NCP51402MNTXG datasheet(3/7 Pages) ONSEMI

Part #	NCP51402MNTXG

Description	Termination Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP51402

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ELECTRICAL CHARACTERISTICS

−40

°C ≤ TA ≤ 125°C; VCC = 3.3 V; PVCC = 1.8 V; VRI = VTTS = 0.9 V; EN = VCC; COUT = 3 x 10 mF (Ceramic); unless otherwise noted.

Parameter

Conditions

Symbol

Min

Typ

Max

Units

SUPPLY CURRENT

VCC Supply Current

TA = +25°C, EN = 3.3 V, No Load

IVCC

0.7

1

mA

VCC Shutdown Current

TA = +25°C, EN = 0 V, VRI = 0 V, No Load

IVCC SHD

65

80

mA

TA = +25°C, EN = 0 V, VRI > 0.4 V, No Load

200

400

VCC UVLO Threshold

Wake−up, TA = +25°C

VUVLO

2.2

2.3

2.375

V

Hysteresis

50

mV

PVCC Supply Current

TA = +25°C, EN = 3.3 V, No Load

IPVCC

1

50

mA

PVCC Shutdown Current

TA = +25°C, EN = 0 V, No Load

IPVCC SHD

0.1

50

mA

VTT OUTPUT

VTT Output DC Voltage

PVCC = 1.50 V, VRO = 0.75 V, ITT = 0 A

VOS

0.75

mV

PVCC = 1.35 V, VRO = 0.675 V, ITT = 0 A

0.675

PVCC = 1.20 V, VRO = 0.60 V, ITT = 0 A

0.60

VTT Output Tolerance to VRO

−2 A < ITT < 2 A

PVCC = 1.50 V, VRO = 0.75 V

−18

+18

mV

PVCC = 1.20 V, VRO = 0.60 V

PVCC = 1.35 V, VRO = 0.675 V

−20

+20

Source Current Limit

VTTS = 90% * VRO

3

4.5

A

Sink Current Limit

VTTS = 110% * VRO

3.5

5.5

A

VTT Rise Time

Enable to VTT = 95% of VRI, VTT has 100 mF

ceramic cap load, VRI = 600 mV

25

35

ms

Discharge MOSFET

On−resistance

VRI = 0 V, VTT = 0.3 V, EN = 0 V, TA = +25°C

RDIS

18

25

W

VRI − INPUT REFERENCE

VRI Voltage Range

VRI

0.5

1.8

V

VRI Input−bias Current

EN = 3.3 V

IRI

+1

mA

VRI UVLO Voltage

VRI rising

VRI UVLO

360

390

435

mV

Hysteresis

VRI HYS

60

VRO − OUTPUT REFERENCE

VRO Voltage

VRI

V

VRO Voltage Tolerance to VRI

IRO = ±10 mA, 0.6 V ≤ VRI ≤ 1.25 V

−15

+15

mV

VRO Source Current Limit

VRO = 0 V

10

40

mA

VRO Sink Current Limit

VRO = 0 V

10

40

mA

PGOOD − POWERGOOD COMPARATOR

PGOOD Lower Threshold

(with respect to VRO)

−23.5%

−20%

−17.5%

V/V

PGOOD Upper Threshold

(with respect to VRO)

17.5%

20%

23.5%

PGOOD Hysteresis

5%

PGOOD Start−up Delay

Start−up rising edge, VTTS within 15% of VRO

2

ms

PGOOD Leakage Current

VTTS = VRI (PGOOD = True)

PGOOD = VCC + 0.2 V

1

mA

PGOOD = False Delay

VTTS is beyond ±20% PGOOD trip thresholds

10

ms

PGOOD Output Low Voltage

IGOOD = 4 mA

0.4

V

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