RT9214PSP datasheet(4/17 Pages) RICHTEK

4 / 17 page

RT9214

www.richtek.com

DS9214-13

September 2007

Electrical Characteristics

(VCC = 5V/12V, TA = 25

°C, unless otherwise specified)

Absolute Maximum Ratings

(Note 1)

Supply Voltage, VCC -------------------------------------------------------------------------------------- 16V

BOOT, VBOOT - VPHASE------------------------------------------------------------------------------------ 16V

PHASE to GND

DC -------------------------------------------------------------------------------------------------------------

−5V to 15V

< 200ns ------------------------------------------------------------------------------------------------------

−10V to 30V

BOOT to PHASE ------------------------------------------------------------------------------------------ 15V

BOOT to GND

DC -------------------------------------------------------------------------------------------------------------

−0.3V to VCC+15V

< 200ns ------------------------------------------------------------------------------------------------------

−0.3V to 42V

UGATE ------------------------------------------------------------------------------------------------------- VPHASE - 0.3V to VBOOT + 0.3V

LGATE ------------------------------------------------------------------------------------------------------- GND - 0.3V to VVCC + 0.3V

Input, Output or I/O Voltage ----------------------------------------------------------------------------- GND-0.3V to 7V

Power Dissipation, PD @ TA = 25

°C (Note 4)

SOP-8 -------------------------------------------------------------------------------------------------------- 0.625W

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

Package Thermal Resistance

SOP-8,

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

SOP-8 (Exposed Pad),

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

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

°C

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

°C

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

−65°C to 150°C

ESD Susceptibility (Note 2)

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

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

Recommended Operating Conditions

(Note 3)

Supply Voltage, VCC -------------------------------------------------------------------------------------- 5V

± 5%,12V ± 10%

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

−40°C to 125°C

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

−40°C to 85°C

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

VCC Supply Current

Nominal Supply Current

ICC

UGATE and LGATE Open

Power-On Reset

POR Threshold

VCCRTH

VCC Rising

4.1

4.5

Hysteresis

VCCHYS

0.35

0.5

Switcher Reference

Reference Voltage

VREF

VCC = 12V

0.784

0.8

0.816

To be continued

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