ACT6311
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Circuit of Figure 1, unless otherwise specified.)
Rev 3, 22-Feb-11
Switching Waveform in Discontinuous Mode
ACT6311-0007
Startup without Soft Start Circuit
ACT6311-0008
SW
5V/DIV
Inductor
Current
100mA/DIV
VOUT
200mV/DIV
Inductor
Current
200mA/DIV
VOUT
5V/DIV
V
IN
= 3V
No load
1µs/DIV
V
IN
= 3.6V
I
LOAD
= 20MA
20µs/DIV
SHDN
Startup with Soft Start Circuit
ACT6311-0009
Load Step Response
ACT6311-0010
V
IN
= 3.6V
V
OUT
= 13.6V
VOUT
1V/DIV
Inductor
Current
50mA/DIV
VOUT
5V/DIV
V
IN
= 3.6V
I
LOAD
= 20mA
Test Circuit Figure 8
4ms/DIV
20mA
Load Step
2mA
SHDN
100µs/DIV
Line Step Response
ACT6311-0011
V
OUT
= 13.6V
I
OUT
= 10mA
VOUT
500mV/DIV
5.5V
VIN
3V
100µs/DIV
Innovative Power
TM
-9-
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
