NCP346SN2T1G datasheet(4/15 Pages) ONSEMI

Part #	NCP346SN2T1G

Description	Overvoltage Protection IC

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP346

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ELECTRICAL CHARACTERISTICS (NCP346SN1T1)

(For typical values TA = 25°C, for min/max values TA = −40°C to +85°C unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

VCC Operating Voltage Range

5

VCC(opt)

2.5

−

25

V

Total Supply Current (IN Connected to VCC; ON Mode, VCC = 4.0 V,

CNTRL Pin Floating, Steady State)

4,5

Icc on

−

650

1200

mA

Total Supply Current (IN Connected to VCC; OFF Mode Driven by

CNTRL Pin, VCC = 4.0 V, VCNTRL = 1.5 V, Steady State)

4,5

Icc off

CNTRL

−

700

1200

mA

Total Supply Current (IN Connected to VCC; OFF Mode Driven by

Overvoltage, VCC = 5.0 V, CNTRL Pin Floating, Steady State)

4,5

Icc off IN

−

750

1200

mA

Input Threshold (IN Connected to VCC; VCC Increasing)

4

Vth (LH)

4.3

4.45

4.6

V

Input Threshold (IN Connected to VCC; VCC Decreasing)

4

Vth (HL)

4.3

4.4

4.6

V

Input Hysteresis (IN Connected to VCC)

4

Vhyst

−

50

−

mV

Input Impedance of IN Pin

4

Rin

30

55

85

k

W

CNTRL Voltage High

3

VIH

1.5

−

V

CNTRL Voltage Low

3

VIL

−

0.5

V

CNTRL Current High (Vih = 5.0 V)

3

IIH

−

90

200

mA

CNTRL Current Low (Vil = 0.5 V)

3

IIL

−

9.0

20

mA

Output Voltage High (IN Connected to VCC, VCC = 5.0 V)

Isource = 10 mA

Isource = 0.25 mA

Isource = 0 mA

1

Voh

VCC − 1.0

VCC − 0.25

VCC − 0.1

−

V

Output Voltage Low (IN Connected to VCC, VCC = 4.0 V, CNTRL Pin

Floating)

Isink = 0 mA

1

Vol

−

0.1

V

Output Sink Current (IN Connected to VCC, VCC = 4.0 V, CNTRL Pin

Floating, VOUT = 1.0 V)

1

Isink

4.0

10

16

mA

Turn ON Delay – Input (IN Connected to VCC; VCC Steps Down from

5.0 V to 4.0 V, Cload = 12 nF, Measured to Vout < 1.0 V)

1

ton IN

−

1.8

3.5

msec

Turn OFF Delay – Input (IN Connected to VCC; VCC Steps Up from

4.0 V to 5.0 V, Cload = 12 nF, Measured to VOUT > VCC − 1.0 V)

1

toff IN

−

0.6

1.0

msec

Turn OFF Delay – CNTRL (IN Connected to VCC; VCC = 4.0 V, VCNTRL

Steps from 0.5 V to 2.0 V, Cload = 12 nF, Measured to VOUT > VCC −

1.0 V)

1

toff

CNTRL

−

0.5

1.0

msec

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