SMM764

Preliminary Information

Summit Microelectronics, Inc

2098 1.1 6/29/2005

13

Figure 5 - The SMM764 cascade sequencing the supplies on and then monitoring for fault conditions.

Figure 6 - The SMM764 cascade sequencing the supplies off.

TIMING DIAGRAMS (CONTINUED)

t

DPONA

t

DPONB

t

DPONC

t

DPOND

12

3

VM

A

PUP

A

PUP

B

PUP

C

PUP

D

VM

B

VM

C

VM

D

Sequence

Position

t

DPOFFA

t

DPOFFB

t

DPOFFC

t

DPOFFD

321

VM

A

PUP

A

PUP

B

PUP

C

PUP

D

VM

B

VM

C

VM

D

Sequence

Position