Rainbow-electronics MAX833 Manual do Utilizador descarregar pdf (Página 5)

MAX830–MAX833

5V/3.3V/3V/Adjustable-Output, 1A,

Step-Down, PWM, Switch-Mode DC-DC Regulators

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Table 1. MAX830 Maximum Load Current (continuous with

= +55°C/W) vs.

Output Voltage and Ambient Temperature

OUTPUT VOLTAGE

CONTINUOUS LOAD CURRENT

Up to 10V 1A 1A 1A

10V to 15V 1A 1A 0.8A

15V to 20V 1A 0.8A 0.7A

20V to 25V 0.8A 0.7A 0.6A

Table 2. MAX831/MAX832/MAX833 Maximum Load Current (continuous with

= +55°C/W) vs. Ambient Temperature

OUTPUT VOLTAGE

CONTINUOUS LOAD CURRENT

Fixed:

5V, 3.3V or 3V

1A 1A 1A

= +25°C T

= +45°C T

= +70°C

= +25°C T

= +45°C T

= +70°C

100µF

GND

10k

0.047µF

OUT

100µH

MBR350

470µF

OUT

[

]

x 2.21V



INPUT

UP TO 30V



MAX830



STEP-DOWN CONVERTER



Figure 1. MAX830 Typical Operating Circuit

1 2 3 4 5

MAX830–MAX833 1

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