NCP1400A datasheet(4/16 Pages) ONSEMI

Part #	NCP1400A

Description	100 mA, Fixed Frequency PWM Step?뭊p Micropower Switching Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1400A

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ELECTRICAL CHARACTERISTICS (continued) (For all values TA = 25°C, unless otherwise noted.)

Characteristic

Unit

Max

Typ

Min

Symbol

CE (PIN 1)

CE Input Voltage (VOUT = VSET x 0.96)

High State, Device Enabled

Low State, Device Disabled

VCE(high)

VCE(low)

0.9

−

0.3

V

CE Input Current (Note 6)

High State, Device Enabled (VOUT = VCE = 5.0 V)

Low State, Device Disabled (VOUT = 5.0 V, VCE = 0 V)

ICE(high)

ICE(low)

−0.5

0

0.15

0.5

mA

TOTAL DEVICE

Output Voltage (VIN = 0.7 x VOUT, IO = 10 mA)

Device Suffix:

19T1

22T1

25T1

27T1

30T1

33T1

38T1

45T1

50T1

VOUT

1.853

2.145

2.438

2.633

2.925

3.218

3.705

4.3875

4.875

1.9

2.2

2.5

2.7

3.0

3.3

3.8

4.5

5.0

1.948

2.255

2.563

2.768

3.075

3.383

3.895

4.6125

5.125

V

Output Voltage Temperature Coefficient (TA = −40°C to +85°C)

Device Suffix:

19T1

22T1

25T1

27T1

30T1

33T1

38T1

45T1

50T1

DVOUT

−

100

150

−

ppm/

°C

Operating Current 2 (VOUT = VCE = VSET +0.5 V, Note 5)

IDD2

−

7.0

15

mA

Off−State Current (VOUT = 5.0 V, VCE = 0 V, TA = −40°C to +85°C, Note 6)

IOFF

−

0.6

1.5

mA

Operating Current 1 (VOUT = VCE = VSET x 0.96, fOSC = 180 kHz)

Device Suffix:

19T1

22T1

25T1

27T1

30T1

33T1

38T1

45T1

50T1

IDD1

−

23

27

32

37

44

53

70

50

60

65

75

100

mA

5. VSET means setting of output voltage.

6. CE pin is integrated with an internal 150 nA pullup current source.

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