Rainbow-electronics MAX17062 Manual do Utilizador descarregar pdf (Página 5)

MAX17062

TFT-LCD Step-Up DC-DC Converter

_______________________________________________________________________________________

SOFT-START

LOAD

= 30Ω)

MAX17062 toc06

2ms/div

INDUCTOR

CURRENT

1A/div

OUT

5V/div

LOAD-TRANSIENT RESPONSE

LOAD

= 50mA TO 550mA)

MAX17062 toc07

100

s/div

L = 2.7

COMP

= 47k

COMP1

= 560pF

INDUCTOR

CURRENT

2A/div

50mA

15V

OUT

500mV/div

AC-COUPLED

OUT

500mA/div

PULSED LOAD-TRANSIENT RESPONSE

LOAD

= 100mA TO 1.1A)

MAX17062 toc08

10μs/div

INDUCTOR

CURRENT

1A/div

0.1A

15V

OUT

200mV/div

AC-COUPLED

OUT

1A/div

L = 2.7μH

COMP

= 47kΩ

COMP1

= 560pF

SWITCHING WAVEFORMS

LOAD

= 600mA)

MAX17062 toc09

1μs/div

INDUCTOR

CURRENT

1A/div

10V/div

Typical Operating Characteristics (continued)

(Circuit of Figure 1. V

= 5V, V

MAIN

= 15V, T

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 ... 13 14

MAX17062 1

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