Rainbow-electronics MAX17000 Manual do Utilizador descarregar pdf (Página 17)

MAX17000

Complete DDR2 and DDR3 Memory

Power-Management Solution

______________________________________________________________________________________ 17

VTT POS

CURRENT LIMIT

VTT SS

CURRENT LIMIT

VTT NEG

CURRENT LIMIT

BST

VDD

1-SHOT

TRIGQ

OFF(MIN)

CSL

TON

ERROR

AMP

ZERO CROSSING

SHDN

VALLEY CURRENT LIMIT

PGND1

3mV

20mV

SOFT-START/STOP

CSL

CSH

1V REF

AGND

VCC

INT_REF

DECODE

INT_FB

VTTI

VTT

PGND2

VTTR

POWER-GOOD1

PGOOD1

1.15V

OVF

POWER-GOOD2

PGOOD2

SMPS FAULT

DETECTION

1.2V

OVP

SMPS

FAULT

LATCH

SMPS

FAULT

0.7V

INT_FB

OVF

UVF

VTTS

CSL

VTT WINDOW

COMPARATOR

VTT FAULT

SMPS

FAULT

5ms

TIMER

VTT

FAULT

VTT

FAULT

VTTI

VTT

PGND2

STDBY

SKIP

STDBY EA

1-SHOT

TRIG Q

TON

ON-TIME

COMPUTE

STDBY

RUN

10ms

TIMER

RUN

SMPS

RUN

SMPS RUN

1.4ms

5mV

VTT

PGND2

SMPS RUNOK

STDBY

PGND1

PGND2

VTT

CSL

16Ω

REFIN

CSL

5mV

VTT_EN

RUN

OVP

UVLO

MAX17000

- 0.3V

Figure 2. MAX17000 Functional Diagram

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 30 31

MAX17000 1
Complete DDR2 and DDR3 Memory 1
Power-Management Solution 1

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