Max1802 digital camera step-down power supply, Typical operating characteristics (continued) – Rainbow Electronics MAX1802 User Manual
Page 11
MAX1802
Digital Camera Step-Down
Power Supply
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
VDDM
= 6V, V
VDDC
= 3.3V, V
ONM
= 3V, V
ONC
= V
ON1
= V
DCON2
= V
DCON3
= 0, T
A
= +25°C, unless otherwise
noted.)
1ms/div
STARTUP SEQUENCE
MAX1802 toc15
0V
0V
0A
V
ONM
5V/div
V
MAIN
2V/div
V
CORE
2V/div
400
µs/div
MAIN OUTPUT
LOAD-TRANSIENT RESPONSE
MAX1802 toc16
V
OUT
AC-COUPLED
100mV/div
I
LOAD
200mA/div
0A
C
OUT
= 100
µF
500
µs/div
CORE OUTPUT
LOAD-TRANSIENT RESPONSE
MAX1802 toc17
V
OUT
AC-COUPLED
200mV/div
I
LOAD
100mA/div
0A
V
OUT
= 2.5V
400
µs/div
AUXILIARY OUTPUT
LOAD-TRANSIENT RESPONSE
MAX1802 toc18
V
OUT
AC-COUPLED
100mV/div
I
LOAD
200mA/div
0A
2.5ms/div
MAIN TRANSIENT RESPONSE
SUBJECT TO CORE TRANSIENT
MAX1802 toc19
V
OUT
(MAIN)
AC-COUPLED
20mV/div
I
LOAD
(CORE)
100mA/div
0A
V
OUT
= 2.5V