Rainbow-electronics MAX1835 Bedienungsanleitung PDF herunterladen (Seite 5)

MAX1832–MAX1835

High-Efficiency Step-Up Converters with

Reverse Battery Protection in a SOT23-6

_______________________________________________________________________________________ 5

2ms/div

ON/OFF RESPONSE

OUT

1V/div

MAX1832/35 toc10

SHDN

= V

BATT

= 2.0V, R

LOAD

= 22Ω,

OUT

= 3.3V

BATT

1V/div

40µs/div

LOAD TRANSIENT

LOAD

100mA/div

MAX1832/35 toc11

LOAD

= 22Ω TO 200Ω,

OUT

= +3.3V, V

BATT

= +2.0V

OUT

100mV/div

40µs/div

LINE TRANSIENT

OUT

50mV/div

MAX1832/35 toc12

OUT

= 100mA, V

OUT

= +3.3V,

BATT

= +2.0V TO +2.5V

BATT

500mV/div

10µs/div

SWITCHING WAVEFORMS

2V/div

MAX1832/35 toc14

OUT

= 40mA, V

OUT

= +3.3V, V

BATT

= +2.0V

500mA/div

OUT

100mV/div

40µs/div

SHUTDOWN RESPONSE

OUT

1V/div

MAX1832/35 toc13

LOAD

= 22Ω, V

BATT

= 3.3V, V

BATT

= 2.0V

SHDN

1V/div

MAX1833

Typical Operating Characteristics (continued)

OUT

= +3.3V, V

BATT

= +2V, unless otherwise noted.) (Figure 1)

1 2 3 4 5 6 7 8 9 10

MAX1832–MAX1835 1

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