MAX1832(2003) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX1832
(Rev.:2003)

High-Efficiency Step-Up Converters with Reverse Battery Protection

Maxim Integrated 

High-Efficiency Step-Up Converters with

Reverse Battery Protection in a SOT23-6

Typical Operating Characteristics (continued)

(VOUT = +3.3V, VBATT= +2V, unless otherwise noted.) (Figure 1)

ON/OFF RESPONSE

MAX1832/35 toc10

LOAD TRANSIENT

MAX1832/35 toc11

VBATT

1V/div

VOUT

100mV/div

VOUT

1V/div

2ms/div

VSHDN = VBATT = 2.0V, RLOAD = 22Ω,

VOUT = 3.3V

LINE TRANSIENT

MAX1832/35 toc12

ILOAD

100mA/div

0

40µs/div

RLOAD = 22Ω TO 200Ω,

VOUT = +3.3V, VBATT = +2.0V

SHUTDOWN RESPONSE

MAX1832/35 toc13

40µs/div

IOUT = 100mA, VOUT = +3.3V,

VBATT = +2.0V TO +2.5V

VBATT

500mV/div

VOUT

50mV/div

VSHDN

1V/div

0

VOUT

1V/div

0

MAX1833

40µs/div

RLOAD = 22Ω, VBATT = 3.3V, VBATT = 2.0V

SWITCHING WAVEFORMS

MAX1832/35 toc14

VLX

500mA/div

VOUT

100mV/div

VLX

2V/div

10µs/div

IOUT = 40mA, VOUT = +3.3V, VBATT = +2.0V

_______________________________________________________________________________________ 5

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