Datasheet L6983 (STMicroelectronics) - 7

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L6983 Absolute maximum ratings 4 Absolute maximum ratings
Stressing the device above the rating listed in Section 4 Absolute maximum ratings may cause permanent damage to the device. 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 may affect device reliability.
Table 3. Absolute maximum ratings Symbol Parameter Min. Max. Unit
VIN Maximum pin voltage - 0.3 42 V AGND Maximum pin voltage 0 0 V PGND Maximum pin voltage - 0.3 0.3 V BOOT Maximum pin voltage SW - 0.3 SW + 4 V VCC Maximum pin voltage - 0.3 Min. (VIN + 0.3 V; 4 V) V VOUT/FB Maximum pin voltage - 0.3 8 V FSW Maximum pin voltage - 0.3 VCC + 0.3 V VBIAS Maximum pin voltage - 0.3 VIN + 0.3 V EN Maximum pin voltage - 0.3 VIN + 0.3 V PGOOD Maximum pin voltage - 0.3 VIN + 0.3 V - 0.85 VIN + 0.3 V SW Maximum pin voltage - 3.8 for 0.5 ns (1) V IHS, ILS High-side / Low-side RMS switch current 3 A TJ Operating temperature range - 40 150 °C TSTG Storage temperature range - 65 150 °C TLEAD Lead temperature (soldering 10 sec.) 260 °C 1. Negative peak voltage during switching activities caused by parasitic layout elements.
4.1 ESD protection Table 4. ESD performance Symbol Parameter Test conditions Value Unit
HBM 2 kV ESD ESD protection voltage CDM non-corner pins 500 V
4.2 Thermal characteristics Table 5. Thermal data Symbol Parameter Package Value Unit
R Thermal resistance junction ambient (device soldered on the STMicroelectronics th_JA QFN16 30 °C/W demonstration board, please refer to Section 9 Application board)
DS13116
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Rev 1 page 7/63
Document Outline 1 Diagram 2 Pin configuration 3 Typical application circuit 4 Absolute maximum ratings 4.1 ESD protection 4.2 Thermal characteristics 5 Electrical characteristics 5.1 Frequency selection table 6 Functional description 6.1 Enable 6.2 Soft-start 6.3 Undervoltage lockout 6.4 Light-load operation 6.4.1 Low consumption mode (LCM) 6.4.2 Low noise mode (LNM) 6.4.3 Efficiency for low consumption mode and low noise mode part number 6.4.4 Load regulation for low consumption mode and Low noise mode part number 6.5 Switch-over feature 6.6 Spread spectrum 6.7 Overvoltage protection 6.8 Overcurrent protection 6.9 Thermal shutdown 6.10 Power Good 7 Closing the loop 7.1 GCO(s) control to output transfer function 7.2 Error amplifier compensation network 7.3 Voltage divider 8 Application notes 8.1 Programmable power up threshold 8.2 External synchronization (available for low noise mode only) 8.3 Output voltage adjustment 8.4 Switching frequency 8.5 Design of the power components 8.5.1 Input capacitor selection 8.5.2 Inductor selection 8.5.3 Output capacitor selection 9 Application board 10 Efficiency curves 11 Thermal dissipation 12 Package information 12.1 QFN16 (3x3 mm) package information 13 Ordering information Revision history