RT8023PQW Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8023PQW Datasheet PDF : 19 Pages
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RT8023
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN1, VIN2 ----------------------------------------------------------------------------- −0.3V to 6V
z Output Pin Voltage ------------------------------------------------------------------------------------------------ −0.3V to (VIN1 + 0.3V)
z PHASE Pin Voltage ---------------------------------------------------------------------------------------------- −0.3V to (VIN2 + 0.3V)
z Other I/O Pin Voltages ------------------------------------------------------------------------------------------- −0.3V to 6V
z Power Dissipation, PD @ TA = 25°C
WQFN-24L 4x4 ---------------------------------------------------------------------------------------------------- 1.923W
z Package Thermal Resistance (Note 2)
WQFN-24L 4x4, θJA ----------------------------------------------------------------------------------------------- 52°C/W
WQFN-24L 4x4, θJC ---------------------------------------------------------------------------------------------- 7°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 Mode) -------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Input Voltage, Converter ------------------------------------------------------------------------------- 2.6V to 5.5V
z Supply Input Voltage, LDOs ------------------------------------------------------------------------------------ 2.4V to 5.5V
z Junction Temperature Range ------------------------------------------------------------------------------------ −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(TA = 25°C, unless otherwise specified)
Parameter
Symbol
Step-down converter
Test Conditions
Input Voltage Range
VIN1
Feedback Voltage
VFB1
Under Voltage Lockout Threshold VUVLO
DC Bias Current
Shutdown Current
ISHDN
VDD1 Rising
VDD1 Hysteresis
Active, VFB = 0.75V,
Not Switching
EN2 = 0
Switch On Resistance, High
RFET_H IPHASE = 0.5A
Switch On Resistance, Low
RFET_L IPHASE = 0.5A
Peak Current Limit
ILIM
Switching Frequency
Output Voltage Line Regulation
VIN1 = 2.6V to 5.5V
Min Typ Max Unit
2.6
--
5.5
V
0.784 -- 0.816 V
2.24 2.36 2.48 V
--
150
--
mV
--
300
--
μA
--
--
2
μA
--
150 270 mΩ
--
90 150 mΩ
1.7 2.3 3.2
A
1
1.2 1.4 MHz
-- 0.01 1 %/V
To be continued
DS8023-03 March 2011
www.richtek.com
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