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LNBK20D2 数据表(PDF) 5 Page - STMicroelectronics

部件名 LNBK20D2
功能描述  LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE)
PDF  14 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LNBK20D2 数据表(HTML) 5 Page - STMicroelectronics

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LNBK20D2
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ELECTRICAL CHARACTERISTICS FOR LNBK SERIES (TJ = 0 to 85°C, CI =0.22µF, CO =0.1µF,
EN=H,ENT=L,LLC=L,VIN1=16V, VIN2=23V IOUT=50mA, unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIN1
VCC1 Supply Voltage
IO = 400 mA ENT=H, VSEL=L, LLC=L
15
27
V
IO = 400 mA ENT=H, VSEL=L, LLC=H
16
27
V
VIN2
VCC2 Supply Voltage
IO = 400 mA ENT=H, VSEL=L, LLC=L
22
27
V
IO = 400 mA VSEL=L, LLC=H
23
27
V
VO1
Output Voltage
IO = 400 mA VSEL=L, LLC=L
17.3
18
18.7
V
IO = 400 mA ENT=H, VSEL=L, LLC=H
19
V
VO2
Output Voltage
IO = 400 mA VSEL=L, LLC=L
12.5
13
13.5
V
IO = 400 mA ENT=H, VSEL=L, LLC=H
14
V
∆V
O
Line Regulation
VIN1=15 to 18V
VOUT=13V
5
50
mV
VIN2=22 to 25V
VOUT=18V
5
50
mV
∆V
O
Load Regulation
VIN1=VIN2=22V
VOUT=13 or 18V
IO =0to 3A
65
150
mV
SVR
Supply Voltage Rejection
VIN1 =VIN2 =23 ± 0.5Vac fac = 120 Hz,
45
dB
IMAX
Output Current Limiting
500
650
800
mA
tOFF
Dynamic Overload
protection OFF Time
Output Shorted
CEXT =4.7µF
1100
ms
tON
Dynamic Overload
protection ON Time
Output Shorted
CEXT =4.7µFtOFF/15
ms
fTONE
Tone Frequency
ENT=H
20
22
24
KHz
ATONE Tone Amplitude
ENT=H
0.55
0.72
0.9
Vpp
DTONE Tone Duty Cycle
ENT=H
40
50
60
%
tr,tf
Tone Rise and Fall Time
ENT=H
5
10
15
µs
GEXTM External Modulation Gain
∆V
OUT/∆VEXTM,
f = 10Hz to 40KHz
5
VEXTM External Modulation Input
Voltage
AC Coupling
400
mVpp
ZEXTM External Modulation
Impedance
f = 10Hz to 40KHz
400
Ω
VSW
Bypass Switch Voltage
Drop (MI to LNBA)
EN=L,
ISW=300mA,
VCC2-VMI=4V
0.35
0.6
V
VOL
Overload Flag Pin Logic
LOW
IOL=8mA
0.28
0.5
V
IOZ
Overload Flag Pin OFF
State Leakage Current
VOH =6V
10
µA
VIL
Control Input Pin Logic
LOW
0.8
V
VIH
Control Input Pin Logic
HIGH
2.5
V
IIH
Control Pins Input Current
VIH =5V
20
µA
ICC
Supply Current
Output Disabled (EN=L)
0.3
1
mA
ENT=H,
IOUT=500mA
3.1
6
mA
IOBK
Output Backward Current
EN=L
VLNBA =VLNBB = 18V
VIN1 =VIN2 = 22V or floating
0.23mA
TSHDN Temperature Shutdown
Threshold
150
°C



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