Rainbow-electronics MAX17083 Bedienungsanleitung PDF herunterladen (Seite 4)

EFFICIENCY vs. LOAD CURRENT

= 5V, 1MHz)

MAX17083 toc01

LOAD CURRENT (A)

EFFICIENCY (%)

0.01 0.1 1

100

0.001 10

OUT

= 0.75V

OUT

= 1.8V

OUT

= 1.5V

OUT

= 1.1V

EFFICIENCY vs. LOAD CURRENT

= 3.3V, 1MHz)

MAX17083 toc02

LOAD CURRENT (A)

EFFICIENCY (%)

0.01 0.1 1

100

0.001 10

OUT

= 0.75V

OUT

= 1.8V

OUT

= 1.5V

OUT

= 1.1V

EFFICIENCY vs. LOAD CURRENT

= 5V, 750kHz)

MAX17083 toc03

LOAD CURRENT (A)

EFFICIENCY (%)

0.01 0.1 1

100

0.001 10

OUT

= 0.75V

OUT

= 1.8V

OUT

= 1.5V

OUT

= 1.1V

Typical Operating Characteristics

(Circuit of Figure 1, V

= 5V, V

OUT

= 1.1V, FREQ = open. T

= +25°C, unless otherwise noted.)

MAX17083

Low-Voltage, Internal Switch,

Step-Down Regulator

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, V

= V

FREQ

= V

= 5V, I

REF

= no load, T

= -40°C to +85°C, unless otherwise noted. Typical values are

at T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN MAX UNITS

Shutdown Supply Current EN = GND, measured at V

, T

= +25°C 10 μA

Supply Current

Regulator Enabled

Does not include switching losses, measured

from V

120 μA

REFERENCE

Reference Output Voltage V

REF

No load 1.145 1.265 V

INTERNAL 5A STEP-DOWN CONVERTER

LX Peak Current Limit 4.35 8 A

Note 3: Limits are 100% production tested at T

= +25°C. Maximum and minimum limits are guaranteed by design and

characterization.

1 2 3 4 5 6 7 8 9 ... 14 15

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