NCP565 查看數據表（PDF） - ON Semiconductor

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NCP565

Linear Regulator - Low Dropout 1.5 A

ON Semiconductor 

Vin

Cin

Vin

Vout

NCP565

GND

NCP565, NCV565

Vout

Vin

Cout

Cin

Vin

Vout

NCP565

GND ADJ

C1

R1

5.6 pF

R2

Vout

Cout

Figure 1. Typical Application Schematic,

Fixed Output

Figure 2. Typical Application Schematic,

Adjustable Output

PIN DESCRIPTION

D2PAK 5

D2PAK 3

Pin No.

Pin No.

Adj. Version Fixed Version

1

−

2

1

3, Tab

2, Tab

4

3

5

−

DFN6

SOT−223

Pin No.

Pin No.

Pin No.

Adj. Version Fixed Version Fixed Version Symbol

1, 2

1, 2, 5

−

N.C.

3

3

3

Vin

6

6

1

Ground

4

4

2, Tab

Vout

5

−

−

Adj

Description

−

Positive Power Supply Input Voltage

Power Supply Ground

Regulated Output Voltage

This pin is to be connected to the sense

resistors on the output. The linear

regulator will attempt to maintain 0.9 V

between this pin and ground. Refer to

the Application Information section for

output voltage setting.

Vin

Vref = 0.9 V

Voltage

Reference

Block

Output

Stage

Thermal

Shutdown

Block

GND

Current

Limit

Sense

Vout Vin

Vref = 0.9 V

Voltage

Reference

Block

Output

Stage

Current

Limit

Sense

Thermal

Shutdown

Block

GND

Vout

ADJ

Figure 3. Block Diagram, Fixed Output

Figure 4. Block Diagram, Adjustable Output

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