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L75755-C, L7581, L7581AAE

L75755-C, L7581, L7581AAE Selling Leads, Datasheet

MFG:DIALOG  Package Cooled:TSSOP  D/C:09+

L75755-C, L7581, L7581AAE Picture

L75755-C, L7581, L7581AAE Datasheet download

Five Points

Part Number: L75755-C

 

MFG: DIALOG

Package Cooled: TSSOP

D/C: 09+

 

 

 
 
 
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  • L7551AP

  • Vendor: NS Pack: PLCC D/C: 05+& Qty: 1230 Note: new and unuse&original,in stock  Adddate: 2024-11-24
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  • KFD (INTERNATIONAL)TRADING COMPANY   China
    Contact: Mr.PENGAlex   MSN:pengzefeng@hotmail.com
    Tel: 86-755-83209997//61309211
    Fax: 86-755-83207776
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  • L7551AP

  • Vendor: lucent Pack: PLCC D/C: 05+& Qty: 200 Note: .  Adddate: 2024-11-24
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  • Wahkitsing (HK) Trading Co.   China
    Contact: Ms.sharonyang   MSN:sharon_wks@hotmail.com
    Tel: 86-755-83249696
    Fax: 86-755-83298768
    (31)
  • L7553AP

  • Vendor: lucent Pack: PLCC D/C: 10+& Qty: 67000 Note: Spot yourself Mobile:0086 15920062623  Adddate: 2024-11-24
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  • HuaHao electronic Co., LTD   China
    Contact: Mr. lv MR   MSN:huahao8@live.cn
    Tel: 86+-1592-0062623
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    (131)
  • L7554AP

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  • KFD (INTERNATIONAL)TRADING COMPANY   China
    Contact: Mr.PENGAlex   MSN:pengzefeng@hotmail.com
    Tel: 86-755-83209997//61309211
    Fax: 86-755-83207776
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About L7551-21

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Datasheet: L7551-21

File Size: 114909 KB

Manufacturer: HAMAMATSU [Hamamatsu Corporation]

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L7581 Suppliers

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  • L7581AAE

  • Pack: SMD Qty: 1827  Adddate: 2024-11-24
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  • Fuben Electronics   China
    Contact: Mr.Chen   MSN:summer_fuben@hotmail.com
    Tel: 86-754-84470684
    Fax: 86-754-84495684
    (39)
  • L7581AAE

  • Vendor: lucent Pack: SOP D/C: 05+& Qty: 2500 Note: Absolutey new&original stock  Adddate: 2024-11-24
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  • E-TECH TECHNOLOGY (ASIA) CO.,LTD.   China
    Contact: Mr.ChenMarvin   MSN:etechasia@hotmail.com
    Tel: 0086-0755-83678281
    Fax: 0086-0755-83013662
    (5)
  • L7581AAE

  • Vendor: lucent D/C: 07+&   Adddate: 2024-11-24
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  • TEAM SOURCE (HK) LIMITED   China
    Contact: Ms.edithchen   MSN:EDITH_CHEN@126.COM
    Tel: 86-755-33060402 33062656
    Fax: 86-755-33062657
    (0)

About L7581

PDF/DataSheet Download

Datasheet: L7581

File Size: 314561 KB

Manufacturer: AGERE [Agere Systems]

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L7581AAE Suppliers

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  • L7581AAE

  • Pack: SMD Qty: 1827  Adddate: 2024-11-24
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  • Fuben Electronics   China
    Contact: Mr.Chen   MSN:summer_fuben@hotmail.com
    Tel: 86-754-84470684
    Fax: 86-754-84495684
    (39)
  • L7581AAE

  • Vendor: lucent Pack: SOP D/C: 05+& Qty: 2500 Note: Absolutey new&original stock  Adddate: 2024-11-24
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  • E-TECH TECHNOLOGY (ASIA) CO.,LTD.   China
    Contact: Mr.ChenMarvin   MSN:etechasia@hotmail.com
    Tel: 0086-0755-83678281
    Fax: 0086-0755-83013662
    (5)
  • L7581AAE

  • Vendor: lucent D/C: 07+&   Adddate: 2024-11-24
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  • TEAM SOURCE (HK) LIMITED   China
    Contact: Ms.edithchen   MSN:EDITH_CHEN@126.COM
    Tel: 86-755-33060402 33062656
    Fax: 86-755-33062657
    (0)
  • L7551AP

  • Vendor: NS Pack: PLCC D/C: 05+& Qty: 1230 Note: new and unuse&original,in stock  Adddate: 2024-11-24
  • Inquire Now
  • KFD (INTERNATIONAL)TRADING COMPANY   China
    Contact: Mr.PENGAlex   MSN:pengzefeng@hotmail.com
    Tel: 86-755-83209997//61309211
    Fax: 86-755-83207776
    (0)
  • L7551AP

  • Vendor: lucent Pack: PLCC D/C: 05+& Qty: 200 Note: .  Adddate: 2024-11-24
  • Inquire Now
  • Wahkitsing (HK) Trading Co.   China
    Contact: Ms.sharonyang   MSN:sharon_wks@hotmail.com
    Tel: 86-755-83249696
    Fax: 86-755-83298768
    (31)

About L7551-21

PDF/DataSheet Download

Datasheet: L7551-21

File Size: 114909 KB

Manufacturer: HAMAMATSU [Hamamatsu Corporation]

Download : Click here to Download

Related PDF Download

Related Part Number

L7581 General Description

The L7581 Ringing Access Switch is a monolithic solid-state device that provides the switching func-tionality of a 2 form C switch.

The L7581 is designed to provide power ringing access to tip and ring in central office, digital loop carrier, private branch exchange, digitally added main line, and hybrid fiber coax/fiber-in-the-loop ana-log line card applications. The L7581 has three states: the idle talk state (line break switches closed, ringing access switches open), the power ringing state (line break switches open, ringing access switches closed), and an all OFF state.

The L7581 offers break-before-make or make-before-break switching, with simple logic level input control. Because of the solid-state construction, voltage tran-sients generated when switching into an inductive ringing load during ring cadence or ring trip are mini-mized, possibly eliminating the need for external zero cross switching circuitry. State control is via logic level inputs, so no additional driver circuitry is required.

The line break switch is a linear switch that has exceptionally low ON-resistance and an excellent ON-resistance matching characteristic. The ringing access switch has a breakdown voltage rating >480 V which is sufficiently high, with proper protec-tion, to prevent breakdown in the presence of a tran-sient fault condition (i.e., passing the transient on to the ringing generator).

Incorporated into the L7581Axx is a diode bridge/SCR clamping circuit, current-limiting circuitry, and a thermal shutdown mechanism to provide protection to the SLIC device and subsequent circuitry during fault conditions (see Figure 1). Positive and negative lightning is reduced by the current-limiting circuitry and steered to ground via diodes and the integrated SCR. Power cross is also reduced by the current-limiting and thermal shutdown circuits.

The L7581Bxx version provides only an integrated diode bridge along with current limiting and thermal shutdown, as shown in Figure 2. This will cause pos-itive faults to be directed to ground and negative faults to battery. In either polarity, faults are reduced by the current-limit and/or thermal shutdown mecha-nisms.

L7581 Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.

Parameter

Min
Max
Unit
Operating Temperature Range
40
110
°C
Storage Temperature Range
40
150
°C
Relative Humidity Range
5
95
%
Pin Soldering Temperature
-
10
°C
5 V Power Supply
-
7
V
Battery Supply
-
85
V
Logic Input Voltage
-
7
V
Input-to-output Isolation
-
330
V
Pole-to-pole Isolation
-
330
V

L7581 Features

 Small size/surface-mount packaging
Monolithic IC reliability
Low impulse noise
Make-before-break, break-before-make operation
Clean, bounce-free switching
Low, matched ON-resistance
Built-in current limiting, thermal shutdown, and SLIC protection
5 V only operation, very low power consumption
Battery monitor, all OFF state upon loss of battery
No EMI
Latched logic level inputs, no drive circuitry
 Only one external protector required

L7581 Typical Application

 Central office
DLC
PBX
DAML
HFC/FITL

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