ST890B_07 STMICROELECTRONICS [STMicroelectronics], ST890B_07 Datasheet
ST890B_07
Related parts for ST890B_07
ST890B_07 Summary of contents
Page 1
Features ■ 2 5.5 V input range ■ Programmable current limit up to 1.2 A ■ Low quiescent current ■ Thermal shutdown ■ Active low FAULT indicator output ■ 90 mΩ (typ.) ON resistance ■ SO-8 and DFN8L ...
Page 2
Contents Contents 1 Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
ST890B, ST890C, ST890D 1 Device summary Figure 1. SO-8 pin connection (top view) Table 2. SO-8 pin description Pin 6 GND Symbol Input P-channel MOSFET source. ...
Page 4
Device summary Figure 2. DFN8L ( mm) pin connection (top view) Table 3. DFN8L ( mm) pin description Pin 6,7 8 4/17 IN FAULT OUT ...
Page 5
ST890B, ST890C, ST890D Figure 3. Schematic diagram IN /FAULT /ON Table 4. Truth table for ON/OFF switch Table 5. Truth table for FAULT Control circuitry ON/OFF L H FAULT H L Device summary OUT - + ON Replica amplifier + ...
Page 6
Maximum rating 2 Maximum rating Stressing the device above the rating listed in the “Absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other ...
Page 7
ST890B, ST890C, ST890D Table 8. Electrical characteristics (continued) Symbol Parameter V Undervoltage ULO lockout V Undervoltage HYST lockout hysteresis resistance V Reference voltage SET to turn the switch OFF I Maximum MAX programmable output over current limit ...
Page 8
Maximum rating Table 9. Timing characteristics Symbol Parameter Slow current loop response time t RESP Fast current loop response time t Turn ON time ON t Turn OFF time OFF ...
Page 9
ST890B, ST890C, ST890D 2.1 Typical performance characteristics Unless otherwise specified Figure 5. ON resistance vs. supply voltage Figure 6. ON resistance vs. temperature C. ° Maximum rating 9/17 ...
Page 10
Maximum rating Figure 7. Switching waveforms V =5V, R =0.6Ω 10/17 ST890B, ST890C, ST890D V =5V, R =0.32Ω ...
Page 11
ST890B, ST890C, ST890D 3 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and ...
Page 12
Package mechanical data Table 10. SO-8 package mechanical data Symbol ddd 12/17 millimeters Min Typ Max 1.35 1.75 0.10 0.25 1.10 1.65 0.33 0.51 0.19 0.25 4.80 5.00 ...
Page 13
ST890B, ST890C, ST890D Figure 9. SO-8 tape and reel specifications 1. Drawing not to scale. Table 11. SO-8 tape and reel mechanical data Symbol millimeters Min Typ Max 330 12.8 ...
Page 14
Package mechanical data Figure 10. DFN8L ( mm) package drawing 1. Drawing is not to scale. 2. Dimensions in millimeters. 14/17 ST890B, ST890C, ST890D PO8092726_A ...
Page 15
ST890B, ST890C, ST890D Table 12. DFN8L ( mm) package mechanical data Symbol Figure 11. DFN8L ( mm) footprint recommendations 1. Drawing not to scale. 2. Dimensions in ...
Page 16
Revision history 4 Revision history Table 13. Document revision history Date 22-Jul-2005 10-Aug-2007 1-Dec-2007 16/17 Revision 4 Added 3 rows on Table 2 on page 3 Removed ST890CD and ST890BD from 5 Updated short circuit current limit value in Added ...
Page 17
ST890B, ST890C, ST890D 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 ...