Typical operating characteristics (continued) – Rainbow Electronics MAX1729 User Manual
Page 5
Advertising
MAX1729
ECB and LCD Display Bias Supply with Accurate
Output Voltage and Temperature Compensation
_______________________________________________________________________________________
5
5ms/div
DELAY TO SHUTDOWN
V
CTLIN
5V/div
V
REF
1V/div
V
TC
1V/div
V
OUT
10V/div
MAX1729 toc 09b
V
IN
= 5V
I
O
= 0.5mA
2
µ
s/div
SWITCHING WAVEFORMS
HEAVY LOAD
I
L
20mA/div
OUTPUT
RIPPLE
10mV/div
V
LX
5V/div
MAX1729 toc 10
2
µ
s/div
SWITCHING WAVEFORMS
MEDIUM LOAD
I
L
20mA/div
OUTPUT
RIPPLE
10mV/div
V
LX
5V/div
MAX1729 toc 11
Typical Operating Characteristics (continued)
(Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
1ms/div
LOAD-TRANSIENT RESPONSE
V
OUT
20mV/div
I
OUT
250
µ
A/div
20
µ
A
500
µ
A
16.400
16.404
MAX1729 toc 13
2ms/div
LINE-TRANSIENT RESPONSE
V
OUT
20mV/div
V
IN
1V/div
4V
5V
MAX1729 toc 14
CTLIN = IN
I
OUT
= 0.5mA
Advertising