RT6208 datasheet(5/17 Pages) RICHTEK

5 / 17 page

RT6208

is a registered trademark of Richtek Technology Corporation.

DS6208-00

May

2015

www.richtek.com

Absolute Maximum Ratings

(Note 1)



Supply Voltage, VIN

--------------------------------------------------------------------------------------------------- 0.3V to 40V



Switch Voltage, SW

---------------------------------------------------------------------------------------------------- 0.3V to (VIN + 0.3V)



All Other Pins

------------------------------------------------------------------------------------------------------------ 0.3V to 6V



Power Dissipation, PD @ TA = 25C

SOP-8 (Exposed Pad)

------------------------------------------------------------------------------------------------ 3.26W

SOT-23-6

------------------------------------------------------------------------------------------------------------------ 0.48W

SOT-23-8

------------------------------------------------------------------------------------------------------------------ 0.53W



Package Thermal Resistance

(Note 2)

SOP-8 (Exposed Pad),

JA ----------------------------------------------------------------------------------------- 30.6C/W

SOP-8 (Exposed Pad),

JC ----------------------------------------------------------------------------------------- 3.4C/W

SOT-23-6,

JA ----------------------------------------------------------------------------------------------------------- 208.2C/W

SOT-23-6,

JC ----------------------------------------------------------------------------------------------------------- 32C/W

SOT-23-8,

JA ----------------------------------------------------------------------------------------------------------- 186.2C/W

SOT-23-8,

JC ----------------------------------------------------------------------------------------------------------- 47.4C/W



Lead Temperature (Soldering, 10 sec.)

------------------------------------------------------------------------- 260C



Junction Temperature

------------------------------------------------------------------------------------------------- 150C



Storage Temperature Range

--------------------------------------------------------------------------------------- 65C to 150C



ESD Susceptibility

(Note 3)

HBM (Human Body Model)

----------------------------------------------------------------------------------------- 2kV

MM (Machine Model)

------------------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions

(Note 4)



Input Voltage Range

-------------------------------------------------------------------------------------------------- 4.5V to 36V



Ambient Temperature Range

-------------------------------------------------------------------------------------- 40C to 85C



Junction Temperature Range

-------------------------------------------------------------------------------------- 40C to 125C

Electrical Characteristics

(VIN = 12V, TA = 25C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Current

Active Mode

160

190

A

Sleep Mode

A

Shutdown Mode

VEN = 0V

A

Feedback Comparator Trip Voltage

VFB

VFB Rising

0.792

0.8

0.808

Feedback Comparator Hysteresis

VFBHYS

Feedback Pin Current

IFB

100

100

High-Side Switch On-Resistance

RDS(ON)_H



Low-Side Switch On-Resistance

RDS(ON)_L

1.5



Enable Threshold Voltage

Enable Rising

1.2

1.4

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