MCP18480_13 Datasheet, PDF(55/64 Page) Microchip Technology

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MCP18480_13 Datasheet, PDF (55/64 Pages) Microchip Technology – -48V Hot Swap Controller

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GND

RPOS

ROV1

4 kï 1.74 Mï

CBYP1 +

2 ÂµF

CBYP2

10 nF

78V

Transorb

ROV2

59 kï

Fuse 10A

VNEGA 1

RUV1

453 kï

RUV2

30.9 kï

RUVHYS

280 kï

CUVD

800 nF

RISET

124 kï

24.9 kï

MCP18480

SRS

1 VPOS

2 OVTH

3 UVTH

4 UVHYS

5 UVD

6 VREFOUT

7 VREFIN

8 CL

RESTART 20

ENABLE 19

PWRGOOD 18

OVO 17

DRAINTH 16

VFB 15

GATE 14

SENSE 13

SEN

RPG1

110 kï

5V RPG3

680ï

RPG4

36 kï QPG1

MPSA43

VIN+ VOUT+

RBYPL

51 kï

CBYPL

100 ÂµF

100 V

DC/DC

Converter

QPG2

Module

2N5400

ON/OFF

RPG5

36 kï

QPG3

VIN- VOUT-

RPG6

NTE261

1500ï

9 ISET

10 TIMER

CTIMER

680 nF

RDISCH 12

VNEG 11

RDISCH

1.6 Mï

RPG2

7.5 kï

RSENSE

0.01ï

CG1

RG1

100 nF 10ï

RGD

18 kï

CGD

3.3 nF

NTE2388

RFB2

124 kï

RFB1

1.74 Mï

RDRAIN2

115 kï

RDRAIN1

1.6 Mï

ROVO2

59 kï

ROVO1

1.74 Mï

FIGURE B-2: Typical Operating Circuit for Telcom Applications with Active-Low Power Module - Foldback Current Limit Enabled.

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