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LR645 数据表(PDF) 5 Page - Supertex, Inc

部件名 LR645
功能描述  High Input Voltage SMPS Start-up / Linear Regulator
PDF  9 Pages
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制造商  SUTEX [Supertex, Inc]
网页  http://www.supertex.com
标志 SUTEX - Supertex, Inc

LR645 数据表(HTML) 5 Page - Supertex, Inc

  LR645 Datasheet HTML 1Page - Supertex, Inc LR645 Datasheet HTML 2Page - Supertex, Inc LR645 Datasheet HTML 3Page - Supertex, Inc LR645 Datasheet HTML 4Page - Supertex, Inc LR645 Datasheet HTML 5Page - Supertex, Inc LR645 Datasheet HTML 6Page - Supertex, Inc LR645 Datasheet HTML 7Page - Supertex, Inc LR645 Datasheet HTML 8Page - Supertex, Inc LR645 Datasheet HTML 9Page - Supertex, Inc  
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background image
5
LR645
AC Line
24V
to
277V
5.0V
0 to
150mA
5.0V
REG
+
–
COUT
CIN
VOUT
GATE
DN2540N5
GND
LR645LG
Figure 4: High Current Regulation
Figure 5: Typical Output Voltage vs Resistor Ratio
12
10
8
2.5
3.0
4.0
3.5
Resistor Ratio (R2/R1)
R1 + R2 = 250KΩ



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