L6398N データシートの表示（PDF） - STMicroelectronics

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L6398N

High voltage high and low side driver

STMicroelectronics 

L6398

6

Waveforms definitions

Waveforms definitions

Figure 4. Dead time and interlocking waveforms definitions

LIN

CONTROL SIGNAL EDGES

HIN

OVERLAPPED:

INTERLOCKING + DEAD TIME LVG

HVG

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

DTLH

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

DTHL

CONTROL SIGNALS EDGES

SYNCHRONOUS (*):

DEAD TIME

LIN

HIN

LVG

HVG

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

DTLH

DTHL

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

LIN

CONTROL SIGNALS EDGES

NOT OVERLAPPED,

BUT INSIDE THE DEAD TIME:

DEAD TIME

HIN

LVG

HVG

DTLH

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

DTHL

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

CONTROL SIGNALS EDGES

NOT OVERLAPPED,

OUTSIDE THE DEAD TIME:

DIRECT DRIVING

LIN

HIN

LVG

HVG

DTLH

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

DTHL

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

(*) HIN and LIN can be connected togheter and driven by just one control signal

Doc ID 18199 Rev 3

9/16

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