RT9198/A
2
DS9198/A-10 November 2006
www.richtek.com
Typical Application Circuit
Pin Configurations
(TOP VIEW)
VIN
GND
VOUT
RT9198
C
OUT
1uF
C
IN
1uF
V
IN
V
OUT
EN
Chip Enable
On
Off
VIN
GND
VOUT
RT9198A
C
OUT
1uF
C
IN
1uF
V
IN
V
OUT
Chip Enable
Off
On
EN
SOT-23-5
/SC-70-5 (R-Type)
VIN
GND
NC
VOUT
2
3
5
4
1
EN/EN
SOT-23-5
/SC-70-5
NC
VOUT
VIN
GND
2
3
5
4
1
EN/EN
WDFN-6L 2x2
GND
VIN
NC
NC
VOUT
5
4
1
2
3
6
EN/EN
G
Note
: There is no pin1 indicator on top mark fo
r 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.
SOT-23-3
1
2
3
GND
VOUT
VIN
SC-82
GND
VIN
VOUT
4
1
3
2
EN/EN