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L6983 Datasheet(PDF) 7 Page - STMicroelectronics

Part # L6983
Description  38 V, 3 A synchronous step-down converter with 17 μA quiescent current
PDF  63 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6983 Datasheet(HTML) 7 Page - STMicroelectronics

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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
SW
Maximum pin voltage
- 0.85
VIN + 0.3
V
- 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
ESD
ESD protection voltage
HBM
2
kV
CDM non-corner pins
500
V
4.2
Thermal characteristics
Table 5. Thermal data
Symbol
Parameter
Package Value Unit
Rth_JA
Thermal resistance junction ambient (device soldered on the STMicroelectronics
demonstration board, please refer to Section 9 Application board)
QFN16
30
°C/W
L6983
Absolute maximum ratings
DS13116 - Rev 1
page 7/63



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