MGA2805DZSLASHES datasheet(4/8 Pages) INTERPOINT

4 / 8 page

Case

MGA2815S

Input

Common

Positive

Input

Positive

Output

Output Common

To Load

Positive

Input

Common

Positive

Output

Common

From input

power source

EMI Filter

Case

Negative

Output

Common

Positive

Output

Input

Common

Case

Ground

Positive

Input

Inhibit

PWM

Control

Error

Amp

Isolated

Feedback

= Dual Output

MGA SERIES

5 WATT

DC/DC CONVERTERS

B2-84

FIGURE 1: BLOCK DIAGRAM

DIAGRAMS AND CONNECTIONS

FIGURE 3: LOW NOISE OUTPUT FILTER MGA SINGLE OUTPUT MODEL

FIGURE 4: LOW NOISE OUTPUT FILTER MGA DUAL OUTPUT MODEL

The filter suggestions in Figures 3 and 4 will further

reduce the output ripple for systems requiring very low

output noise.

C1 = 0.27 µF ceramic capacitor, 500V

C2 = C4 = 6.8 µF tantalum capacitor

C3 = C5 = 0.27 µF ceramic capacitor

Single output: T1 = 15T #28 AWG winding on toroid,

m = 5000

Dual output: T2 = 10T #28 AWG winding on toroid,

m = 5000

FIGURE 2: INHIBIT INTERFACE

200 pF

3.9 K

10 K

Inhibit

Input

Common

10 k

12 k

5 k

400

50 k

2N3904

10V

MGA

Vcc

Positive

Input

To Loads

Case

MGA2815D

Input

Common

Positive

Input

Positive

Output

Output Common

Positive

Input

Common

Positive

Output

Common

From input

power source

EMI Filter

Case

Negative

Output

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