Preliminary
RT9013
Typical Application Circuit
VIN
EN
VOUT
V
V
OUT
IN
C
C
OUT
1uF
IN
1uF
RT9013
Chip Enable
NC
R
GND
pull_down
100k
Functional Pin Description
Pin Number
Pin Name
Pin Function
RT9013-□□PB
RT9013-□□PQW
RT9013-□□PU5
5
4
4
VOUT
NC
Regulator Output.
5, 6
No Internal Connection.
Common Ground. The exposed pad must be soldered
to a large PCB and connected to GND for maximum
power dissipation.
2
2, Exposed Pad (7) GND
Enable Input Logic, Active High. When the EN goes to
a logic low, the device will be shutdown mode.
3
1
1
3
EN
VIN
Supply Input.
Function Block Diagram
POR
OTP
Current
Limit
EN
VIN
V
REF
-
MOS
Driver
+
VOUT
GND
www.richtek.com
2
DS9013-05 August 2007