RT9168/A
Absolute Maximum Ratings
Input Voltage ------------------------------------------------------------------------------------------------------------ 8V
Power Dissipation, P
D
@ T
A
= 25°C
SOT-23-5 ----------------------------------------------------------------------------------------------------------------
0.4W
SOP-8 -------------------------------------------------------------------------------------------------------------------- 0.625W
Package Thermal Resistance (Note1)
SOT-23-5,
θ
JA
----------------------------------------------------------------------------------------------------------- 250°C/W
SOP-8,
θ
JA
-------------------------------------------------------------------------------------------------------------- 160°C/W
Operating Junction Temperature Range --------------------------------------------------------------------------
−
40°C to 125°C
Storage Temperature Range ----------------------------------------------------------------------------------------
−
65°C to 150°C
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
Electrical Characteristics
(V
IN
= 5.0V, C
IN
= 1μF, C
OUT
= 1μF, T
A
= 25°C, unless otherwise specified)
Parameter
Input Voltage Range
Output Voltage Accuracy
Maximum Output
Current
Current Limit
RT9168
RT9168A
RT9168
RT9168A
RT9168/A
GND Pin Current
RT9168
RT9168A
RT9168/A
Dropout Voltage
RT9168/A
(V
OUT
(Nominal)≥3.0V
RT9168/A
Version)
RT9168A
Line Regulation
Load Regulation
RT9168/A
RT9168A
EN, EN Input High Threshold
EN, EN Input Low Threshold
EN, EN Bias Current
Shutdown Supply Current
Thermal Shutdown Temperature
Ripple Rejection
(2)
Symbol
V
IN
ΔV
OUT
I
MAX
Test Conditions
Min
2.9
Typ
--
--
--
--
--
300
700
80
90
90
1.1
55
220
600
--
0.01
0.01
--
--
--
0.01
155
58
Max Units
7
7
+2
--
--
--
--
150
150
150
5
100
300
750
+0.2
0.04
0.04
--
0.4
100
1
--
--
V
V
nA
μA
°C
dB
mV
mV
mV
mV
%/V
%/mA
μA
%
mA
mA
mA
mA
V
I
L
= 50mA
I
L
= 1mA
2.7
-2
200
500
--
I
LIM
R
LOAD
= 1Ω
No Load
--
--
--
--
--
--
--
--
-0.2
--
--
2.2
--
--
I
G
I
OUT
= 200mA
I
OUT
= 500mA
I
OUT
= 1mA
V
DROP
I
OUT
= 50mA
I
OUT
= 200mA
I
OUT
= 500mA
ΔV
LINE
ΔV
LOAD
V
IH
V
IL
I
SD
I
GSD
T
SD
PSRR
V
IN
= (V
OUT
+0.15) to 7V, I
OUT
= 1mA
I
OUT
= 0mA to 200mA
I
OUT
= 0mA to 500mA
V
IN
= 3V to 5.5V
V
IN
= 3V to 5.5V
V
OUT
= 0V
--
--
F = 100Hz, C
BP
= 10nF, C
OUT
= 10μF
--
DS9168/A-15 March 2007
www.richtek.com
3
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
