Typical operating characteristics (continued) – Rainbow Electronics MAX1567 User Manual
Page 11
MAX1566/MAX1567
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
______________________________________________________________________________________
11
MAIN (STEP-UP MODE) AND STEP-DOWN
STARTUP WAVEFORMS
MAX1566/67 toc19
2ms/div
V
M
(MAIN
AS BOOST)
2V/div
ONSU
=
ONSD
=
ONM
2V/div
V
SU
5V/div
V
SD
1V/div
V
IN
= 3.0V
0V
0V
0V
0V
MAIN (STEP-DOWN MODE) AND STEP-DOWN
STARTUP WAVEFORMS
MAX1566/67 toc20
2ms/div
V
M
2V/div
ONSU
=
ONM =
ONSD
2V/div
V
SU
2V/div
V
SD
2V/div
0V
0V
0V
0V
(MAIN AS STEP-DOWN)
STEP-UP LOAD TRANSIENT RESPONSE
MAX1566/67 toc21
1ms/div
I
SU
200mA/div
V
SU
AC-COUPLED
100mV/div
V
IN
= 3.0V, V
SU
= 5V
0V
0A
MAIN (STEP-UP MODE)
LOAD TRANSIENT RESPONSE
MAX1566/67 toc22
1ms/div
I
M
100mA/div
V
M
AC-COUPLED
100mV/div
(MAIN AS STEP-UP)
V
IN
= 3.0V, V
M
= 3.3V
0V
0A
MAIN (STEP-DOWN MODE)
LOAD TRANSIENT RESPONSE
MAX1566/67 toc23
1ms/div
I
M
200mA/div
V
M
AC-COUPLED
200mV/div
(MAIN AS STEP-DOWN FROM SU)
V
IN
= 3.0V, V
M
= 3.3V
0V
0A
STEP-DOWN TRANSIENT RESPONSE
MAX1566/67 toc24
1ms/div
ISD
100mA/div
V
SD
AC-COUPLED
20mV/div
V
IN
= 3.0V, V
SD
= 1.8V
0V
0A
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)