RT8015 datasheet(5/15 Pages) RICHTEK

5 / 15 page

RT8015

DS8015-03

March 2011

www.richtek.com

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage, VDD, PVDD ---------------------------------------------------------------------------

−0.3V to 6V

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

−0.3V to (PVDD+ 0.3V)

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

−0.3V to (VDD + 0.3V)

LX Pin Switch Current ------------------------------------------------------------------------------------------- 4A

Power Dissipation, PD @ TA = 25

°C

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

Package Thermal Resistance (Note 2)

SOP-8 (Exposed Pad),

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

SOP-8 (Exposed Pad),

θJC ------------------------------------------------------------------------------------15°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 Mode) ------------------------------------------------------------------------------------- 2kV

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

Electrical Characteristics

(VDD = 3.3V, TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input Voltage Range

VDD

2.6

5.5

Feedback Reference Voltage

VREF

0.784

0.8

0.816

Active , VFB = 0.78V, Not Switching

460

µA

DC Bias Current

Shutdown

µA

Output Voltage Line Regulation

VIN = 2.7V to 5.5V

0.04

%/V

Output Voltage Load Regulation

0A < ILOAD < 2A

0.25

Error Amplifier

Transconductance

800

Current Sense Transresistance

0.4

Ω

Power Good Range

±12.5

±15

Power Good Pull-Down

Resistance

120

Ω

ROSC = 332k

0.8

1.2

MHz

Switching Frequency

0.3

MHz

Sync Frequency Range

0.3

MHz

To be continued

Recommended Operating Conditions

(Note 4)

Supply Input Voltage -------------------------------------------------------------------------------------------- 2.6V to 5.5V

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

−40°C to 125°C

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

−40°C to 85°C

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