LT3482 查看數據表（PDF） - Linear Technology

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LT3482

90V Boost DC/DC Converter with APD Current Monitor

Linear Technology 

LT3482

APPLICATIO S I FOR ATIO

In some applications, a long cable or wire is used to connect

the LT3482 to APD. When APD is shorted to GND, APD pin

voltage might ring below ground and damage the internal

circuitry. To prevent damage during short-circuit event, a

20Ω resistor must be added in series with the APD.

Layout Hints

The high speed operation of the LT3842 demands care-

ful attention to board layout. You will not get advertised

performance with careless layout. Figure 3 shows the

recommended component placement.

MON fSET

CTRL

R2

VIN

R1

16 15 14 13

CPL

1

12

APD

2

11

17

CIN

3

10

GND

CMON

4

(OPT)

9

L1

RMON

(OPT)

5678

C2

CFLY

C1

3482 F03

Figure 3. Suggested Layout

3482fa

9

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