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參數(shù)資料
| 型號： | LNBK12SP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LNB SUPPLY AND CONTROL VOLTAGE REGULATOR PARALLEL INTERFACE |
| 中文描述： | LNB電源與控制穩(wěn)壓器并行接口 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 205K |
| 代理商： | LNBK12SP |
ELECTRICALCHARACTERISTICS FOR LNBK SERIES
(T
j
= 0 to 85
o
C, C
i
= 0.22
μ
F, C
o
= 0.1
μ
F,
EN=H, ENT=L, LLC= L, V
IN1
= 16V, V
IN2
= 23V, I
OUT
= 50mA, (unless otherwisespecified)
Symbol
Parameter
Test Conditions
V
IN1
V
CC1
Supply Voltage
I
O
= 400mA, ENT=H, VSEL=L, LLC=L
I
O
= 400mA, ENT=H, VSEL=L, LLC=H
V
IN2
V
CC2
Supply Voltage
I
O
= 400mA, ENT=VSEL=H, LLC=L
I
O
= 400mA, ENT=VSEL=H, LLC=H
V
O1
OutputVoltage
I
O
= 400 mA, VSEL=H, LLC=L
I
O
= 400 mA, VSEL=H, LLC=H
V
O2
OutputVoltage
I
O
= 400 mA, VSEL=L, LLC=L
I
O
= 400 mA, VSEL=L, LLC=H
V
O
Line Regulation
V
IN1
= 15 to 19 V, V
OUT
= 13 V
V
IN2
= 22 to 26 V, V
OUT
= 18 V
V
O
Load Regulation
V
IN1
= V
IN2
=22 V, V
OUT
= 13 or 18V,
I
O
= 50 to 400 mA
SVR
Supply Voltage Rejection
V
IN1
= V
IN2
=23
±
0.5V
ac
, f
ac
= 50 KHz
I
MAX
OutputCurrent Limiting
t
OFF
Dynamic Overload Protection
OFF Time
t
ON
Dynamic Overload Protection
ON Time
F
TONE
ToneFrequency
ENT=H
A
TONE
ToneAmplitude
ENT=H
D
TONE
ToneDuty Cucle
ENT=H
t
r
, t
f
ToneRise or FallTime
ENT=H
G
EXTM
External Modulation Gain
V
OUT
/
V
EXTM
, f = 10Hz to 40KHz
V
EXTM
External Modulation Input
Voltage
Z
EXTM
External Modulation
Impedance
V
SW
Bypass Switch Voltage Drop
(MI to LNBA)
V
OL
Overload Flag PinLogic Low
I
OL
=8mA
I
OZ
Overload Flag PinOFF State
Leakage Current
V
IL
Control Input PinLogic Low
V
IH
Control Input PinLogic High
I
IH
Control Pins Input Current
V
IH
=5V
I
CC
Supply Current
OutputsDisabled (EN=L)
I
CC
Supply Current
ENT=H, I
OUT
= 400 mA
I
OBK
OutputBackward Current
EN=L, V
LNBA
= V
LNBB
=18V
V
IN1
= V
IN2
=22V or floating
T
SHDN
Thermal Shutdown Threshold
Min.
15
16
22
23
17.3
Typ.
Max.
27
27
27
27
18.7
Unit
V
V
V
V
V
V
V
V
mV
mV
mV
18
19
13
14
5
5
65
12.5
13.5
50
50
150
45
500
1100
dB
mA
ms
400
600
Outputshorted, C
EXT
=4.7
μ
F
Outputshorted, C
EXT
=4.7
μ
F
t
OFF
/15
ms
20
0.4
40
5
22
0.6
50
10
5
24
0.8
60
15
KHz
Vpp
%
μ
s
AC Coupling
400
mV
pp
f = 10Hz to 40KHz
400
EN=L, I
SW
= 300mA, V
CC2
-V
MI
=4V
0.35
0.6
V
0.28
0.5
10
V
V
OH
= 6V
μ
A
0.8
V
V
2.5
20
0.3
3.1
0.2
μ
A
mA
mA
mA
1
6
3
150
o
C
LNBK10 SERIES - LNBK20
6/18
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