RT9005BGSP 데이터 시트보기 (PDF) - Richtek Technology

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RT9005BGSP

DDR VDDQ and Termination Voltage Regulator

Richtek Technology 

RT9005A/B

Preliminary

Absolute Maximum Ratings (Note 1)

z Supply Input Voltage, VIN -------------------------------------------------------------------------------------------- 6V

z Power Dissipation, PD @ TA = 25°C

SOP-8 (Exposed) ----------------------------------------------------------------------------------------------------- 1.33W

z Package Thermal Resistance (Note 4)

SOP-8 (Exposed), θJA ------------------------------------------------------------------------------------------------ 75°C/W

SOP-8 (Exposed), θJC ----------------------------------------------------------------------------------------------- 28°C/W

z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C

z Lead Temperature (Soldering, 10sec.) ---------------------------------------------------------------------------- 260°C

z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C

z ESD Susceptibility (Note 2)

HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV

MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions (Note 3)

z Supply Input Voltage, VIN1 ------------------------------------------------------------------------------------------ 5V to 2.5V

z Supply Input Voltage, VIN2 ------------------------------------------------------------------------------------------ 3.6V to 1.5V

z Control Voltage, VCNTL ----------------------------------------------------------------------------------------------- 5V to 3.1V

z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C

z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C

Electrical Characteristics

(VIN1 =3.3V , VIN1 = VOUT + 1V, CIN1 = COUT1 = 2.2μF (Ceramic) & CBP = 10nF; VIN2 = 2.5V/1.8/1.5V, VCNTL = 3.3V, VREFEN = 1.25V/

0.9/0.75V, CIN2 = 470μF, CVCNTL= 47μF, COUT2 = 1000μF(Electrolytic), TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Units

Input

Operation Current

IVCNTL IOUT = 0A

-- 1.5 3.0 mA

Standby Current (Note 5)

VOUT1 (VDDQ)

ISTBY2

VREFEN < 0.2V (Shutdown),

RLOAD = 180Ω

-- 50 90 μA

VOUT1 Accuracy

VOUT1 Current Limit

VOUT1 Dropout Voltage

(Note 6)

ΔVOUT

ILIM1

VDROP

IOUT = 10mA

RLOAD = 0.5Ω, VIN1 = 3.3V

IOUT = 0.5A

IOUT = 1.0A

−2 -- +2 V

2 2.8 3

A

-- 120 180

mV

-- 240 360

Line Regulation

Load Regulation (Note 7)

VOUT2 (VTT)

ΔVLINE

ΔVLOAD

VIN1 = (VOUT1 + 0.5V) to 5.5V

IOUT1 = 1mA

VIN1 = (VOUT1 + 0.5V)

10mA < IOUT1 < 1A

--

-- 0.3 %

-- 0.4 -- %/A

Output Offset Voltage (Note 8) VOS

IOUT = 0A

−20 -- +20 mV

To be continued

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DS9005A/B-01 September 2007

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