NCP1522 datasheet(6/17 Pages) ONSEMI | 3.0 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter

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상세내용

NCP1522

3.0 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter ( 17 Page)

ONSEMI

6 page

NCP1522

http://onsemi.com

Figure 10. Efficiency vs. Output Current

(VIN = 4.0 V)

Figure 11. Frequency vs. Input Voltage

Figure 12. Frequency vs. Temperature

Figure 13. Load Regulation

Figure 14. Output Voltage vs. Enable Input Pin

Voltage

Figure 15. PFM/PWM Threshold vs. Input

Voltage

IOUT, OUTPUT CURRENT (mA)

3.0

1.0

−3.0

100

200

300

400

500

700

−1.0

−2.0

0.5

0.2

0.4

0.6

0.8

1.0

VIN, ENABLE INPUT VOLTAGE (V)

0.0

1.4

1.5

1.0

2.0

VIN, INPUT VOLTAGE (V)

2.4

2.6

2.8

3.0

3.2

3.4

2.7

3.2

3.7

4.2

4.7

5.7

3.6

5.2

2.0

0.0

2.7

3.2

3.7

4.2

4.7

5.2

VIN, INPUT VOLTAGE (V)

5.7

300

100

200

IOUT, OUTPUT CURRENT (mA)

100

200

300

400

500

600

VOUT = 3.3 V

VOUT = 1.8 V

VOUT = 0.9 V

IOUT = 300 mA

IOUT = 600 mA

TEMPERATURE (

°C)

2.4

2.6

2.8

3.0

3.2

3.4

−40

−20

100

3.6

VIN = 5.5 V

IOUT = 300 mA

VIN = 3.6 V

1.5

−2.5

−0.5

−1.5

2.5

0.5

600

VOUT = 3.3 V

VOUT = 1.8 V

VOUT = 0.9 V

1.2

250

150

VOUT = 1.8 V

TA = 25°C

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

관련 부품명

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