TC2575VAT Просмотр технического описания (PDF) - TelCom Semiconductor Inc => Microchip

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производитель

TC2575VAT

1.0A Step-Down Switching Regulator

TelCom Semiconductor Inc => Microchip 

1.0A Step-Down Switching Regulator

TC2575

7.0 – 40V

Unregulated

DC Input

CIN

100µF

+VIN

+1

Feedback

4

TC2575

Output

2

3 GND

5 ON/OFF

L1

330µH

D1

1N5819

5.0V Regulated

Output 1.0A Load

COUT

330µF

Figure 1. Block Diagram and Typical Application: Fixed Output Voltages

VIN

Unregulated

DC Input

8.0 – 40V

5.0 Output Voltage Versions

VIN

1

TC2575

(5V)

+ CIN 3 GND

5

100µF/50V

Feedback

4

Output

L1

330µH

VOUT

Regulated

Output

2

ON/OFF

COUT +

D1 330µF/16V

IN5819

Load

Unregulated

DC Input

8.0 – 40V

Adjustable Output Voltage Versions

Feedback

VIN

1

3

+ CIN

100µF/50V

4

TC2575

Adjustable

Output

2

GND 5 ON/OFF

L1

330µH

D1

IN5819

+ CIN

330µF/

16V

VOUT

Regulated

Output

R2

Load

R1

( ) VOUT = VREF

1 + R2

R1

( ) R1= R2 VOUT - 1

VREF

Where VREF = 1.23V, R1

between 1.0kΩ and 5.0kΩ

Figure 2. Typical Test Circuit

TC2575-1 3/13/00

5

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