RT9170
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage-------------------------------------------------------------------------------------------------- 7V
z Power Dissipation, PD @ TA = 25°C
SOT-23-3 ---------------------------------------------------------------------------------------------------------------- 0.4W
SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W
SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.571W
z Package Thermal Resistance (Note 7)
SOT-23-3, θJA ---------------------------------------------------------------------------------------------------------- 250°C/W
SOT-23-5, θJA ---------------------------------------------------------------------------------------------------------- 250°C/W
SOT-89, θJA ------------------------------------------------------------------------------------------------------------- 175°C/W
z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C
z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
z Supply Input Voltage-------------------------------------------------------------------------------------------------- 2V to 5.5V
z Enable Input Voltage-------------------------------------------------------------------------------------------------- 0V to 5.5V
z Junction Temperature Range---------------------------------------------------------------------------------------- −40°C to 125°C
Electrical Characteristics
(VIN = VOUT + 1V, CIN = COUT = 1μF, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
= 1mA
Min
Typ
Max Units
Output Voltage Accuracy
--
+2
--
%
−2
ΔV
I
OUT
OUT
mA
I
R
= 1Ω
LOAD
Current Limit
300
--
--
LIM
Quiescent Current
Dropout Voltage
(Note 5)
15
--
μA
I
Q
V
EN
≤ 0.6V, I
= 0mA
OUT
mV
V
DROP
I
= 300mA
--
240
--
OUT
V
= (V
+ 0.3V) to 5.5V,
IN
OUT
Line Regulation
0.018 +0.3
%/V
−0.3
ΔV
ΔV
LINE
I
= 1mA
OUT
Load Regulation
Standby Current
(Note 4)
(Note 6)
--
0.01
0.04 %/mA
1mA < I
< 300mA
LOAD
OUT
ISTBY
--
--
2
0.1
--
--
0.6
--
μA
V
V
V
≥ 2V (Shutdown), V = 5.5V
EN
IN
IN
Logic-Low Voltage
Logic-High Voltage
V
V
= 2V to 5.5V, Enable
IL
EN Threshold
V
--
= 2V to 5.5V, Shutdown
IH
IN
Power Supply Rejection
PSRR
--
--
--
dB
−40
150
f = 1kHz, C
= 1μF
OUT
Thermal Shutdown Temperature
--
°C
T
SD
DS9170-11 March 2007
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RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
