STBP120BVDK6F STMicroelectronics, STBP120BVDK6F Datasheet

IC OVP W/THERMAL SHUTDOWN 10TDFN

STBP120BVDK6F

Manufacturer Part Number
STBP120BVDK6F
Description
IC OVP W/THERMAL SHUTDOWN 10TDFN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STBP120BVDK6F

Applications
Overload Protection
Current - Supply
170µA
Voltage - Supply
1.2 V ~ 28 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-TDFN
Output Type
*
Function
*
Sensor Type
*
Topology
*
Output Fan
No
Output Alarm
Yes
Sensing Temperature
*
Number Of Voltages Monitored
1
Monitored Voltage
5 V
Undervoltage Threshold
3.25 V
Overvoltage Threshold
5.5 V
Watchdog
No Watchdog
Power-up Reset Delay (typ)
50 ms
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8983-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STBP120BVDK6F
Manufacturer:
ST
0
Features
September 2009
Input overvoltage protection up to 28 V
Integrated high voltage N-channel MOSFET
switch
Low R
Integrated charge pump
Thermal shutdown protection
Softstart feature to control the inrush current
Enable input (EN)
Fault indication output (FLT)
IN input ESD withstand voltage up to ±15 kV
(air discharge), up to ±8 kV (contact discharge)
in typical application circuit with 1µF input
capacitor (±2 kV HBM for standalone device)
Certain overvoltage options compliant with the
China Communications Standard YD/T 1591-
2006 (overvoltage protection only)
Small, RoHS compliant 2.5 x 2 mm TDFN –
10-lead package.
DS(on)
of 90 mΩ
Overvoltage protection device with thermal shutdown
Doc ID15492 Rev 5
Applications
Smart phones
Digital cameras
PDA and palmtop devices
MP3 players
Low-power handheld devices.
TDFN – 10-lead (2.5 x 2 mm)
STBP120
www.st.com
1/36
1

Related parts for STBP120BVDK6F

STBP120BVDK6F Summary of contents

Page 1

Overvoltage protection device with thermal shutdown Features ■ Input overvoltage protection ■ Integrated high voltage N-channel MOSFET switch ■ Low mΩ DS(on) ■ Integrated charge pump ■ Thermal shutdown protection ■ Softstart feature ...

Page 2

Contents Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

STBP120 11 Tape and reel specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

List of tables List of tables Table 1. Pin description and signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5

STBP120 List of figures Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 6

Description 1 Description The STBP120 device provides overvoltage protection for input voltage up to +28 V. Its low R N-channel MOSFET switch protects the systems connected to the OUT pin against DS(on) failures of the DC power supplies in accordance ...

Page 7

STBP120 2 Pin descriptions 2.1 Input (IN) Input voltage pin. This pin is connected to the DC power supply. External low ESR ceramic capacitor of minimum value 1 µF must be connected between IN and GND. This capacitor is for ...

Page 8

Pin descriptions 2.4 Enable input (EN) This logical input (active-low) can be used to enable or disable the device. When EN input is driven high, the STBP120 enters the standby mode and the power output is disconnected from the input. ...

Page 9

STBP120 Figure 3. Block diagram IN Core ESD negative protection protection V REF Temperature detector Figure 4. Typical application circuit SYSTEM CONNECTOR AC adapter OR POWERED PERIPHERALS 1. Optional resistors prevent damage to the controller under extreme ...

Page 10

Operation 3 Operation The STBP120 provides overvoltage protection for positive input voltage using a built-in low R DS(on) 3.1 Power-up At power-up, with EN = low, the MOSFET switch is turned on after ...

Page 11

STBP120 3.4 Overvoltage lockout (OVLO) If the input voltage V immediately turned off (see activated (i.e. driven low). This device is equipped with hysteresis, V noise immunity under transient conditions. For available OVLO thresholds and hystereses, please see the 3.5 ...

Page 12

Application information 4 Application information 4.1 Calculating the power dissipation The maximum power dissipation of the STBP120 internal power MOSFET can be calculated using following formula DS(on)(max) Where I is current flowing through ...

Page 13

... These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 2. ...

Page 14

Maximum rating . Table 3. Thermal data Symbol R Thermal resistance (junction to ambient) thJA R Thermal resistance (junction to case) thJC 1. The package is mounted on a 2-layers (1S) JEDEC board as per JESD51-7 without thermal vias underneath ...

Page 15

STBP120 6 DC and AC parameters This section summarizes the operating measurement conditions, and the DC and AC characteristics of the device. The parameters in the DC and AC characteristics tables that follow are derived from tests performed under the ...

Page 16

DC and AC parameters Table 5. DC and AC characteristics (continued) Symbol Description Timing parameters t Startup delay on FLT indication delay t start (OK) (2) t Output turn-off time off FLT indication delay (2) t stop (FAULT) (2) t ...

Page 17

STBP120 7 Timing diagrams Figure 6. Startup 1. EN input is low. Figure 7. Overvoltage protection 1. EN input is low. (1) OVLO UVLO 0 OUT t start 1 (FLT) (1) OVLO ...

Page 18

Timing diagrams Figure 8. Disable (EN = high) 1. FLT output still indicates the V Figure 9. FLT behavior in disable (EN = high) 18/36 (1) 1 (EN) OVLO UVLO OUT status. IN ...

Page 19

STBP120 8 Typical application performance (STBP120DVDK6F) Figure 10. Startup delay load on the output. The “leakage” on the V capacitances of the MOSFET switch. Figure 11. FLT indication delay (OK), t Typical application performance (STBP120DVDK6F) on trace ...

Page 20

Typical application performance (STBP120DVDK6F) Figure 12. Output turn-off time Ω load on the output. Figure 13. FLT indication delay (FAULT Ω load on the output. 20/36 off stop Doc ID 15492 Rev 5 STBP120 ...

Page 21

STBP120 Figure 14. Disable time change in V O(FLT Ω load on the output. Figure 15. Startup to overvoltage and startup Ω load on the output. Typical application performance (STBP120DVDK6F) dis status ...

Page 22

Typical application performance (STBP120DVDK6F) Figure 16. Startup inrush current 1. Output load 5 Ω in parallel with C = 100 µF, power supply cable inductance 1 µH, power supply cable resistance 0.3 Ω. Figure 17. Output short-circuit 1. See also ...

Page 23

STBP120 Figure 18. Output short-circuit detail 1. Due to power supply cable impedance, during the output short-circuit the input voltage falls below the V threshold, resulting in turning off the power MOSFET and preventing any damage to the UVLO components. ...

Page 24

Typical thermal characteristics (STBP120DVDK6F) 9 Typical thermal characteristics (STBP120DVDK6F) Figure 19. I vs. temperature CC 180 170 160 150 140 I CC [µA] 130 120 110 100 90 80 –50 Figure 20. I vs. temperature CC(STDBY) 120 110 100 90 ...

Page 25

STBP120 Figure 21 2.9 V vs. temperature CC(UVLO) 80.0 70.0 60.0 I CC(UVLO) [µA] 50.0 40.0 30.0 20.0 –50 Figure 22. V vs. temperature OVLO 6.3 6.2 6.1 V OVLO [V] 6 5.9 5.8 –50 Typical thermal characteristics ...

Page 26

Typical thermal characteristics (STBP120DVDK6F) Figure 23. V vs. temperature UVLO 3.4 3.35 3.3 V UVLO [V] 3.25 3.2 3.15 3.1 –50 Figure 24 vs. temperature OL(FLT) 0.1 0.09 0.08 0.07 V OL(FLT) 0.06 [V] 0.05 0.04 ...

Page 27

STBP120 Figure 25 vs. temperature DS(on) 140.0 120.0 100.0 80.0 R DS(on) [mΩ] 60.0 40.0 20.0 0.0 –50 Typical thermal characteristics (STBP120DVDK6F Temperature [˚C] Doc ID 15492 Rev 5 100 150 AM00427 27/36 ...

Page 28

Package mechanical data 10 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...

Page 29

STBP120 Table 6. TDFN – 10-lead, 2.5 x 2.0 x 0.75 mm body, pitch 0.50 mm, package mechanical data dimensions Symbol BSC D2-1 D2-2 E BSC Controlling dimension: millimeters. 2. ...

Page 30

Tape and reel specification 11 Tape and reel specification Figure 27. Tape and reel T Top cover tape K 0 Table 7. Carrier tape dimensions Tape W size 12 12.00 ± 0.30 Table 8. Further tape and reel information Package ...

Page 31

STBP120 Figure 28. Reel dimensions A Full radius Table 9. Reel dimensions Tape size A max 330 (13 inch Tape slot in core for tape start 25 mm min width B min. C 1.5 13 ± ...

Page 32

Tape and reel specification Figure 29. Tape trailer/leader End Top cover tape Figure 30. Pin 1 orientation Note: 1 Drawings are not to scale. 2 All dimensions are in mm, unless otherwise noted. 32/36 No components Components ...

Page 33

STBP120 12 Part numbering Table 10. Ordering information scheme Device type STBP120 Overvoltage threshold A = 5.375 5. 5. 6.02 V Undervoltage threshold V = 3.25 V Package DK = TDFN ...

Page 34

Package marking information 13 Package marking information Table 11. Marking description Part number STBP120AVxxxx STBP120BVxxxx STBP120CVxxxx STBP120DVxxxx 1. Other overvoltage thresholds are offered. Minimum order quantities may apply. Contact local sales office for availability. 34/36 (1) Overvoltage threshold (V) 5.375 ...

Page 35

STBP120 14 Revision history Table 12. Document revision history Date 20-Mar-2009 07-Apr-2009 29-Apr- 2009 01-Jun-2009 25-Sep-2009 Revision 1 Initial release. Updated Section 2, Section 2 shipping method in Table 3 Updated the revision history table - removed the draft revisions. ...

Page 36

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

Related keywords