Rainbow Electronics MAX1797 - Manual (Page 7)

MAX1795/MAX1796/MAX1797
Low Supply Current, Step-Up DC-DC Converters
with True-Shutdown
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Typical Operating Characteristics (continued)
(L = 22µH, C IN = 47µF, C OUT = 47µF, T A = +25 °C, unless otherwise noted.)
20 µs/div
LIGHT-LOAD SWITCHING WAVEFORMS
MAX1795/96/97 toc17
V LX
5V/div
I INDUCTOR
500mA/div
V OUT
(AC-COUPLED)
100mV/div
V BATT = +3.6V
V OUT = +5.0V
I LOAD = 40mA
10 µs/div
LINE-TRANSIENT RESPONSE
MAX1795/96/97 toc18
V BATT
+2.7V TO +3V
V OUT
(AC-COUPLED)
20mV/div
V BATT = +2.7V TO +3V
V OUT = +5.0V
NO LOAD
LOAD-TRANSIENT RESPONSE
MAX1795/96/97 toc19
I OUT
100mA/div
V OUT
100mV/div
40 µs/div
V BATT = +2.4V
V OUT = +3.3V
I LOAD = 0 TO 325mA
STARTUP-SHUTDOWN WAVEFORMS
MAX1795/96/97 toc20
V SHDN
5V/div
I INDUCTOR
500mA/div
V OUT
2V/div
2ms/div
V BATT = +2.4V
V OUT = +5.0V
I LOAD = 200mA