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STBP112 Datasheet

Overvoltage protection device

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STBP112 pdf
STBP112
Overvoltage protection device
Features
Input overvoltage protection up to 28 V
Integrated high voltage N-channel MOSFET
switch - low RDS(on) of 165 mΩ
Integrated charge pump
Maximum continuous current of 2 A
Thermal shutdown
Soft-start feature to control the inrush current
Enable input (EN)
Fault indication output (FLT)
IN input ESD protection: ±15 kV air discharge,
±8 kV contact discharge (with 1 µF input
capacitor), ±2 kV HBM (standalone device)
Certain overvoltage options compliant with the
China Communications Standard YD/T 1591-
2006 (overvoltage protection only)
Small, RoHS compliant 2 x 2 x 0.75 mm TDFN
8-lead package with thermal pad.
Datasheet - production data
TDFN 8-lead (2 x 2 x 0.75 mm)
Applications
Smart phones
Digital cameras
PDA and palmtop devices
MP3 players
Low power handheld devices.
December 2012
This is information on a product in full production.
Doc ID 023357 Rev 3
1/38
www.st.com
1


STMicroelectronics Electronic Components Datasheet

STBP112 Datasheet

Overvoltage protection device

No Preview Available !

STBP112 pdf
Contents
Contents
STBP112
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Input (IN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Output (OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Fault indication output (FLT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Enable input (EN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.5 No connect (NC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6 Ground (GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Power-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Undervoltage lockout (UVLO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Overvoltage lockout (OVLO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.5 Thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Typical operating characteristics (STBP112CV). . . . . . . . . . . . . . . . . . . . . . . . . . 15
6 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.1 Calculating the power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.2 Calculating the junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.3 PCB layout recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10 Tape and reel information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2/38
Doc ID 023357 Rev 3


Part Number STBP112
Description Overvoltage protection device
Maker STMicroelectronics
Total Page 30 Pages
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STBP112 pdf
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