RT9161A-18GV Richtek USA Inc, RT9161A-18GV Datasheet - Page 3

• Manufacturer Part Number: RT9161A-18GV
• Description: IC REG LDO 1.8V 500MA SOT23-3
• Manufacturer: Richtek USA Inc

Specifications of RT9161A-18GV

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 12V
• Voltage - Dropout (typical): 0.75V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA (Max)
• Current - Limit (min): 500mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-236-3, SC-59, SOT-23-3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Absolute Maximum Ratings
DS9161/A-34 April 2010
Electrical Characteristics
(T
Note 1. θ
Note 2. Regulation is measured at constant junction temperature, using pulsed ON time.
Note 3. Current Limit is measured at constant junction temperature, using pulsed ON time.
Note 4. The dropout voltage is defined as V
Output Voltage Accuracy
Output Voltage Temperature
Line Regulation
Load Regulation
Current Limit
(Note 3)
Dropout Voltage
Standby Current
Coefficient
Input Voltage ------------------------------------------------------------------------------------------------------------------ −0.3 to 14V
Operating Junction Temperature Range -------------------------------------------------------------------------------- −40°C to 125°C
Storage Temperature Range ---------------------------------------------------------------------------------------------- −65°C to 150°C
Power Dissipation, P
SOT-23-3 ---------------------------------------------------------------------------------------------------------------------- 0.4W
SOT-89 ------------------------------------------------------------------------------------------------------------------------- 0.571W
SOT-223 ----------------------------------------------------------------------------------------------------------------------- 0.741W
TO-92 --------------------------------------------------------------------------------------------------------------------------- 0.625W
Package Thermal Resistance (Note 1)
SOT-23-3, θ
SOT-23-3, θ
SOT-89, θ
SOT-89, θ
SOT-223, θ
SOT-223, θ
TO-92, θ
TO-92, θ
A
= 25°C, C
JEDEC 51-3 thermal measurement standard.
JA
Parameter
JA
JC
is measured in the natural convection at T
JA
JC
--------------------------------------------------------------------------------------------------------------------- 160°C/W
--------------------------------------------------------------------------------------------------------------------- 125°C/W
JA
JC
IN
JA
JC
------------------------------------------------------------------------------------------------------------------- 175°C/W
------------------------------------------------------------------------------------------------------------------- 100°C/W
------------------------------------------------------------------------------------------------------------------ 135°C/W
= 1μF, C
----------------------------------------------------------------------------------------------------------------- 250°C/W
----------------------------------------------------------------------------------------------------------------- 15°C/W
---------------------------------------------------------------------------------------------------------------- 140°C/W
(Note 4)
RT9161
RT9161A
(Note 2)
D
OUT
@ T
= 10μF, unless otherwise specified.)
A
= 25°C
ΔV
ΔV
ΔV
I
V
I
Symbol
LIM
STANDBY
DROP
OUT
LINE
LOAD
IN
I
I
I
V
I
I
− V
L
L
L
L
L
IN
= 1mA, V
= 1mA to 300/500mA, V
= 300/500mA
= 0, V
= 1mA, V
OUT
= 5V, V
, which is measured when V
A
= 25°C on a low
IN
Test Conditions
= 12V
OUT
IN
IN
= 4.5 to 12V
= 5V
= 0V
effective single layer thermal conductivity test board of
IN
= 5V
OUT
is V
Min
350
500
−2
--
--
--
--
--
OUT(NORMAL)
450/750 600/1000
Typ
580
900
110
50
2
1
--
− 100mV.
RT9161/A
30/50
Max
150
180
www.richtek.com
3
--
--
2
PPM/°C
%V
Unit
mV
mA
mV
μA
%
OUT
3