100mA DC/DC Converter With KeepAlive™ Output
Advance
Pin Description ILC6301
Pin Number
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Pin Name
VDD
VSS
VOUT MAIN
VOUT KeepAlive
On/Off
Select
Flag
LX
Pin Description
Input voltage. i.e. Battery. Positive Relative to VSS
Common, Ground
Main output voltage. Output bypass capacitor connection
KA output voltage. Output bypass capacitor connection
Digital input activates device. 1 = ON, 0 = OFF
Can be tied to VDD
Digital input, mode select. 1= Normal, 0 = KeepAlive
Digital Output. Indicates low battery status
Connection for inductor. (inductor returns to VDD)
Can be tied to VDD
Functional Block Diagram
LX
VDD
VSS
ON/OFF
SEL
OSC
Phase
Control
V-REG
Input
Control
Vref
Mode
Switcher_ON
KA_ON
Thermal
Driver-
Control
SWITCHER
Driver-
Control
KEEP ALIVE
SW_OUT
KA_OUT
FLAG
Impala Linear Corporation
ILC6301 1.1
(408) 574-3939 www.impalalinear.com
Feb 2001 2