L9904(2002) 데이터 시트보기 (PDF) - STMicroelectronics

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L9904
(Rev.:2002)

MOTOR BRIDGE CONTROLLER

STMicroelectronics 

Figure 1. Timing of the ISO-interface

VTX

L9904

0.3 • V V C C

0.7 • V VCC

0.3 • V VCC

t

VK

tKL

t KH

t Kf

tKr

0.55 • V VS

0.45 • V V S

80%

20%

IK > I KSC

t

VRX

tRXL

tRXH

0.7 • VVC C

0.3 • VV C C

open drain

tr ansis tor at

K-pin

ON

OFF

t

t SH

Figure 2. Timing of the drivers for the external MOS regarding the inputs DIR and PWM

PWM

or

DIR

GHX

GLX

50%

80%

t

GHXLH

t

GHXr

20%

t

t

GLXHL GLXf

80%

20%

t

t

t

GHXHL GHXf

t

GLXLH

t

GLXr

t

t

9/17

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