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LNBH24PPR 데이터시트(PDF) 19 Page - STMicroelectronics

부품명 LNBH24PPR
상세설명  Dual LNB supply and control IC with step-up and I²C interface
PDF  30 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LNBH24PPR 데이터시트(HTML) 19 Page - STMicroelectronics

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LNBH24
Electrical characteristics
19/30
8
Electrical characteristics
Table 8.
Electrical characteristics of sections A/B (refer to the typical application circuit in
Figure 4, TJ from 0 to 85 °C, EN=1, VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, RSEL = 11
k
Ω, DSQIN=LOW, VI = 12 V, IOUT = 50 mA, unless otherwise stated. Typical values are
referred to TJ = 25 °C. VOUT=VoRX pin voltage. See software description section for I²C
access to the system register)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Supply voltage
IOUT=750mA, VSEL=LLC=1
8
12
15
V
IIN
Supply current
Both sections A and B enabled,
IOUT=0
20
30
mA
Both sections A and B enabled,
EN=TEN=TTX=1, IOUT=0
50
70
EN=0
6
VOUT
Output voltage
AUX=1; IOUT=50mA
22
V
VSEL=1, IOUT=750mA
LLC=0
17.8
18.5
19.2
LLC=1
18.8
19.5
20.2
VSEL=0, IOUT=750mA
LLC=0
12.8
13.4
14
LLC=1
13.8
14.4
15
VOUT
Line regulation
VIN=8 to 15V
VSEL=0
5
40
mV
VSEL=1
5
60
VOUT
Load regulation
VSEL=0 or 1, IOUT from 50 to750mA
200
mV
13/18
TR - TF
13/18V Rise and Fall
transition time by VCTRL pin
VSEL=LLC=1, VCTRL from LOW to
HIGH and vice versa, IOUT from 6 to
450mA, CO from 10 to 330nF
575
µs
IMAX
Output current limiting
RSEL=11KΩ
750
1000
mA
RSEL= 22KΩ
300
600
ISC
Output short circuit current
VSEL=0/1, AUX=0/1
1000
mA
TOFF
Dynamic overload protection
OFF time
PCL=0, Output shorted
900
ms
TON
Dynamic overload protection
ON time
PCL=0, Output shorted
TOFF/10
FTONE
Tone frequency
DSQIN=HIGH or TEN=1, TTX=1
20
22
24
kHz
ATONE
Tone amplitude
DSQIN=HIGH or TEN=1, TTX=1
IOUT from 0 to750mA
COUT from 0 to 750nF
0.4
0.65
0.9
VPP
DTONE
Tone duty cycle
DSQIN=HIGH or TEN=1, TTX=1
43
50
57
%
tr, tf
Tone rise or fall time
DSQIN=HIGH or TEN=1, TTX=1
5
8
15
µs
FEXTM
EXTM frequency
VEXTM-H =3.3V, VEXTM-L =0V,
(1)
20
22
24
kHz
EffDC-DC DC-DC converter efficiency
IOUT=750mA
93
%



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