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LNBH23L 데이터시트(PDF) 19 Page - STMicroelectronics

부품명 LNBH23L
상세설명  Selectable output current limit by external resistor
PDF  25 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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LNBH23L 데이터시트(HTML) 19 Page - STMicroelectronics

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LNBH23L
Electrical characteristics
Doc ID 15335 Rev 4
19/25
8
Electrical characteristics
Refer to the typical application circuits, TJ from 0 to 85 °C, EN=1,
VSEL=LLC=TEN=PCL=TEST4=TEST5=TTX=0, RSEL=15 kΩ, DSQIN=LOW, VIN =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.
Table 8.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Supply voltage
IOUT=500mA, VSEL=LLC=1
8
12
15
V
IIN
Supply current
IOUT=0
7
15
mA
EN=TEN=TTX=1, IOUT=0,
PDC circuit not connected
20
40
EN=0
2
VOUT
Output voltage
VSEL=1
IOUT=500mA
LLC=0
17.8
18.4
19.2
V
LLC=1
19.5
VOUT
Output voltage
VSEL=0
IOUT=500mA
LLC=0
12.8
13.4
14
LLC=1
14.4
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 to 500mA
200
IMAX
Output current limiting
thresholds
RSEL=15 k
Ω
500
800
mA
RSEL= 22 k
Ω
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
(Using internal tone generator)
18
22
26
kHz
ATONE
Tone amplitude
DSQIN=HIGH or TEN=1, TTX=1,
DiSEqC 1.X configuration using
internal generator, IOUT from 0 to
500mA, COUT from 0 to 750nF, PDC
Optional circuit connected to VoRX rail
0.4
0.650
0.9
VPP
DTONE
Tone duty cycle
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
40
50
60
%
tr, tf
Tone rise or fall time
DSQIN=HIGH or TEN=1, TTX=1
(Using internal tone generator)
58
15
µs
VPDC_OL PDC pin logic LOW
IPDC=2mA
0.3
V
IPDC_OZ
PDC pin leakage current
VPDC=5V
1
µA
GEXTM
External modulation gain
ΔV
OUT/ ΔVEXTM, freq. from 10 kHz to
50 kHz
1.8



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