KA3021D Fairchild Semiconductor, KA3021D Datasheet - Page 8

• Manufacturer Part Number: KA3021D
• Description: Motor / Motion / Ignition Controllers & Drivers SSOP-28
• Manufacturer: Fairchild Semiconductor
• Type: 4 Channel Motor Driverr

Specifications of KA3021D

• Mounting Style: SMD/SMT
• Package / Case: SSOPH-28
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Application Information
1. REFERENCE INPUT & ALL MUTE FUNCTION
Pin 23 (REF) is a reference input pin.
• Reference input
• Mute input
2. PROTECTION FUNCTION
Thermal shutdown (TSD)
• If the chip temperature rises above 175 C, the thermal shutdown (TSD) circuit is activated and the output circuit is in the
The applied voltage at the reference input pin must be between 1.4V and 6.5V, when V
The following input conditions must be satisfied for the normal mute function.
mute state, that is off state. The thermal shutdown(TSD) circuit has a temperature hysteresis of 25 C
All mute on voltage
All mute off voltage
Above 1.4V
Below 1V
8
Mute function operation
Normal operation
CC
=8.5V.
KA3021D