RT9178
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage ------------------------------------------------------------------------------------------------- 7V
Enable Input Voltage ------------------------------------------------------------------------------------------------- 7V
Power Dissipation, P
D
@ T
A
= 25°C
SOT-23-5 ---------------------------------------------------------------------------------------------------------------
0.4W
Package Thermal Resistance (Note 8)
SOT-23-5,
θ
JA
---------------------------------------------------------------------------------------------------------- 250°C/W
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------- 260°C
Junction Temperature ------------------------------------------------------------------------------------------------ 150°C
Storage Temperature Range ----------------------------------------------------------------------------------------
−
65°C to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions
(Note 3)
Supply Input Voltage ------------------------------------------------------------------------------------------------- 2.5V to 6V
Enable Input Voltage ------------------------------------------------------------------------------------------------- 0V to 6V
Junction Temperature Range ---------------------------------------------------------------------------------------
−
40°C to 125°C
Electrical Characteristics
(V
IN
= V
OUT
+ 1V, C
IN
=C
OUT
= 1μF, C
BP
= 1nF, T
A
= 25°C unless otherwise specified)
Parameter
Output Voltage Accuracy
Current Limit
Quiescent Current
Dropout Voltage
Line Regulation
Load Regulation
Standby Current
(Note 5)
(Note 7)
Logic-Low Voltage
(Note 6)
(Note 4)
Symbol
ΔV
OUT
I
LIM
I
Q
V
DROP
ΔV
LINE
Test Conditions
I
OUT
= 1mA
R
LOAD
= 1Ω
V
EN
>
1.0V, I
OUT
= 0mA
I
OUT
= 200mA
V
IN
= (V
OUT
+ 0.3V) to 6.0V,
I
OUT
= 1mA
Min
−2
--
--
--
--
--
--
--
--
1.0
--
--
--
--
Typ
--
400
90
200
--
7
0.01
0
--
--
50
−70
−40
150
Max
+2
--
150
300
6
20
1
100
0.4
--
--
--
--
--
Units
%
mA
μA
mV
mV/V
mV
μA
nA
V
μV
RMS
dB
°C
ΔV
LOAD
1mA
<
I
OUT
<
200mA
I
STBY
I
IBSD
V
IL
V
EN
= GND, Shutdown
V
EN
= GND or VIN
V
IN
= 3V to 5.5V, Shutdown
V
IN
= 3V to 5.5V, Start-Up
10Hz to 100kHz, I
OUT
= 200mA
C
OUT
= 10μF
C
OUT
= 10μF, I
OUT
= 200mA
EN Input Bias Current
EN Threshold
Logic-High Voltage V
IH
e
NO
f = 100Hz
f = 10kHz
PSRR
T
SD
Output Noise Voltage
Power Supply
Rejection Rate
Thermal Shutdown Temperature
DS9178-16 April 2008
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RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
