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L6981 Scheda tecnica(PDF) 37 Page - STMicroelectronics

Il numero della parte L6981
Spiegazioni elettronici  38 V, 1.5 A synchronous step-down converter with low quiescent current
PDF  49 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6981 Scheda tecnica(HTML) 37 Page - STMicroelectronics

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Figure 43. Efficiency VIN = 12 V; VOUT = 3.3 V; FSW = 0.4 MHz (log scale)
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IOUT [A]
VIN = 12 [V]; VOUT = 3.3 [V]; FSW = 0.4 [MHz]
LCM
LNM
Figure 44. Power losses VIN = 12 V; VOUT = 3.3 V; FSW = 0.4 MHz
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IOUT [A]
VIN = 12 [V]; VOUT = 3.3 [V]; FSW = 0.4 [MHz]
LCM
LNM
POUT
L6981
Efficiency curves
DS13554 - Rev 1
page 37/49



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