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L6985F 数据表(PDF) 11 Page - STMicroelectronics

部件名 L6985F
功能描述  Internal current limiting
PDF  65 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6985F 数据表(HTML) 11 Page - STMicroelectronics

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DocID027836 Rev 2
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L6985F
Electrical characteristics
65
TJ = 25 °C, VIN = 12 V unless otherwise specified.
Table 6. fSW selection
TJ = 25 °C, VIN = 12 V unless otherwise specified.
Table 7. LNM / LCM selection table
Symbol RVCC (E24 series) RGND (E24 series) Tj fSW min. fSW typ. fSW max.
Unit
fSW
0
NC
225
250
275
kHz
1.8 k
NC
(1)
1. Not tested in production.
285
3.3 k
NC
330
5.6 k
NC
380
10 k
NC
435
NC
0
450
500
550
18 k
NC
(1)
575
33 k
NC
660
56 k
NC
755
NC
1.8 k
870
NC
3.3 k
900
1000
1100
NC
5.6 k
(1)
1150
NC
10 k
1310
NC
18 k
1500(2)
2. No synchronization as slave in LNM.
NC
33 k
1575
1750(2)
1925
NC
56 k
1800
2000(2)
2200
Symbol
RVCC
(E24 1%)
RGND
(E24 1%)
Operating
mode
VRST/VOUT
(tgt. value)
VRST
min.
VRST
typ.
VRST
max.
Unit
VRST
0
NC
LCM
93%
0.779
0.791
0.802
V
8.2 k
NC
80%
0.670
0.680
0.690
18 k
NC
87%
0.728
0.740
0.751
39 k
NC
96%
0.804
0.816
0.828
NC
0
LNM
93%
0.779
0.791
0.802
NC
8.2 k
80%
0.670
0.680
0.690
NC
18 k
87%
0.728
0.740
0.751
NC
39 k
96%
0.804
0.816
0.828



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