Rainbow-electronics MAX8707 Manual do Utilizador descarregar pdf (Página 36)

Chip Information

TRANSISTOR COUNT: 9011

PROCESS: BiCMOS

MAX8707

Multiphase, Fixed-Frequency Controller for

AMD Hammer CPU Core Power Supplies

36 ______________________________________________________________________________________

THIN QFN

6mm x 6mm

CSP4

CSN4

GND

CCV

GNDS

VPS

PWM1

N.C.

OFS

REF

ILIM(AVE)

TIME

OSC

PGND

VROK

SUS

SUSV

TRC

ILIM(PK)

FBS

CSP3

CSN3

CSP2

CSN2

CSP1

CSN1

CRSP

CRSN

PWM2

PWM3

PWM4

13 14 15 16 17 18 19 20

313233343536

40 39 38 37

1211

SKIP

SHDN

DRSKP

TOP VIEW

MAX8707

Pin Configuration

1 2 ... 31 32 33 34 35 36 37

General Description 1
Features 1
Ordering Information 1
Applications 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
-1.5 +1.5 4
CSP_ - CSN_ 4
-2 +2 mV 7
MAX8707 toc22 12
MAX8707 toc23 12
MAX8707 toc24 12
MAX8707 toc25 12
Pin Description 13
Pin Description (continued) 14
Detailed Description 16
Switching Frequency (OSC) 17
Table 2. Component Suppliers 21
Table 5. SKIP Settings 26
Current Sense 27
Peak/Average Current Limit 27
Power-Up Sequence (POR, UVLO) 28
Shutdown 28
Fault Protection 29
Multiphase, Fixed-Frequency 30
Design Procedure 30
Current Limit 31
Output-Capacitor Selection 31
Input Capacitor Selection 32
Setting Voltage Positioning 32
Applications Information 33
Layout Procedure 35
Chip Information 36
Pin Configuration 36
Package Information 37

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