MAX17000 查看數據表（PDF） - Maxim Integrated

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MAX17000

Complete DDR2 and DDR3 Memory Power-Management Solution

Maxim Integrated 

MAX17000

Complete DDR2 and DDR3 Memory

Power-Management Solution

Typical Operating Characteristics (continued)

(MAX17000 Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SKIP = GND, TA = +25°C, unless otherwise noted.)

STARTUP WAVEFORM

(HEAVY LOAD)

MAX17000 toc09

SHUTDOWN WAVEFORM

(DISCHARGE MODE ENABLED)

MAX17000 toc10

SHDN

VDDQ

VTT

VTTR

PGOOD1

DL

VDDQ

VTTR

VTT

PGOOD2

PGOOD1

SHDN

ILX

ILX

DL

200μs/div

SHDN : 5V/div PGOOD1 : 2V/div RLOAD = 0.25Ω

VDDQ : 500mV/div ILX : 5A/div

SKIP = GND

VTT : 500mV/div DL : 5V/div

VTTR : 500mV/div

DL : 5V/div

VDDQ : 2V/div

VTT : 1V/div

VTTR : 1V/div

400μs/div

PGOOD2 : 5V/div

PGOOD1 : 5V/div

SHDN : 10V/div

ILX : 2A/div

STBY

VDDQ

VTT

STANDBY TRANSITION WAVEFORM

MAX17000 toc11

TON

DL

LX

ILX

STBY : 5V/div

VDDQ : 1V/div

VTT : 1V/div

TON: 10V/div

2ms/div

DL : 5V/div

LX : 10V/div

ILX : 2A/div

STBY

VDDQ

STANDBY TRANSITION WAVEFORM

MAX17000 toc12

VTT

TON

LX

DL

ILX

STBY : 5V/div

VDDQ : 2V/div

VTT : 1V/div

TON: 10V/div

200μs/div

LX : 10V/div

ILX : 10A/div

DL : 5V/div

SMPS LOAD-TRANSIENT RESPONSE

(SKIP MODE)

MAX17000 toc13

VDDQ

SMPS LOAD-TRANSIENT RESPONSE

(SKIP MODE)

MAX17000 toc14

VDDQ

LX

ILOAD

LX

ILOAD

ILX

20μs/div

VDDQ : 50mV/div

LX : 10V/div

ILOAD : 5A/div

ILX : 5A/div

ILX

20μs/div

VDDQ : 50mV/div

LX : 10V/div

ILOAD : 5A/div

ILX : 5A/div

Maxim Integrated

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