參數(shù)資料
型號(hào)： LNBEH21PD-TR
廠商： 意法半導(dǎo)體
英文描述： LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND IC INTERFACE
中文描述： LNB電源與控制集成電路升壓轉(zhuǎn)換器及IC的接口
文件頁數(shù)： 12/22頁
文件大?。?/td> 588K
代理商： LNBEH21PD-TR
LNBEH21
12/22
Table 5: Electrical Characteristics
T
J
= 0 to 85°C, EN=1, LLC=PCL=OM=VOM=0, 22KHz Tone
Disabled, TTX=0/1, ISEL=High, V
I
=12V, I
O
=50mA, unless otherwise specified. See software description
section for I
2
C access to the system register
.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
I
I
I
Supply Voltage
Supply Current
V
O
= 20.5V, I
O
= 750 mA Tone enabled
V
O
= 20.5V, Tone Enabled,
NO LOAD
OM=0, VOM=1
(or OM=1, VOM=0),
I
O
=750mA, TEN/VSEL=High
OM=0, VOM=1
(or OM=1, VOM=0),
I
O
=750 mA, TEN/VSEL=Low
V
I
= 8 to 15V,
V
I
= 8 to 15V,
OM=0, VOM=0/1, I
O
= 50 to 750mA
OM=VOM=1, TEN/VSEL from low to high,
I
O
= 6 to 450 mA, C
O
= 10 to 330 nF
8
15
40
7
20.3
V
EN=1
EN=0
LLC=0
LLC=1
20
3.5
19.5
20.5
mA
V
O
Output Voltage
18.7
V
V
O
Output Voltage
LLC=0
LLC=1
12.75
13.25
14.25
13.75
V
V
O
Line Regulation
OM=0, VOM=0
OM=0, VOM=1
5
5
40
60
200
mV
V
O
13/18V
t
r
- t
f
Load Regulation
13/18V Rise and Fall
transition Time (to be
measured at the 90% and
10% voltage range)
Output Current Limiting
mV
μ
s
575
I
MAX
ISEL
≥
3.3V or Floating
ISEL = GND
750
450
1000
700
mA
I
SC
t
OFF
Output Short Circuit Current
Dynamic Overload
protection OFF Time
Dynamic Overload
protection ON Time
Tone Frequency
Tone Amplitude
Tone Duty Cycle
Tone Rise and Fall Time
External Modulation Gain
External Input Voltage
External Modulation
Impedance
DC/DC Converter Switching
Frequency
Tone Detector Frequency
Capture Range
Tone Detector Input
Amplitude
Tone Detector Input
Impedance
DSQOUT Pin Logic LOW
DSQOUT Pin Leakage
Current
TEN/VSEL Input Pin Logic
LOW
TEN/VSEL Input Pin Logic
HIGH
TEN/VSEL Pin Input
Current
300
900
mA
ms
PCL=0
Output Shorted
t
ON
PCL=0
Output Shorted
t
OFF
/10
ms
f
TONE
A
TONE
D
TONE
t
r
, t
f
G
EXTM
V
EXTM
Z
EXTM
OM=0, TEN/VSEL=High
OM=0, TEN/VSEL=High
OM=0, TEN/VSEL=High
OM=0, TEN/VSEL=High
V
OUT
/
V
EXTM
,
AC Coupling
f = 10Hz to 50KHz
20
0.55
40
5
22
0.72
50
8
6
24
0.9
60
15
KHz
V
PP
%
μ
s
f = 10Hz to 50KHz
400
mV
PP
260
f
SW
220
kHz
f
DETIN
0.4Vpp sinewave
18
24
kHz
V
DETIN
f
IN
=22kHz sinewave
0.2
1.5
V
PP
Z
DETIN
150
k
V
OL
I
OZ
Tone present
Tone absent
I
OL
=2mA
V
OH
= 6V
0.3
0.5
10
V
μ
A
V
IL
0.8
V
V
IH
2
V
I
IH
V
IH
= 5V
15
μ
A
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LNBH21PD 功能描述:其他電源管理 LNB Supply/Cont IC RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
LNBH21PD-TR 功能描述:其他電源管理 LNB Supply/Cont IC RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
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