LR645 Ver la hoja de datos (PDF) - Supertex Inc

Número de pieza

componentes Descripción

Fabricante

LR645

High Input Voltage SMPS Start-up / Linear Regulator

Supertex Inc 

Figure 4: High Current Regulation

AC Line

24V

to

277V

DN2540N5

GATE

LR645LG

CIN

GND

VOUT

5.0V

REG

COUT

Figure 5: Typical Output Voltage vs Resistor Ratio

12

5.0V

+

0 to

150mA

–

LR645

10

R1 + R2 = 250KΩ

8

2.5

3.0

3.5

4.0

Resistor Ratio (R2/R1)

5

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