RT9001
3
DS9001-06 April 2011 www.richtek.com
Electrical Characteristics
Absolute Maximum Ratings
(Note 1)
z Supply Input Voltage -------------------------------------------------------------------------------------------------- 6.5V
z Power Dissipation, P
D
@ T
A
= 25°C
SOT-223 ----------------------------------------------------------------------------------------------------------------- 0.625W
z Package Thermal Resistance (Note 2)
SOT-223, θ
JA
------------------------------------------------------------------------------------------------------------ 160°C/W
z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C
z Storage Temperature Range ---------------------------------------------------------------------------------------- – 65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Input Voltage -------------------------------------------------------------------------------------------------- 2.8V to 5.5V
z Junction Temperature Range ---------------------------------------------------------------------------------------- – 40°C to 125°C
(V
IN
= V
OUT
+ 1V or V
IN
= 2.8V whichever is greater, C
IN
= 1μF, C
OUT
= 1μF, T
A
= 25°C, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Output Voltage Accuracy ΔV
OUT
I
OU T
= 1mA −1 -- 3 %
Current Limit I
LIM
R
LOAD
= 1Ω 600 -- -- mA
Quiescent Current (Note 5) I
Q
I
OU T
= 0mA -- 220 300 μA
Dropout Voltage (Note 6) V
DROP
I
OU T
= 600mA -- 580 -- mV
Line Regulation ΔV
LINE
V
IN
= (V
OUT
+ 0.3V) to 5.5V,
I
OU T
= 1mA
-- 0.2 -- %/V
Load Regulation (Note 7) ΔV
LOAD
1mA < I
OUT
< 600mA -- 30 55 mV
Power Supply Rejection Rate PSRR f = 1kHz, C
OUT
= 1μF -- −55 -- dB
Thermal Shutdown Temperature T
SD
-- 170 -- °C
Thermal Shutdown Hysteresis ΔT
SD
-- 40 -- °C
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. θ
JA
is measured in the natural convection at T
A
= 25°C on a low effective thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
Note 3. Devices are ESD sensitive. Handling precaution recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. Quiescent, or ground current, is the difference between input and output currents. It is defined by I
Q
= I
IN
- I
OUT
under
no load condition (I
OUT
= 0mA). The total current drawn from the supply is the sum of the load current plus the ground
pin current.
Note 6. The dropout voltage is defined as V
IN
− V
OUT
, which is measured when V
OUT
is V
OUT(NORMAL)
− 100mV.
Note 7. Regulation is measured at constant junction temperature by using a 20ms current pulse. Devices are tested for load
regulation in the load range from 1mA to 600mA respectively.
