MAX17000AETG+ datasheet(5/32 Pages) MAXIM

Part #	MAX17000AETG+

Description	Complete DDR2 and DDR3 Memory Power-Management Solution

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Manufacturer	MAXIM [Maxim Integrated Products]

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Complete DDR2 and DDR3 Memory

Power-Management Solution

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 12V, VCC = VDD = VSHDN = VREFIN = 5V, VCSL = 1.8V, STDBY = SKIP = AGND, TA = 0°C to +85°C, unless otherwise noted.

Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CURRENT LIMIT

Valley Current-Limit Threshold

VLIMIT

VCSH - VCSL

17

20

25

mV

Current-Limit Threshold

(Negative)

VNEG

VCSH - VCSL,

SKIP = VCC

-23

mV

Current-Limit Threshold

(Zero Crossing)

VZX

VPGND1 - VLX

1

mV

SMPS GATE DRIVERS

DH Gate-Driver On-Resistance

RDH

BST - LX forced to 5V

1.5

5.0

DL high

1.5

5.0

DL Gate-Driver On-Resistance

RDL

DL low

0.6

3.0

DH Gate-Driver Source/

Sink Current

IDH

DH forced to 2.5V, BST - LX forced to 5V

1

A

IDL(SRC)

DL forced to 2.5V

1

DL Gate-Driver Source/

Sink Current

IDL(SNK)

DL forced to 2.5V

3

A

DL rising, TA = +25°C

10

25

Dead Time

tDEAD

DL falling, TA = +25°C

15

35

ns

Internal BST Switch

On-Resistance

RBST

IBST = 10mA,

VDD = 5V internal design target

4.5

LX, BST Leakage Current

VBST = VLX = 26V,

SHDN = AGND,

TA = +25°C

0.001

20

μA

INPUTS AND OUTPUTS

Logic-Input Threshold

SHDN, STDBY, SKIP, OVP, rising edge

hysteresis = 300mV/600mV (min/max)

1.30

1.65

2.00

V

Logic-Input Current

SHDN, STDBY, SKIP = 0 or VCC,

TA = +25°C

-1

+1

μA

Input Leakage Current

CSH = 0 or VCC, TA = +25°C

-1

+1

μA

Input Bias Current

CSL = 0 or VCC

55

100

μA

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