Rainbow Electronics MAX859 - Manual (Page 5)

MAX856–MAX859
3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
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MAX856/MAX857
LINE-TRANSIENT RESPONSE (5V MODE)
2ms/div
V OUT
50mV/div
V IN
3V
2V
MAX856/MAX857
LOAD-TRANSIENT RESPONSE (5V MODE)
50 µ s/div
V OUT
50mV/div
0mA to 100mA
I LOAD
V IN = 2.5V
MAX858/MAX859 LOAD-TRANSIENT RESPONSE
2ms/div
V OUT
50mV/div
0mA to 25mA
I LOAD 0
25
V IN = 2.5V
MAX859 LINE-TRANSIENT RESPONSE
1ms/div
V OUT
50mV/div
1V/div
V IN
3V
2V
MAX858/MAX859 START-UP DELAY (5V MODE)
5ms/div
V OUT
2V/div
5V/div
V SHDN
V IN = 2.5V, I LOAD = 25mA
MAX856 START-UP DELAY (5V MODE)
5ms/div
V OUT
2V/div
5V/div
V SHDN
V IN = 2.5V, I LOAD = 100mA
_____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, T A = +25°C, unless otherwise noted.)