Rainbow-electronics MAX1801 Bedienungsanleitung PDF herunterladen (Seite 5)

MAX1801

Digital Camera Step-Up Slave

DC-DC Controller

_______________________________________________________________________________________ 5

100

0.4 0.60.5 0.7 0.8 0.9 1.0 1.1 1.2

MAXIMUM DUTY CYCLE vs. V

DCON

MAX1801 toc04

DCON

(V)

MAXIMUM DUTY CYCLE (%)

OSC

= 500kHz

100

0 400200 600 800 1000

DEFAULT MAXIMUM DUTY CYCLE

vs. FREQUENCY

MAX1801 toc05

FREQUENCY (kHz)

DEFAULT MAXIMUM DUTY CYCLE (%)

OSC

= 470pF

2.5 3.53.0 4.0 4.5 5.0 5.5

SLEEP-MODE CURRENT

vs. INPUT VOLTAGE

MAX1801toc06

INPUT VOLTAGE (V)

SLEEP-MODE CURRENT (µA)

0.001

0 0.5 1.0 1.5

SHUTDOWN CURRENT

vs. REFERENCE VOLTAGE

0.01

0.1

MAX1801 toc07

REFERENCE VOLTAGE (V)

SHUTDOWN CURRENT (µA)

3.20

3.30

3.25

3.35

3.40

-40 0-20 20 40 60 80

REFERENCE INPUT CURRENT

vs. TEMPERATURE

MAX1801 toc08

TEMPERATURE (°C)

REFERENCE CURRENT (µA)

1 100 100010 10,000

FB TO COMP SMALL-SIGNAL OPEN-LOOP

FREQUENCY RESPONSE

MAX1801 toc09

FREQUENCY (kHz)

SMALL-SIGNAL RESPONSE (dB)

Typical Operating Characteristics (continued)

(Circuit of Figure 1, T

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 ... 15 16

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