RT8048
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, V
IN
---------------------------------------------------------------------------------------------- 6.5V
Power Dissipation, P
D
@ T
A
= 25°C
WDFN-6L 2x2 ------------------------------------------------------------------------------------------------------------- 0.833W
Package Thermal Resistance (Note 2)
WDFN-6L 2x2,
θ
JA
------------------------------------------------------------------------------------------------------- 120°C/W
Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------- 260°C
Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
Storage Temperature Range -------------------------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 3)
HBM ------------------------------------------------------------------------------------------------------------------------ 2kV
MM -------------------------------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions
(Note 4)
Supply Input Voltage, V
IN
---------------------------------------------------------------------------------------------- 2.5V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range ------------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
IN
= 3.6V, T
A
= 25°C unless otherwise specified)
Parameter
Quiescent Current
Reference Voltage
Under Voltage Lockout Threshold
Shutdown Current
Switching Frequency
EN Input Threshold
Voltage
Symbol
Test Conditions
Min
--
0.588
Typ
81
0.6
2.3
2.1
0.1
3
--
--
140
250
260
1.5
--
--
Max
--
0.612
--
--
1
--
V
IN
0.4
--
--
--
--
1
1
Unit
μA
V
V
μA
MHz
V
°C
mΩ
mΩ
A
%/V
%
I
Q
V
REF
V
UVLO
V
IN
Rising
V
IN
Falling
--
--
--
--
1.5
--
--
I
SHDN
f
OSC
Logic-High V
IH
Logic-Low
V
IL
T
SD
R
PFET
R
NFET
I
LX
= 0.2A
I
LX
= 0.2A
Thermal Shutdown Temperature
Switch On Resistance, High
Switch On Resistance, Low
Peak Current Limit
Output Voltage Line Regulation
Output Voltage Load Regulation
--
--
--
I
LIM
V
IN
= 2.5V to 5.5V
0mA < I
LOAD
< 0.6A
--
--
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DS8048-01 June 2011
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
