RT8065 datasheet(4/13 Pages) RICHTEK

4 / 13 page

RT8065

DS8065-07

November 2012

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage, VIN -----------------------------------------------------------------------------------------

−0.3V to 6V

LX Pin Switch Voltage ----------------------------------------------------------------------------------------------

−0.3V to (VIN + 0.3V)

<10ns ------------------------------------------------------------------------------------------------------------------

−5V to 8.5V

Other I/O Pin Voltages ---------------------------------------------------------------------------------------------

−0.3V to (VIN + 0.3V)

LX Pin Switch Current ---------------------------------------------------------------------------------------------- 5A

Power Dissipation, PD @ TA = 25

°C

SOP-8 (Exposed Pad) -------------------------------------------------------------------------------------------- 1.333W

WDFN-8L 3x3 -------------------------------------------------------------------------------------------------------- 1.429W

Package Thermal Resistance (Note 2)

SOP-8 (Exposed Pad),

θJA ---------------------------------------------------------------------------------------- 75°C/W

SOP-8 (Exposed Pad),

θJC --------------------------------------------------------------------------------------- 15°C/W

WDFN-8L 3x3,

θJA --------------------------------------------------------------------------------------------------- 70°C/W

WDFN-8L 3x3,

θJC--------------------------------------------------------------------------------------------------- 8.2°C/W

Junction Temperature ----------------------------------------------------------------------------------------------- 150

°C

Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------- 260

°C

Storage Temperature Range --------------------------------------------------------------------------------------

−65°C to 150°C

ESD Susceptibility (Note 3)

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

Electrical Characteristics

(VIN = 3.3V, TA = 25

°C, unless otherwise specified)

Recommended Operating Conditions

(Note 4)

Supply Input Voltage, VIN ----------------------------------------------------------------------------------------- 2.7V to 5.5V

Junction Temperature Range --------------------------------------------------------------------------------------

−40°C to 125°C

Ambient Temperature Range --------------------------------------------------------------------------------------

−40°C to 85°C

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Feedback Reference Voltage

VREF

0.784

0.8

0.816

Active , VFB = 0.78V, Not Switching

460

DC Bias Current

Shutdown

μA

Output Voltage Line Regulation

VIN = 2.7V to 5.5V

0.1

%/V

Output Voltage Load Regulation

0A < ILOAD < 3A

0.25

Error Amplifier

Trans-conductance

400

μA/V

Current Sense Trans-resistance RT

0.3

ROSC = 330kΩ

0.8

1.2

Switching Frequency

Switching

0.2

MHz

Logic-High

VIH

1.6

EN Input Voltage

Logic-Low

VIL

0.4

RT8065 Datasheet(PDF) 4 Page - Richtek Technology Corporation

RT8065 Datasheet(HTML) 4 Page - Richtek Technology Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13

Datasheet Download

Link URL