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RT9198_08 Datasheet, PDF (2/18 Pages) Richtek Technology Corporation – 300mA, Low Noise, Ultra-Fast CMOS LDO Regulator
RT9198/A
Pin Configurations
(TOP VIEW)
VIN 1 5 VOUT
GND 2
EN/EN 3 4 NC
TSOT-23-5/SOT-23-5/
SC-70-5 (R-Type)
EN/EN 1 5 VIN
NC 2
GND 3 4 VOUT
TSOT-23-5/SOT-23-5/
SC-70-5
EN/EN 1 5 NC
GND 2
VIN 3 4 VOUT
TSOT-23-5/
SOT-23-5(G-Type)
VIN
3
1
2
GND
VOUT
TSOT-23-3/
SOT-23-3
EN/EN 1
GND 2
VIN 3
6 NC
5 NC
7 4 VOUT
WDFN-6L 2x2
NC
NC
GND
VIN
8
2
7
3
6
4
5
MSOP-8
EN/EN
NC
NC
VOUT
VIN
VOUT
4
3
1
2
EN/EN GND
SC-82
Note : There is no pin1 indicator on top mark for SC-82 type, and pin 1 will be lower left pin when reading top mark from left to
right. Pin2 of SC-82 is wider than other pins.
Typical Application Circuit
VIN CIN
1uF
Chip Enable
On
Off
RT9198
VIN VOUT
EN GND
VOUT
COUT
1uF
VIN CIN
1uF
Chip Enable
Off
On
RT9198A
VIN VOUT
EN GND
VOUT
COUT
1uF
www.richtek.com
2
DS9198/A-12 May 2008