RT9163
Absolute Maximum Ratings
Input Voltage ------------------------------------------------------------------------------------------------------------ 15V
Power Dissipation, P
D
@ T
A
= 25°C
TO-92 --------------------------------------------------------------------------------------------------------------------- 0.625W
SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.571W
SOT-223 ----------------------------------------------------------------------------------------------------------------- 0.740W
TO-252 ------------------------------------------------------------------------------------------------------------------- 1.471W
Package Thermal Resistance (Note 4)
TO-92,
θ
JA
--------------------------------------------------------------------------------------------------------------- 160°C/W
SOT-89,
θ
JC
------------------------------------------------------------------------------------------------------------- 48°C/W
SOT-89,
θ
JA
------------------------------------------------------------------------------------------------------------- 175°C/W
SOT-223,
θ
JC
----------------------------------------------------------------------------------------------------------- 19°C/W
SOT-223,
θ
JA
------------------------------------------------------------------------------------------------------------ 135°C/W
TO-252,
θ
JC
------------------------------------------------------------------------------------------------------------- 7.5°C/W
TO-252,
θ
JA
-------------------------------------------------------------------------------------------------------------- 68°C/W
Operating Junction Temperature Range --------------------------------------------------------------------------
−
40°C to 125°C
Storage Temperature Range ----------------------------------------------------------------------------------------
−
65°C to 150°C
Electrical Characteristics
(V
IN
= 5V, T
A
= 25°C, unless otherwise specified)
Parameter
RT9163-33
Output Voltage
(Note 1)
RT9163-35
RT9163-50
Line Regulation
(Note 1)
Load Regulation
Dropout Voltage
Current Limit
Quiescent Current
Temperature Coefficient
Temperature Stability
RMS Output Noise
(Note 3)
RT9163-33
RT9163-35
RT9163-50
(Note 1)
(Note 2)
Symbol
Test Conditions
Min
3.235
Typ
3.300
3.500
5.000
0.1
0.1
0.2
1.3
--
4.5
0.005
0.5
0.003
Max
3.365
3.570
5.100
0.4
0.4
0.4
1.4
--
8
--
--
--
Units
V
OUT
V
IN
= 7V
ΔV
LINE
ΔV
LOAD
V
DROP
I
LIM
I
Q
T
C
T
S
V
IN
= 5V ~ 15V
V
IN
= 7V ~ 15V
I
L
= 0 ~ 500mA
ΔV
OUT
= 1%
Load = 1Ω
3.430
4.900
--
--
--
--
550
--
--
--
--
V
%
%
V
mA
mA
%/°C
%
%/V
OUT
Note 1.
Low duty cycle pulse tested with Kelvin connections.
Note 2.
The dropout voltage is defined as V
IN
-V
OUT
, which is measured when V
OUT
is V
OUT(NORMAL)
−
100mV.
Note 3.
Bandwidth of 10 Hz to 10 kHz.
Note 4.
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. The case point of
θ
JC
is on the center of the exposed pad.
DS9163-24 March 2007
www.richtek.com
3
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
