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L5988D 데이터시트(PDF) 47 Page - STMicroelectronics

부품명 L5988D
상세설명  Pre-bias start up capability
PDF  52 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5988D 데이터시트(HTML) 47 Page - STMicroelectronics

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L5988D
Typical characteristics
52
Figure 32. Junction temperature vs. VOUT
at VIN = 5 V, fSW = 400 kHz
Figure 33. Junction temperature vs. VOUT
at VIN = 3.3 V, fSW = 400 kHz
Figure 34. Efficiency vs. output current
at VIN = 3.3 V, fSW = 400 kHz
Figure 35. Efficiency vs. output current
at VIN = 5 V, fSW = 250 kHz
VIN = 3.3v fSW = 400 kHz
63.00
68.00
73.00
78.00
83.00
88.00
93.00
98.00
0.2
0.6
1.0
1.4
1.8
2.2
2.6
3.0
3.4
3.8
I
LOAD (A)
VIN=3.3 VOUT=1.2 250 kHz
VIN=3.3 VOUT=1.5 250 kHz
VIN=3.3 VOUT=1.8 250 kHz
VIN=3.3 VOUT=2.5 250 kHz
VIN = 5v fSW = 250 kHz
65.00
70.00
75.00
80.00
85.00
90.00
95.00
0.2
0.6
1.0
1.4
1.8
2.2
2.6
3.0
3.4
3.8
I
LOAD (A)
VIN=5 VOUT=1.2 250 kHz
VIN=5 VOUT=1.5 250 kHz
VIN=5 VOUT=1.8 250 kHz
VIN=5 VOUT=2.5 250 kHz
VIN=5 VOUT=3.3 250 kHz



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