continuous Current of switch IN-OUT
Maximum Peak Current of switch IN-OUT(10ms)
Power Dissipation at TA= +70 C
Storage Junction Temperature
Operating Temperature Range
Lead Soldering Temperature (reflow).
Junction Temperature
VIN to GND, IEC 61000-4-5, Surge Protection
MIN
-0.3
-0.3
-0.3
-0.3
-65
-40
-100
MAX
29
VIN+0.3
14
7
4.8
8
1090
+150
+85
+260
+150
100
UNIT
V
V
V
V
A
A
mW
C
C
C
C
V
Pin Function
Pin
A1
Name
EN
A2,A3,B2
OUT
A4,B4,C4
B1
B3,C2,C3
GND
VBUS_DET
IN
C1 OVLO
Pin Function
Microphone Mode Enable. Active low.
Output Voltage. Output of internal switch. Connect OUT pins together for proper
operation.
Ground. Connect GND pins together for proper operation.
Regulation output of VBUS
Voltage Input. Connect IN pins together for proper operation.
External OVLO Adjustment. Connect OVLO to GND when using the internal
threshold. Connect a resistor-divider to OVLO to set a different OVLO
threshold; this external resistor-divider is completely independent of the internal
threshold.
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable
above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition,
extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute
maximum ratings are stress ratings only.
Specifications are subject to change without notice
page 2 of 5


Part Number WP3881
Description Over-Voltage Protection IC
Maker WAYON
Total Page 5 Pages
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