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LNBH25S датащи(PDF) 28 Page - STMicroelectronics

номер детали LNBH25S
подробное описание детали  LNB supply and control IC with step-up and IC interface
PDF  37 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LNBH25S датащи(HTML) 28 Page - STMicroelectronics

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Electrical characteristics
LNBH25S
28/37
DocID026736 Rev 2
8
Electrical characteristics
See Section 5: "Typical application circuits", TJ from 0 to 85 °C, all data 1..4 register bits set
to 0 unless VSEL1 = 1, RSEL = 11.5 kΩ, DSQIN = low, V
IN = 12 V, IOUT = 50 mA, unless
otherwise stated. Typical values are referred to TJ = 25 °C. VOUT = VOUT pin voltage. See
Section 6: "I²C bus interface" and Section 7: "I²C interface protocol".
Table 13: Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Supply voltage
(1)
8
12
16
V
IIN
Supply current
IOUT = 0 mA
6
mA
22 kHz tone enabled
(TEN=1), DSQIN = high, IOUT
= 0 mA
10
mA
VSEL1=VSEL2=VSEL3=VSE
L4=0
1
mA
VOUT
Output voltage total
accuracy
Valid at any VOUT selected
level
-3.5
+3.5
%
VOUT
Line regulation
VIN = 8 to 16 V
40
mV
VOUT
Load regulation
IOUT from 50 to 750 mA
100
ILIM
Output current limiting
thresholds
RSEL = 11.5 kΩ, ISET = 0
750
1100
mA
RSEL = 16.2 kΩ, ISET = 0
500
750
RSEL = 22 kΩ, ISET = 0
350
550
ILIM
Output current limiting
thresholds
RSEL = 11.5 kΩ, ISET = 1
500
mA
RSEL = 16.2 kΩ, ISET = 1
350
RSEL = 22 kΩ, ISET = 1
250
ISC
Output short-circuit
current
RSEL = 11.5 kΩ, ISET = 0
500
mA
SS
Soft-start time
VOUT from 0 to 13 V
4
ms
SS
Soft-start time
VOUT from 0 to 18 V
6
ms
T13-18
Soft transition rise time
VOUT from 13 to 18 V
1.5
ms
T18-13
Soft transition fall time
VOUT from 18 to 13 V
1.5
ms
TOFF
Dynamic overload
protection off-time
PCL = 0, output shorted
900
ms
TON
Dynamic overload
protection on-time
PCL = TIMER = 0, output
shorted
TOFF/10
PCL = 0, TIMER = 1, output
shorted
TOFF/5
ATONE
Tone amplitude
DSQIN = high, EXTM=0,
TEN=1
IOUT from 0 to 750 mA CBUS
from 0 to 750 nF
0.55
0.675
0.8
VPP
FTONE
Tone frequency
DSQIN = high, EXTM=0,
TEN=1
20
22
24
kHz
DTONE
Tone duty cycle
43
50
57
%
tr, tf
Tone rise or fall time
(2)
5
8
15
µs



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