NCP1422 datasheet(6/14 Pages) ONSEMI

부품명	NCP1422

상세설명	800 mA Sync?뭃ect PFM Step?뭊p DC?묭C Converter with True?묬utoff and Ring?묷iller

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제조업체	ONSEMI [ON Semiconductor]

홈페이지	http://www.onsemi.com

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NCP1422

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6

TYPICAL OPERATING CHARACTERISTICS

−10

−5

5

10

1

100

1000

VOUT = 3.3 V

L = 5.6

mH

CIN = 22 mF

COUT = 22 mF

TA = 25_C

0

10

20

30

40

50

1.5

1.7

1.9

2.1

2.3

2.5

Figure 8. Output Voltage Change vs. Load Current

Figure 9. Output Voltage Change vs. Load Curren

Figure 10. Battery Input Voltage vs. Output Ripple

Voltage

Figure 11. Low Battery Detect

Figure 12. No Load Operating Current vs. Input

Voltage at OUT Pin

VIN = 2.0 V

VIN = 2.5 V

0

OUTPUT LOADING CURRENT, ILOAD/mA

−10

−5

5

10

1

100

1000

VOUT = 5.0 V

L = 5.6

mH

CIN = 22 mF

COUT = 33 mF

TA = 25_C

VIN = 3.3 V

VIN = 1.5 V

0

OUTPUT LOADING CURRENT, ILOAD/mA

VIN = 2.5 V

300 mA

BATTERY INPUT VOLTAGE, VBATT/V

100 mA

500 mA

VIN = 2.5 V

VOUT = 3.3 V

L = 6.8

mH

CIN = 22 mF

COUT = 22 mF

TA = 25_C

Upper Trace: Input Voltage Waveform, 1.0 V/Division

Lower Trace: Output Voltage Waveform, 2.0 V/Division

Figure 13. Startup Transient Response

2.5

5.0

7.5

10

12.5

15

1.5

2.0

2.5

3.0

3.5

5.0

INPUT VOLTAGE AT OUT PIN, VOUT/V

4.0

4.5

Upper Trace: Voltage at LBI Pin, 1.0 V/Division

Lower Trace: Voltage at LBO Pin, 1.0 V/Division

VIN = 2.5 V

VOUT = 5.0 V

ILOAD = 10 mA

10

유사한 부품 번호 - NCP1422

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	NCP1422	1Mb / 20P	High Efficiency DC-DC Converters Rev.2, Jun-2006
ON Semiconductor	NCP1422	3Mb / 4P	AC-DC Offline Switching Controllers/Regulators Rev.0, Jun-2005

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NCP1422 데이터시트(PDF) 6 Page - ON Semiconductor

NCP1422 데이터시트(HTML) 6 Page - ON Semiconductor

유사한 부품 번호 - NCP1422

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