RT9198/A
Absolute Maximum Ratings
Power Dissipation, P
D
@ T
A
= 25°C
TSOT-23-3/TSOT-23-5/SOT-23-3/SOT-23-5 ------------------------------------------------------------------------- 400mW
SC-70-5, SC-82 ------------------------------------------------------------------------------------------------------------ 300mW
MSOP-8 --------------------------------------------------------------------------------------------------------------------- 625mW
WDFN-6L 2x2 -------------------------------------------------------------------------------------------------------------- 606mW
Package Thermal Resistance (Note 4)
TSOT-23-3/TSOT-23-5/SOT-23-3/SOT-23-5,
θ
JA
-------------------------------------------------------------------- 250°C/W
SC-70-5, SC-82,
θ
JA
------------------------------------------------------------------------------------------------------ 333°C/W
MSOP-8,
θ
JA
---------------------------------------------------------------------------------------------------------------- 160°C/W
WDFN-6L 2x2,
θ
JA
--------------------------------------------------------------------------------------------------------- 165°C/W
WDFN-6L 2x2,
θ
JC
-------------------------------------------------------------------------------------------------------- 20°C/W
Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
Storage Temperature Range --------------------------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
(Note 1)
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6V
Recommended Operating Conditions
(Note 3)
2.5V to 5.5V
0V to 5.5V
−40°C
to 125°C
−40°C
to 85°C
Supply Input Voltage ------------------------------------------------------------------------------------------------------
EN Input Voltage -----------------------------------------------------------------------------------------------------------
Junction Temperature Range --------------------------------------------------------------------------------------------
Ambient Temperature Range --------------------------------------------------------------------------------------------
Electrical Characteristics
(V
IN
= V
OUT
+ 1V, C
IN
= C
OUT
= 1μF, T
A
= 25°C, unless otherwise specified)
Parameter
Output Voltage Accuracy
Current Limit
Quiescent Current
Dropout Voltage (Note 5)
Line Regulation
Load Regulation
Shutdown Current
EN Input Bias Current
Symbol
ΔV
OUT
I
LIM
I
Q
V
DROP
ΔV
LINE
ΔV
LOAD
I
SHDN
I
IBEN
Test Conditions
I
OUT
= 1mA
R
LOAD
= 1Ω
RT9198, V
EN
≧
1.2V, I
OUT
= 0mA
RT9198A, V
EN
≦
0.4V, I
OUT
= 0mA
I
OUT
= 200mA
I
OUT
= 300mA
V
IN
= (V
OUT
+ 1V) to 5.5V,
I
OUT
= 1mA
1mA < I
OUT
< 300mA
RT9198, V
EN
= GND, Shutdown
RT9198A, V
EN
= V
IN
, Shutdown
V
EN
= GND or V
IN
Min
−2
360
--
--
--
--
--
--
--
Typ
--
400
90
170
220
--
--
0.01
0
Max
+2
--
130
200
330
0.3
0.6
1
100
Units
%
mA
μA
mV
%
%
μA
nA
To be continued
www.richtek.com
4
DS9198/A-12 May 2008
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
