RT9018A/B
Absolute Maximum Ratings
(Note 1)
Supply Voltage, V
IN
--------------------------------------------------------------------------------------------------- 1V to 6V
Control Voltage, V
DD
-------------------------------------------------------------------------------------------------- 3V to 6V
Output Voltage, V
OUT
------------------------------------------------------------------------------------------------- 0.8 to 6V
Power Dissipation, P
D
@ T
A
= 25°C
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------------- 1.33W
WDFN-10L 3x3 --------------------------------------------------------------------------------------------------------- 1.67W
Package Thermal Resistance (Note 4)
SOP-8 (Exposed Pad),
θ
JA
------------------------------------------------------------------------------------------ 75°C/W
SOP-8 (Exposed Pad),
θ
JC
----------------------------------------------------------------------------------------- 15°C/W
WDFN-10L 3x3,
θ
JA
--------------------------------------------------------------------------------------------------- 60°C/W
Junction Temperature ------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°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 Voltage, V
IN
--------------------------------------------------------------------------------------------------- 1.4V to 5.5V
Control Voltage, V
DD
-------------------------------------------------------------------------------------------------- 3.6V to 5.5V
Junction Temperature Range ----------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range ----------------------------------------------------------------------------------------
−
40°C to 85°C
Electrical Characteristics
(V
IN
= V
OUT
+ 500mV, V
EN
= V
DD
= 5V, C
IN
= C
OUT
= 10uF, T
A
= T
J
= 25°C, unless otherwise specified)
Parameter
VDD Operation Voltage Range
POR Threshold
POR Hysteresis
Adjustable Pin Threshold
Fixed Output Voltage Range
Line Regulation (V
IN
)
Load Regulation
(Note 7)
Symbol
V
DD
Test Conditions
V
DD
Input Range
Min
3.6
2.4
0.15
Typ
--
2.7
0.2
0.2
0.8
0
0.2
0.2
150
210
0.6
4.5
1.8
0.6
150
Max
5.5
3
--
0.4
0.812
+1.5
0.6
1
250
350
1.2
--
--
--
Units
V
V
V
V
V
%
%
%
mV
mV
mA
A
A
A
V
TH_ADJ
ΔV
OUT
ΔV
LINE_IN
ΔV
LOAD
V
DROP
I
Q
I
LIM
I
OUT
= 1mA
I
OUT
= 1mA
V
IN
= V
OUT
+ 0.5V to 5V,
I
OUT
= 1mA
V
IN
= V
OUT
+ 1V,
I
OUT
= 1mA to 3A
I
OUT
= 2A
I
OUT
= 3A
V
DD
= 5.5V
--
0.788
−1.5
--
--
--
--
--
3.2
Reference Voltage (ADJ Pin Voltage) V
ADJ
Dropout Voltage (Note 5)
Quiescent Current (Note 6)
Current Limit
Short Circuit Current
In-rush Current
V
OUT
Pull Low Resistance
DS9018A/B-04
September 2007
V
OUT
< 0.2V
C
OUT
= 10uF, Enable Start-up
V
EN
= 0V
0.5
--
--
--
Ω
To be continued
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