L6386AD013TR datasheet(9/15 Pages) STMICROELECTRONICS

Nome de Peças	L6386AD013TR

Descrição Electrónicos	High voltage high and low-side driver

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L6386AD

Bootstrap driver

15

For example: using a power MOS with a total gate charge of 30 nC, the drop on the

bootstrap DMOS is about 1 V, if the Tcharge is 5 ms. In fact:

Equation 3

Vdrop has to be taken into account when the voltage drop on CBOOT is calculated: if this drop

is too high, or the circuit topology doesn’t allow a sufficient charging time, an external diode

can be used.

Figure 4. Bootstrap driver

Vdrop

30nC

5

s

--------------- 125

 0.8V





=

TO LOAD

D99IN1056

H.V.

HVG

ab

LVG

HVG

LVG

CBOOT

TO LOAD

H.V.

CBOOT

DBOOT

VBOOT

VS

VOUT

VBOOT

VOUT

Nº de peça semelhante - L6386AD013TR

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STMicroelectronics	L6386AD013TR	208Kb / 17P	High-voltage high and low side driver

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