RT9166-12GX Richtek USA Inc, RT9166-12GX Datasheet - Page 4

• Manufacturer Part Number: RT9166-12GX
• Description: IC REG LDO 1.2V 300MA SOT89
• Manufacturer: Richtek USA Inc

Specifications of RT9166-12GX

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: 2.8 V ~ 5.5 V
• Voltage - Dropout (typical): 0.23V @ 300mA
• Number Of Regulators: 1
• Current - Output: 300mA (Max)
• Current - Limit (min): 300mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TO-243AA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT9166/A
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. Regulation is measured at constant junction temperature by using a 20ms current pulse. Devices are tested for load
Note 6. Quiescent, or ground current, is the difference between input and output currents. It is defined by I
Note 7.The dropout voltage is defined as V
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stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
JEDEC 51-3 thermal measurement standard.
regulation in the load range from 1mA to 300mA and 600mA respectively.
no load condition (I
pin current.
JA
is measured in the natural convection at T
OUT
= 0mA). The total current drawn from the supply is the sum of the load current plus the ground
IN
− V
OUT
, which is measured when V
A
= 25°C on a single layer low effective thermal conductivity test board of
OUT
is V
OUT(NORMAL)
DS9166/A-21 April 2010
− 100mV.
Q
= I
IN
- I
OUT
under