RT8004PS Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT8004PS

3A, 4MHz, Synchronous Step-Down Regulator

Richtek Technology 

RT8004

Absolute Maximum Ratings (Note 1)

Supply Input Voltage ---------------------------------------------------------------------------------------------- −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)

Power Dissipation, PD @ TA = 25°C

SOP-16 -------------------------------------------------------------------------------------------------------------- 1.25W

TSSOP-16 ----------------------------------------------------------------------------------------------------------- 2.66W

VQFN-16L 4x4 ----------------------------------------------------------------------------------------------------- 2.315W

Package Thermal Resistance (Note 4)

SOP-16, θJA -------------------------------------------------------------------------------------------------------- 100°C/W

TSSOP-16, θJA ----------------------------------------------------------------------------------------------------- 47°C/W

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

VQFN-16L 4x4, θJC ----------------------------------------------------------------------------------------------- 7°C/W

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

Junction Temperature --------------------------------------------------------------------------------------------- 150°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 Input Voltage ---------------------------------------------------------------------------------------------- 2.65V to 5.5V

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

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

Electrical Characteristics

(VDD = 3.3V, TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Units

Input Voltage Range

VDD

Feedback Voltage

VFB

Feedback Leakage Current

IFB

Input DC Bias Current

Reference Voltage Line Regulation

Output Voltage Load Regulation

2.65 --

5.5

V

(Note 5)

0.784 0.8 0.816 V

--

--

0.4 μA

Active, VFB = 0.78V,

Not switching

180 400 520 μA

Shutdown, VEN < 0.1V (Note 5) --

--

1

μA

VIN = 2.7V to 5.5V (Note 5)

-- 0.04 0.2 %/V

Measured in Servo Loop,

VCOMP = 1.2V to 1.6V

(Note 5)

-- 0.05 +/-0.2 %

Power Good

Power Good Range

-- +/-12.5 +/-15 %

Power Good Pull-Down Resistance

--

-- 120 Ω

To be continued

www.richtek.com

6

DS8004-03 September 2007

Share Link: