RT9030
Typical Application Circuit
VIN
VIN
VOUT
CIN
1µF/X7R
RT9030
Chip Enable
EN
NC
GND
VOUT
COUT
1µF/X7R
Functional Pin Description
Pin Number
SC -7 0-5
WDFN-6 L
1. 6x1. 6
5
4
Pin Name
VOUT Regulator Output.
Pin Function
4
2, 5
NC
No Internal Connection.
6,
2 7 (Exposed Pad) GND
3
1
EN
Ground. The exposed pad must be soldered to a large PCB and
connected to GND for maximum power dissipation.
Enable Input Logic, Active High. When the EN pin is open it will be pulled
to low internally.
1
3
VIN
Supply Input.
Function Block Diagram
POR
EN
OTP
VREF
1µA
-
+
Current
Limit
MOS
Driver
VIN
VOUT
GND
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2
is a registered trademark of Richtek Technology Corporation.
DS9030-04 December 2013