NJW4830

- 11 -

Ver.2014-01-08

Application Hint

The simplest protection example is to add an external flywheel diode at the load to protect IC from an inductive

kickback. (Fig.2)

VIN

SOURCE

DRAIN

VDD

VIN

SOURCE

VDD

I

D

Flywheeling Diode

V

DS

VIN

SOURCE

DRAIN

VDD

VIN

SOURCE

VDD

I

D

Flywheeling Diode

V

DS

VIN

GND

OUT

VDD

VIN

VDD

I

D

VDD

V

DS

Flywheeling Diode

VIN

GND

OUT

VDD

VIN

VDD

I

D

VDD

V

DS

Flywheeling Diode

Fig 2. Application Circuit of Inductance Load Driving (Left: Low-side Switch / Light High-side Switch)

Application Tips

Technical Information

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including the

industrial rights.