RT8064 Просмотр технического описания (PDF) - Richtek Technology
Номер в каталоге
Компоненты Описание
производитель
RT8064 Datasheet PDF : 13 Pages
| |||
RT8064
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN --------------------------------------------------------------------------------------- −0.3V to 6V
z LX Pin Switch Voltage -------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
<10ns ---------------------------------------------------------------------------------------------------------------- −5V to 8.5V
z Other I/O Pin Voltages ------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
z LX Pin Switch Current -------------------------------------------------------------------------------------------- 5A
z Power Dissipation, PD @ TA = 25°C
SOP-8 (Exposed Pad) ------------------------------------------------------------------------------------------- 1.333W
WDFN-8L 3x3 ------------------------------------------------------------------------------------------------------ 1.429W
z Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad), θJA -------------------------------------------------------------------------------------- 75°C/W
SOP-8 (Exposed Pad), θJC ------------------------------------------------------------------------------------- 15°C/W
WDFN-8L 3x3, θJA ------------------------------------------------------------------------------------------------- 70°C/W
WDFN-8L 3x3, θJC ------------------------------------------------------------------------------------------------- 8.2°C/W
z Junction Temperature --------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------- 260°C
z Storage Temperature Range ------------------------------------------------------------------------------------ −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model) -------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
z Supply Input Voltage, VIN --------------------------------------------------------------------------------------- 2.7V to 5.5V
z Junction Temperature Range ------------------------------------------------------------------------------------ −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VIN = 3.3V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Feedback Reference Voltage
VREF
0.784 0.8 0.816 V
DC Bias Current
Active , VFB = 0.78V, Not Switching -- 460 --
μA
Shutdown
--
-- 10
Output Voltage Line Regulation
VIN = 2.7V to 5.5V
-- 0.1 -- %/V
Output Voltage Load Regulation
Error Amplifier Trans-conductance gm
0A < ILOAD < 2A
-- 0.25 -- %
-- 400 -- μA/V
Current Sense Trans-resistance
--
0.3 --
Ω
Switching Frequency
ROSC = 330kΩ
Switching
0.8 1 1.2
MHz
0.2 --
2
Logic-High
EN Input Voltage
VIH
Logic-Low VIL
1.6 --
--
V
--
-- 0.4
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
4
is a registered trademark of Richtek Technology Corporation.
DS8064-07 November 2012
Share Link: 