RT9259 Просмотр технического описания (PDF) - Richtek Technology

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RT9259

12V Synchronous Buck PWM DC-DC and Linear Power Controller

Richtek Technology 

RT9259

Absolute Maximum Ratings (Note 1)

z Supply Voltage, VCC -------------------------------------------------------------------------------------- 15V

z PHASE to GND

DC ------------------------------------------------------------------------------------------------------------- −5V to 15V

< 200ns ------------------------------------------------------------------------------------------------------ −10V to 30V

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

z BOOT to GND

DC ------------------------------------------------------------------------------------------------------------- −0.3V to VCC+15V

< 200ns ------------------------------------------------------------------------------------------------------ −0.3V to 42V

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

z LGATE ------------------------------------------------------------------------------------------------------- GND − 0.3V to VCC + 0.3V

z DRV ---------------------------------------------------------------------------------------------------------- GND − 0.3V to VCC + 0.3V

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

z Power Dissipation, PD @ TA = 25°C

SOP-14 ------------------------------------------------------------------------------------------------------ 1.000W

SSOP-16 ---------------------------------------------------------------------------------------------------- 0.909W

VQFN-16L 4x4 --------------------------------------------------------------------------------------------- 1.852W

z Package Thermal Resistance (Note 4)

SOP-14, θJA ------------------------------------------------------------------------------------------------- 100°C/W

SSOP-16, θJA ----------------------------------------------------------------------------------------------- 110°C/W

VQFN-16L 4x4, θJA ---------------------------------------------------------------------------------------- 54°C/W

z Junction Temperature ------------------------------------------------------------------------------------- 150°C

z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------- 260°C

z Storage Temperature Range ---------------------------------------------------------------------------- −40°C to 150°C

z ESD Susceptibility (Note 2)

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

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

Recommended Operating Conditions (Note 3)

z Supply Voltage, VCC -------------------------------------------------------------------------------------- 12V ± 10%

z Junction Temperature Range ---------------------------------------------------------------------------- −40°C to 125°C

z Ambient Temperature Range ---------------------------------------------------------------------------- −40°C to 85°C

Electrical Characteristics

(VCC = 12V, TA = 25°C unless otherwise specified)

Parameter

Symbol

Supply Input

Power Supply Voltage

VCC

Power On Reset

VVCCRTH

Power On Reset Hysteresis

VVCCHYS

Power Supply Current

IVCC

Test Conditions

VCC Rising

UGATE, LGATE Open

Min Typ Max Units

--

12 15

V

8.8 9.6 10.4 V

0.4 0.78 1.2

V

--

3

-- mA

To be continued

www.richtek.com

4

DS9259-03T00 August 2007

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