L6232E 데이터 시트보기 (PDF) - STMicroelectronics

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L6232E

SPINDLE DRIVER

STMicroelectronics 

td(BRK) = 1.4 R1 C6

The sensing resistor value is generally lower

than 1ohm, but a wire wounded type must be

avoided. In Fig.3 the 0.33 ohm sensing resistor

is shown as three parallel 1ohm metal film resis-

Figure 3: Typical Application Circuit

L6232E

tors. Care must be taken in the PC Board design

particularly about ground loops and ground cop-

per area. The typical Thermal Resistance junction

to ambient versus PC Board copper area (Fig.7)

is shown in Fig 8. For Transient Thermal Resis-

tance see Fig. 9.

Figure 4: Typical Normalized RDS (on) vs.

Junction Temperature

Figure 5: Output Voltage Slew Rate Control vs.

1/R2 Value

7/10

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