MH88600 Просмотр технического описания (PDF) - Mitel Networks

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Компоненты Описание

производитель

MH88600

0.3-15V; 4W; global SLIC. For PABX, intercoms, key systems, central office equipment

Mitel Networks 

Preliminary Information

MH88600

DC Electrical Characteristics †

Parameters

Sym Min. Typ* Max Units

Test Conditions

1

Supply Current

IDD

8.5 12.0 mA

IEE

5.0 10.0 mA

IBat

4.8 mA RLoop=Open Cct,

VBat = -48V

2

Power Consumption

PC

330 mW Standby

755 mW RLoop=1200Ω

1556 mW RLoop=0Ω

VBat=-48V

3

Constant Current

ILoop

18

20

22

mA LCA=-5.4V when RLoop-0Ω

Battery Feed ‡

ILoop

21

25

30

mA LCA=linked to VRef when

RLoop=0Ω

4

Operating Loop

RLoop 2000

Resistance‡

800

1560

600

Ω

VBat =-48V, ILoop=20mA

Ω

VBat =-48V, ILoop=20mA

Ω

VBat =-48V, ILLoop=25mA

Ω

VBat =-48V, ILoop=25mA

5

Off-Hook Detect Threshold SHKth

10

mA

6

GND Button Detect

EGBth

10

mA

Threshold

7

Ring GND Over-Current

Protection

32 41 mA

8 SHK Low Level Output Voltage

VOL

& High Level Output Voltage VOH 2.4

0.4

V No Load

V

9 EGB Sink Current

Source Current

IOL

160

IOH

390

µΑ VOL =0.8V

µΑ VOH =-0.2V

10 RC Low Level Input Voltage

High Level Input Voltage

VIL

VIH

4.0

0.4

V

V

11

High Level Input Current

IIH

1.5

mA VIH = VDD

12 RD Sink Current

IRLY

65

mA

13

Clamp Diode Current

ICD

65 mA

14 VRef Internal Reference

-7.4 -6.7 -6.0

V LCA linked to VRef

* Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.

† DC Electrical Characteristics are over recommended operating conditions unless otherwise stated.

‡ See Figures 3a and 3b.

2-89

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