RT9161A-18GX Richtek USA Inc, RT9161A-18GX Datasheet - Page 4

• Manufacturer Part Number: RT9161A-18GX
• Description: IC REG LDO 1.8V 500MA SOT89
• Manufacturer: Richtek USA Inc

Specifications of RT9161A-18GX

• 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-243AA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT9161/A
Typical Operating Characteristics
www.richtek.com
4
3.4
3.2
2.8
2.6
2.4
0.8
0.6
0.4
0.2
-100
-200
100
1
0
3
-50
7
6
5
4
0
0
2 >
1 >
≈
C
I
OUT
OUT
-25
= 0.1A
Dropout Voltage (V
100
Line Transient Response
= 10μF Electrolytic
Temperature Stability
0
T
T
T
Temperature
Time (100μs/Div)
Time (100μS/Div)
200
25
I
Load
(mA)
50
300
(°C)
IN
-V
75
V
T
OUT
A
V
OUT
V
V
125°C
OUT
OUT
OUT
400
= 25°C
)
100
= 3.3V
= 3.3V
= 3.3V
= 2.5V
25°C
125
500
≈
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
1.4
1.2
0.8
0.6
0.4
0.2
-100
-200
100
1
0
-30
7
6
5
4
0
0
2 >
1 >
≈
Quiescient Current vs. Temperature
C
I
OUT
OUT
= 0.1A
Line Transient Response
= 10μF Electrolytic
0
2
Input/Output Differential (V)
Short Circuit Current
T
T
T
Temperature
Time (100μs/Div)
Time (100μS/Div)
30
4
DS9161/A-34 April 2010
60
125°C
6
(°C)
25°C
V
T
A
OUT
90
= 25°C
8
V
= 2.5V
IN
= 5V
120
≈
10