Rainbow-electronics MAX1802 Bedienungsanleitung PDF herunterladen (Seite 11)

MAX1802

Digital Camera Step-Down

Power Supply

______________________________________________________________________________________ 11

Typical Operating Characteristics (continued)

(Circuit of Figure 1, V

VDDM

= 6V, V

VDDC

= 3.3V, V

ONM

= 3V, V

ONC

= V

ON1

= V

DCON2

= V

DCON3

= 0, T

= +25°C, unless otherwise

noted.)

1ms/div

STARTUP SEQUENCE

MAX1802 toc15

ONM

5V/div

MAIN

2V/div

CORE

2V/div

400

s/div

MAIN OUTPUT

LOAD-TRANSIENT RESPONSE

MAX1802 toc16

OUT

AC-COUPLED

100mV/div

LOAD

200mA/div

OUT

= 100

500µs/div

CORE OUTPUT

LOAD-TRANSIENT RESPONSE

MAX1802 toc17

OUT

AC-COUPLED

200mV/div

LOAD

100mA/div

OUT

= 2.5V

400

s/div

AUXILIARY OUTPUT

LOAD-TRANSIENT RESPONSE

MAX1802 toc18

OUT

AC-COUPLED

100mV/div

LOAD

200mA/div

2.5ms/div

MAIN TRANSIENT RESPONSE

SUBJECT TO CORE TRANSIENT

MAX1802 toc19

OUT

(MAIN)

AC-COUPLED

20mV/div

LOAD

(CORE)

100mA/div

OUT

= 2.5V

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

Digital Camera Step-Down 1
Power Supply 1

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