STBP120BVDK6F STMicroelectronics

STBP120 Overvoltage protection device with thermal shutdown Features Input overvoltage protection up to 28 V Integrated high voltage N-channel MOSFET switch Low R of 90 m DS(on) Integrated charge pump Thermal shutdown protection TDFN 10-lead (2.5 x 2 mm) Softstart feature to control the inrush current Enable input (EN) Fault indication output (FLT) IN input ESD withstand voltage up to 15 kV Applications (air discharge), up to 8 kV (contact discharge) in typical application circuit with 1F input Smart phones capacitor (2 kV HBM for standalone device) Digital cameras Certain overvoltage options compliant with the PDA and palmtop devices China Communications Standard YD/T 1591- 2006 (overvoltage protection only) MP3 players Small, RoHS compliant 2.5 x 2 mm TDFN Low-power handheld devices. 10-lead package. September 2009 Doc ID15492 Rev 5 1/36 www.st.com 1Contents STBP120 Contents 1 Description . 6 2 Pin descriptions 7 2.1 Input (IN) 7 2.2 Power output (OUT) 7 2.3 Fault indication output (FLT) 7 2.4 Enable input (EN) 8 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) . 11 3.5 Thermal shutdown 11 4 Application information . 12 4.1 Calculating the power dissipation . 12 4.2 Calculating the junction temperature 12 4.3 PCB layout recommendations . 12 5 Maximum rating 13 6 DC and AC parameters 15 7 Timing diagrams . 17 8 Typical application performance (STBP120DVDK6F) . 19 9 Typical thermal characteristics (STBP120DVDK6F) . 24 10 Package mechanical data 28 2/36 Doc ID 15492 Rev 5