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LP3773 датащи(PDF) 6 Page - Shenzhen Xinmao Microelectronics Co., Ltd.

номер детали LP3773
подробное описание детали  Low-Power off-line / PSR controller
PDF  9 Pages
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производитель  LANDP [Shenzhen Xinmao Microelectronics Co., Ltd.]
домашняя страница  https://www.chip-hope.com/
Logo LANDP - Shenzhen Xinmao Microelectronics Co., Ltd.

LP3773 датащи(HTML) 6 Page - Shenzhen Xinmao Microelectronics Co., Ltd.

  LP3773 Datasheet HTML 1Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 2Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 3Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 4Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 5Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 6Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 7Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 8Page - Shenzhen Xinmao Microelectronics Co., Ltd. LP3773 Datasheet HTML 9Page - Shenzhen Xinmao Microelectronics Co., Ltd.  
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LP3773/4/5
低功耗原边反馈控制芯片
电气特性参数(LP3773/4/5)
VCC =15V, TA=25°C, unless otherwise specified.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
UVLO SECTION
Startup Threshold
VST
13
15.5
18
V
Minimal Operating
Voltage
VUVLO
3.5
4
4.5
V
STANDBY CURRENT SECTION
Startup Current
IST
VCC=VTH (ST)-1V,
Before Startup
0
0.2
0.6
µA
Operating Current
ICC
Static current
500
DRIVE OUTPUT SECTION
Output
Current
Sink
Isink
Apply 1V @OUT pin
150
200
330
mA
Source
ISOURCE
24
30
40
mA
Maximum Off
TOFFMAX
18
ms
CURRENT SENSE SECTION
Current Sense
Threshold Voltage
at CC Mode
VCS1
500
mV
Current Sense
Threshold Voltage
at light load
VCS2
330
mV
Leading Edge
Blanking
TLEB
The minimum
POWER SWITCH
i
500
ns
FEEDBACK INPUT SECTION
Input Resistance of
FB Pin
RFB
VFB=4V
1
1.6
2
MΩ
Feedback
VFB
3.94
4
4.06
V
LINE COMPENSATION SECTION
Line Compensation
Voltage
VCOMP_LINE
Vfb=-10V,RLINE=30K
Ω
(Figure.4)
120
mV
CABLE COMPENSATION SECTION
Sink Current of FB
Pin
Ifb
100% output current
100
µA
PROTECTION SECTION
Over Voltage
VFBOVP
6
6.5
7
V
Max.
On Time
of
Primary Side
TonpMAX
25
uS
表 3
无锡市芯茂微电子有限公司
http://www.chip-hope.com
V1.4
- 6 -



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