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LNBH25LS 数据表(PDF) 24 Page - STMicroelectronics

部件名 LNBH25LS
功能描述  LNB supply and control IC with step-up and I²C interface
PDF  30 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LNBH25LS 数据表(HTML) 24 Page - STMicroelectronics

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Electrical characteristics
LNBH25LS
24/30
DocID026753 Rev 3
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
(LPD) thresholds
VLP threshold falling
6.7
VIL
DSQIN, pin logic low
0.8
V
VIH
DSQIN, pin logic high
2
V
IIH
DSQIN, pin input current
VIH = 5 V
15
µA
IOBK
Output backward current
All VSELx=0, VOBK = 30 V
-3
-6
mA
ISINK
Output low-side sink
current
VOUT forced at VOUT_NOM +
0.1 V
70
mA
ISINK_
TIME-OUT
Low-side sink current time-
out
VOUT forced at VOUT_NOM +
0.1 V
PDO I²C bit is set to 1 after
this time has elapsed
10
ms
IREV
Max. reverse current
VOUT forced at VOUT_NOM +
0.1 V after ISINK_TIME-OUT
elapsed
2
mA
TSHDN
Thermal shutdown
threshold
150
°C
DTSHDN
Thermal shutdown
hysteresis
15
°C
Notes:
(1)In applications where (VCC -VOUT) > 1.3 V the increased power dissipation inside the integrated LDO must be taken into
account in the application thermal management design.
(2)Guaranteed by design.
Table 13: Output voltage selection table (data1 register, write mode)
VSEL4
VSEL3
VSEL2
VSEL1
VOUT
min.
VOUT pin
voltage
VOUT max.
Function
0
0
0
0
0.600
VOUT disabled. The
LNBH25LS is set in
standby mode
0
0
0
1
12.545
13.000
13.455
0
0
1
0
12.867
13.333
13.800
0
0
1
1
13.188
13.667
14.145
0
1
0
0
13.51
14.000
14.490
1
0
0
0
17.515
18.150
18.785
1
0
0
1
17.836
18.483
19.130
1
0
1
0
18.158
18.817
19.475
1
0
1
1
18.48
19.150
19.820
TJ from 0 to 85 °C, VI = 12 V



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