CS8161YTVA5G datasheet(7/11 Pages) ONSEMI

부품명	CS8161YTVA5G

상세설명	12 V, 5.0 V Low Dropout Dual Regulator with ENABLE

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CS8161

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Figure 17. Typical Circuit Waveform

14 V

0 V

2.0 V

0.8 V

VIN

ENABLE

VOUT1

VOUT2

60 V

12 V

5.0 V

34 V

12 V

2.4 V

3.0 V

26 V

12 V

0 V

12 V

5.0 V

12 V

14V

0 V

Load

Dump

Low VIN

Line

Noise, Etc.

VOUT1

Short

Circuit

VOUT1

Thermal

Shutdown

Turn

Off

Turn

On

2.4 V

VOUT2

Short

Circuit

0 V

5.0 V

APPLICATION DIAGRAM

Figure 18. Application Diagram

CS8161

VOUT1

VOUT2

ENABLE

GND

VIN

+

* C1 required if regulator is located far from power supply filter.

** C2, C3 required for stability, value may be increased. Capacitor must operate at minimum temperature expected.

C1*

0.1

mF

C2*

22

mF

C3*

22

mF

Tuner

Display

APPLICATION NOTES

Since both outputs are controlled by the same ENABLE,

the CS8161 is ideal for applications where a sleep mode is

required. Using the CS8161, a section of circuitry such as a

display and nonessential 5.0 V circuits can be shut down

under microprocessor control to conserve energy.

The example in the Applications Diagram (Figure 18)

shows an automotive radio application where the display is

powered by the 12 V on VOUT1 and the Tuner IC is powered

by the 5.0 V on VOUT2. Neither output is required unless both

the ignition and the Radio On/Off switch are on.

Stability Considerations

The output or compensation capacitor (Application

diagram C2 and C3) helps determine three main

characteristics of a linear regulator: startup delay, load

transient response and loop stability.

The capacitor value and type should be based on cost,

availability, size and temperature constraints. A tantalum or

aluminum electrolytic capacitor is best, since a film or

ceramic capacitor with almost zero ESR can cause

instability. The aluminum electrolytic capacitor is the

cheapest solution, but, if the circuit operates at low

temperatures (−25

°C to −40°C), both the value and ESR of

the capacitor will vary considerably. The capacitor

manufacturers data sheet usually provides this information.

유사한 부품 번호 - CS8161YTVA5G

제조업체	부품명	데이터시트	상세설명
Cherry Semiconductor Co...	CS8161YTVA5	198Kb / 8P	12V, 5V Low Dropout Dual Regulator with ENABLE

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CS8161YTVA5G 데이터시트(PDF) 7 Page - ON Semiconductor

CS8161YTVA5G 데이터시트(HTML) 7 Page - ON Semiconductor

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