FSB50825AS datasheet(9/11 Pages) ONSEMI

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FSB50825AS Rev. 1.6

Figure 10. Example of Application Circuit

4th Notes:

1. About pin position, refer to Figure 1.

2. RC-coupling (R5 and C5, R4 and C6) and C4 at each input of Motion SPM

® 5 product and MCU are useful to prevent improper input signal caused by surge-noise.

3. The voltage-drop across R3 affects the low-side switching performance and the bootstrap characteristics since it is placed between COM and the source terminal of the low-

side MOSFET. For this reason, the voltage-drop across R3 should be less than 1 V in the steady-state.

4. Ground-wires and output terminals, should be thick and short in order to avoid surge-voltage and malfunction of HVIC.

5. All the filter capacitors should be connected close to Motion SPM 5 product, and they should have good characteristics for rejecting high-frequency ripple current.

COM

VCC

LIN

HIN

COM

VCC

LIN

HIN

COM

VCC

LIN

HIN

(1 ) COM

(2 ) VB(U)

(3 ) VCC(U)

(4 ) IN(UH)

(5 ) IN(UL)

(6 ) N.C

(7 ) VB(V)

(8 ) VCC(V)

(9 ) IN(VH)

(10 ) IN(VL)

(11 ) VTS

(12 ) VB(W)

(13 ) VCC(W)

(14 ) IN(WH)

(15 ) IN(WL)

(16 ) N.C

(17) P

(18 ) U , VS(U)

(19) NU

(22) NW

15 V

Supply

VDC

For current-sensing and protection

VTS

(21 ) V , VS(V)

(20) NV

(23 ) W , VS(W)

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