NHS035C datasheet(25/42 Pages) RENESAS

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PD166028T1K Datasheet

3. Specification

R07DS1162EJ0200 Rev.2.00

Page 25 of 40

May 22, 2015

3.6.8 Diagnostic signal

Truth table

SEN

Input

Output

Diagnostic output 2)

Normal Operation

VCC

IIS = IL/KILIS

L 1)

< 1µA (Iis,dis)

Shutdown by over

current detection

L 1)

Iis,fault 3)

L 1)

< 1µA (Iis,dis)

Power limitation

VOUT 6)

IIS = IL/KILIS in case of Von<Von(CL1)

Iis,fault 4) in case of Von>Von(CL1)

L 1)

Iis,fault 4)

L 1)

< 1µA (Iis,dis)

Thermal toggling

VOUT 6)

IIS = IL/KILIS in case of Von<Von(CL1)

Iis,fault 5) in case of Von>Von(CL1)

L 1)

Iis, fault 5)

L 1)

< 1µA (Iis,dis)

Short circuit to VCC

VCC

< 2µA (Iis,offset)

VOUT 7)

Iis,fault in case of VOUT>VOUT(OL)

Open Load

VCC

< 2µA (Iis,offset)

VOUT 7)

Iis,fault in case of VOUT>VOUT(OL)

X 8)

< 1µA (Iis,dis)

1) In case of OUT terminal is connected to GND via load.

2) In case of IS terminal is connected to GND via resister.

3) IS terminal keeps Iis,fault as long as input signal activate after the over current detection.

4) IS terminal keeps Iis,fault during power limitation if Von>Von(CL1).

5) IS terminal keeps Iis,fault during thermal toggling if Von>Von(CL1)..

6) VOUT depends on the short circuit condition

7) VOUT depends on the ratio of VCC-OUT-GND resistive component.

8) Don’t care

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