L6206N 데이터 시트보기 (PDF) - STMicroelectronics

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L6206N

DMOS DUAL FULL BRIDGE DRIVER

STMicroelectronics 

L6206

Figure 7. Overcurrent Protection Simplified Schematic

OUT1A VSA OUT2A

POWER SENSE

1 cell

HIGH SIDE DMOSs OF

THE BRIDGE A

µC or LOGIC

+5V

RENA

CENA

ENA

OCDA

I1A I2A

TO GATE

LOGIC

POWER DMOS

n cells

OCD

COMPARATOR

I1A / n

INTERNAL

OPEN-DRAIN

RDS(ON)

40Ω TYP.

OVER

TEMPERATURE

POWER DMOS

n cells

+

I2A / n

(I1A+I2A) / n

IREF

-

+

1.2V

IREF

POWER SENSE

1 cell

PROGCLA,

RCLA.

D02IN1354

Figure 8. Overcurrent Protection Waveforms

IOUT

ISOVER

VEN

VDD

Vth(ON)

Vth(OFF)

VEN(LOW)

ON

OCD

OFF

ON

BRIDGE

tDELAY

OFF

tOCD(ON)

tEN(FALL)

tOCD(OFF)

tD(OFF)EN

tDISABLE

tEN(RISE)

tD(ON)EN

D02IN1400

10/23

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