RT8058 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8058 Datasheet PDF : 15 Pages
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Preliminary
RT8058
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage VDD, PVDD ------------------------------------------------------------------------------------ −0.3V to 6V
l LX Pin Switch Voltage -------------------------------------------------------------------------------------------------- −0.3V to 6V
l Other I/O Pin Voltage --------------------------------------------------------------------------------------------------- −0.3V to 6V
l Power Dissipation, PD @ TA = 25°C
WQFN-6L 3x3 ------------------------------------------------------------------------------------------------------------ 1.471W
l Package Thermal Resistance (Note 4)
WQFN-16L 3x3, θJA ----------------------------------------------------------------------------------------------------- 68°C/W
WQFN-16L 3x3, θJC ----------------------------------------------------------------------------------------------------- 7°C/W
l Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------ 260°C
l Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C
l Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
l ESD Susceptibility (Note 2)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
l Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.6V to 5.5V
l Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C
l Ambient Temperature Range ------------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VDD = VPVDD = 3.6V, TA = 25° C, unless otherwise specified)
Parameter
Symbol
Test C onditions
Min
Input Voltage Range
Feedback Voltage
DC Bias Current
(PVDD, VDD total)
VIN
2.6
VFB
Active, No Load
0.58 2
--
Active, Not Switching, VFB = 0.5V --
Shutdown, EN = 0
--
Under voltage Lockout
U VLO
VDD R ising
2.3
Threshold
VDD H ysteresis
--
Oscillator Frequency
f OSC
Switching Frequency
0.75
EN High-Level Input Voltage VEN_H
1.4
EN Low-Level Input Voltage
V EN _L
--
Switch On Resistance, High
R DS(ON)_P IOUT = 200mA
--
Switch On Resistance, Low
R DS(ON)_N IOUT = 200mA
--
Peak Current Limit
I LIM
2.2
Output Voltage Line Regulation
VIN = 2.6V to 5.5V
--
Output Voltage Load Regulation
ILOAD = 0Aà2A
--
Typ
--
0.6
3.4
340
--
2 .43
150
1.0
--
--
142
96
3
0 .05
0 .15
Max
5 .5
0.6 18
--
--
2
2. 55
--
1. 25
--
0 .4
210
160
--
--
--
Units
V
V
mA
µA
µA
V
mV
MHz
V
V
mΩ
mΩ
A
%/V
%/A
DS8058-02 August 2007
www.richtek.com
3
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