RT8026 View Datasheet(PDF) - Richtek Technology
Part Name
Description
Manufacturer
RT8026 Datasheet PDF : 12 Pages
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RT8026
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V
z EN, FB Pin Voltage ------------------------------------------------------------------------------------------------------- −0.3V to VIN
z Power Dissipation, PD @ TA = 25°C
MSOP-10 -------------------------------------------------------------------------------------------------------------------- 833mW
z Package Thermal Resistance (Note 2)
MSOP-10, θJA -------------------------------------------------------------------------------------------------------------- 120°C/W
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
z Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C
z Junction Temperature ----------------------------------------------------------------------------------------------------- 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, 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 = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2μH, CIN = 4.7μF, COUT = 10μF, TA = 25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
Output Voltage Accuracy
FB Input Current
IQ
ISH DN
VREF
VOUT
ΔVOUT
IFB
IOUT = 0mA, VFB = VREF + 5% --
EN = GND
--
For Adjustable Output Voltage 0.588
(Note 6)
1
VIN = VOUT + ΔV to 5.5V
0A < IOUT < 1A (Note 5)
−3
VFB = VIN
−50
50
70
μA
0.1
1
μA
0.6 0.612
V
-- VIN − 0.2V V
--
+3
%
--
50
nA
PMOSFET RON
RDS(ON)_P IOUT = 200mA, VIN = 3.6V
NMOSFET RON
RDS(ON)_N IOUT = 200mA, VIN = 3.6V
P-Channel Current Limit
ILIM _P
VIN = 2.7V to 5.5 V
EN High-Level Input Voltage
VEN_H
VIN = 2.7V to 5.5V
EN Low-Level Input Voltage
VEN_L
VIN = 2.7V to 5.5V
Under Voltage Lock Out threshold UVLO
-- 0.28
--
Ω
-- 0.25
--
Ω
1.2 1.5
--
A
1.5 --
--
V
--
--
0.4
V
-- 1.8
--
V
UVLO Hysteresis
-- 0.1
--
V
Oscillator Frequency
fOSC
Thermal Shutdown Temperature TSD
VIN = 3.6V, IOUT = 100mA
1.2 1.5
-- 160
1.8 MHz
--
°C
Max. Duty Cycle
100 --
--
%
DS8026-02 March 2011
www.richtek.com
3
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