RT9169 datasheet(2/9 Pages) RICHTEK

2 / 9 page

RT9169/H

DS9169/H-12

March 2007

www.richtek.com

Absolute Maximum Ratings (Note 1)

Input Voltage ------------------------------------------------------------------------------------------------------------ 7V

Power Dissipation, PD @ TA = 25

°C

SOT-23-3 ---------------------------------------------------------------------------------------------------------------- 0.4W

SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W

SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.571W

TO-92 --------------------------------------------------------------------------------------------------------------------- 0.625W

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

°C

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

°C

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

−65°C to 150°C

Package Thermal Resistance (Note 4)

SOT-23-3,

θJA ----------------------------------------------------------------------------------------------------------- 250°C/W

SOT-23-5,

θJA ----------------------------------------------------------------------------------------------------------- 250°C/W

SOT-89,

θJA ------------------------------------------------------------------------------------------------------------- 175°C/W

TO-92,

θJA --------------------------------------------------------------------------------------------------------------- 160°C/W

ESD Susceptibility (Note 2)

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

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

Function Block Diagram

Typical Application Circuit

VIN

GND

VOUT

RT9169

OUT

1uF

OUT

VIN

GND

VOUT

RT9169/H

COUT

1uF

CIN

1uF

VIN

VOUT

EN/EN

RT9169H

Chip Enable

RT9169

Chip Enable

Current

Limit

VIN

VOUT

EN/EN

Recommended Operating Conditions

(Note 3)

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

−40°C to 125°C

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

−40°C to 85°C

Functional Pin Description

Pin Name

Pin Function

VIN

Power Input

VOUT

Output Voltage

GN D

Ground

EN/EN

Chip Enable Control Input

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