TJ2995DP datasheet(3/9 Pages) HTC

3 / 9 page

DDR Termination Regulator

TJ2995

Oct. 2009 - Rev. 1.1

3/9

HTC

ELECTRICAL CHARACTERISTICS (1)

Specifications with standard typeface are for TJ = 25°. Unless otherwise specified, AVIN = PVIN = 2.5V, VDDQ = 2.5V.(1), (4)

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

VREF Voltage

VREF

VDDQ = 2.3V

VDDQ = 2.5V

VDDQ = 2.7V

1.11

1.21

1.31

1.15

1.25

1.35

1.19

1.29

1.39

VTT Output Voltage

VTT

IOUT = 0 A

VDDQ = 2.3V

VDDQ = 2.5V

VDDQ = 2.7V

IOUT = ± 1.5 A

VDDQ = 2.3V

VDDQ = 2.5V

VDDQ = 2.7V

1.11

1.21

1.31

1.11

1.21

1.31

1.15

1.25

1.35

1.15

1.25

1.35

1.19

1.29

1.39

1.19

1.29

1.39

VTT Output Voltage Offset

(2)

VOSVTT

IOUT = 0 A

IOUT = +1.5 A

IOUT = -1.5 A

-40

Quiescent Current

(3)

IOUT = 0A

250

2000

VDDQ Input Impedance

ZVDDQ

100

kΩ

VSENSE Input Current

ISENSE

0.1

Thermal Shutdown

(5)

TSD

165

℃

Note 1. Stresses listed as the absolute maximum ratings may cause permanent damage to the device. These are for stress ratings. Functional

operating of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not

implied. Exposure to absolute maximum rating conditions for extended periods may remain possibly to affect device reliability.

Note 2: VTT offset is the voltage measurement defined as VTT subtracted from VREF.

Note 3: Quiescent current defined as the current flow into AVIN.

Note 4: Limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation.

Note 5. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction to ambient thermal

resistance, θJA, and the ambient temperature, TA. Exceeding the maximum allowable power dissipation will cause excessive die

temperature and the regulator will go into thermal shutdown.

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