Schematics

TSM1051

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3

Schematics

3.1

Internal schematic

Figure 2.

Block diagram

3.2

Typical application circuit

Figure 3.

Typical adaptor or battery charger application using the device

In the above application schematic, the device is used on the secondary side of a flyback

adaptor (or battery charger) to provide an accurate control of voltage and current. The

above feedback loop is made with an optocoupler.

Vctrl

GND

Vsense

Ictrl

OUT

Vcc

1.210 V

200 mV

+

-

+

-

+

1

2

3

5

4

6

Vctrl

GND

Vsense

Ictrl

OUT

Vcc

1.210 V

200 mV

+

-

+

-

+

1

2

3

5

4

6

Rsense

Iout

Vout

Vctrl

GND

Vsense

Ictrl

OUT

Vcc

1.210 V

200 mV

+

-

+

-

+

1

2

3

5

4

6

R1

R2

TSM1051

Ric2

Ric1

Cic1

Cvc1

Rvc1

Rled

Rsense

Iout

Vout

Vctrl

GND

Vsense

Ictrl

OUT

Vcc

1.210 V

200 mV

+

-

+

-

+

1

2

3

5

4

6

R1

R2

TSM1051

Ric2

Ric1

Cic1

Cvc1

Rvc1

Rled