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參數(shù)資料
| 型號： | LNBP21PD-TR |
| 廠商： | 意法半導體 |
| 英文描述： | SIGN, NO SMOKING, 75X50MM, PK10, SAV; RoHS Compliant: NA |
| 中文描述： | LNBP電源和控制集成電路升壓轉換器和I2C接口 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 693K |
| 代理商： | LNBP21PD-TR |
LNBP21
9/20
V
O
Output Voltage
I
O
= 500 mA VSEL=0
LLC=0
LLC=1
VSEL=0
VSEL=1
12.5
13
14
5
5
13.5
V
V
V
O
Line Regulation
V
IN1
=15 to 18V
40
60
200
550
650
mV
mV
mV
mA
mA
mA
mA
ms
V
O
I
MAX
Load Regulation
Output Current Limiting
VSEL=0 or 1 I
OUT
= 50 to 500mA
ISEL=1
ISEL=0
ISEL=1
ISEL=0
400
500
I
SC
Output Short Circuit Current
200
300
900
t
OFF
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 Modulation Input
Voltage
External Modulation
Impedance
LoopthroughSwitchVoltage
Drop (lt1 to LT2)
DC/DC Converter Switch
Frequency
Tone Detector Frequency
Capture Range
Tone Detector Input
Amplitude
Tone Detector Input
Impedance
Overload Flag Pin Logic
LOW
Overload Flag Pin OFF
State Leakage Current
DSQIN Input Pin Logic
LOW
DSQIN Input Pin Logic
HIGH
DSQIN Pins Input Current
Output Backward Current
Temperature Shutdown
Threshold
T
SHDN
Temperature Shutdown
Hysteresis
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
TEN=1
TEN=1
TEN=1
TEN=1
V
OUT
/
V
EXTM
,
AC Coupling
20
0.55
40
5
22
0.72
50
10
6
24
0.9
60
15
KHz
Vpp
%
μ
s
f = 10Hz to 40KHz
400
mVpp
Z
EXTM
f = 10Hz to 50KHz
260
V
LT
EN=0,
I
LT
=300mA,
V
MI
=12 or 19V
0.35
0.6
V
f
SW
220
kHz
f
DETIN
0.4Vpp sinewave
18
24
kHz
V
DETIN
f
IN
=22kHz sinewave
0.2
1.5
Vpp
Z
DETIN
150
k
V
OL
Tone present
I
OL
=2mA
0.3
0.5
V
I
OZ
Tone absent
V
OH
= 6V
10
μ
A
V
IL
0.8
V
V
IH
2
V
I
IH
I
OBK
T
SHDN
V
IH
= 5V
EN=0
15
-4
150
μ
A
mA
°C
V
OBK
= 18V
-10
15
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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