TB67H303HG

2014-03-17

8

Current waveform when setting current is changed by changing Vref in the constant-current

PWM control mode

•

MIXED DECAY TIMMING ⇒ NF point

•

Output current of MIXED DECAY MODE > Setting current

It is charged instantaneously to confirm the current though output current is larger than setting current.

NF

NF

OSCM

internal

waveform

Setting current

Setting current

40%

Fast

DECAY

MODE

MDT (MIXED DECAY TIMMING)

Change point of Vref

NF

40%

Fast

DECAY

MODE

NF

MDT (MIXED DECAY TIMMING)

Move to FAST mode after CHARGE

Setting current

Change point

of Vref

NF

NF

MDT (MIXED DECAY TIMMING)

40%

Fast

DECAY

MODE

Setting current

Setting current

Setting current

Change point of Vref