RT9181-18PB RICHTEK [Richtek Technology Corporation], RT9181-18PB Datasheet - Page 3
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RT9181-18PB
Manufacturer Part Number
RT9181-18PB
Description
150mA LDO Regulator with PGOOD
Manufacturer
RICHTEK [Richtek Technology Corporation]
Datasheet
1.RT9181-18PB.pdf
(10 pages)
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
DS9181-14 March 2007
Output Voltage Accuracy
Current Limit
Quiescent Current
Line Regulation
Load Regulation
EN Threshold
EN Input Bias Current
Shutdown Current
Power Good Low Threshold
Power Good High Threshold
Power Good Output Logic Low V
Delay Time to Power Good
Power Up Overshoot
Supply Input Voltage, V
Enable Input Voltage -------------------------------------------------------------------------------------------------- 7V
Power Good Output Voltage ---------------------------------------------------------------------------------------- 7V
Power Dissipation, P
SOT-23-5 ----------------------------------------------------------------------------------------------------------------
Package Thermal Resistance (Note 6)
SOT-23-5, θ
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
Storage Temperature Range ----------------------------------------------------------------------------------------
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Supply Input Voltage -------------------------------------------------------------------------------------------------- 3V to 5.5V
Enable Input Voltage -------------------------------------------------------------------------------------------------- 0V to 5.5V
Junction Temperature Range ----------------------------------------------------------------------------------------
IN
= 5V, C
IN
Parameter
= C
JA
----------------------------------------------------------------------------------------------------------- 250°C/W
OUT
Logic-High
Logic-Low
= 1μF, T
(Note 4)
D
(Note 5)
@ T
IN
-------------------------------------------------------------------------------------------- 7V
A
A
= 25°C, unless otherwise specified)
= 25°C
ΔV
I
I
ΔV
ΔV
V
V
V
V
t
V
LIM
Q
D(PGOOD)
Symbol
IL
IH
PGOODL
PGOODH
OL
PGOODL
OUT
LINE
LOAD
(Note 1)
Output reaches % of V
V
See timing diagram
Maximum voltage overshoot allowed on
I
I
R
I
V
I
V
V
EN = GND or V
EN = GND
Output falls % of V
timer (power good)
output during power-up
OUT
OUT
OUT
OUT
IN
IN
IN
IN
LOAD
= 3V to 5.5V, Shutdown
= 3V to 5.5V, Enable
= 3.3V, I
= 3V to 5.5V, I
= 25mA
= 0.1mA, T
= 0mA
= 0.1mA to 150mA
= 1Ω
OL
Test Conditions
(Note 3)
= 2mA, R
IN
A
= 0°C to 70°C (Note 4)
OUT
OUT
OUT
= 0.1mA
(power NOT good)
DSON(max)
, start delay
= 75Ω
−1.5
−0.3
Min
160
2.0
−2
90
85
--
--
--
--
0
0
0
1
0.01
Typ
0.4W
−
−
300
160
1.5
--
--
--
--
--
--
--
--
--
2
1
65°C to 150°C
40°C to 110°C
RT9181
To be continued
www.richtek.com
Max Units
+0.3
0.15
250
100
1.5
0.8
+2
+3
90
--
--
--
--
1
5
mA
ms
μA
nA
μA
%
%
%
%
%
%
V
V
V
3