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