2014/08/30
 
 
 
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Linear Technology LTC4370 Current Sharing Controller

The LTC®4370 Current Sharing Controller. An easy, supply agnostic, space-saving solution for current sharing between two supplies in high reliability systems.

  • Share load between two supplies
  • No more active control of input supplies
  • No share bus required
  • Block reverse current
  • No shoot-through current during faults
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Product Description

Most methods for current sharing are either limited, complex or both, with the creation of the LTC4370 Current Sharing Controller Linear Technology want to provide designers with unprecedented flexibility and increased system reliability.

Many high availability systems engineer redundancy into their power systems by paralleling two similar supplies with diodes (diode-OR). The result, one can handle the load when the other fails. System reliability is further increased if both supplies operate simultaneously, with each diode sharing half the load current. The resulting lower currents lead to cooler operation, reducing the failure rate by half for every 10⁰C fall in temperature and allowing faster recovery time after a supply failure. The downside is that this technique requires both active control of the supplies, a shared bus and stability compensation.

By controlling N-channel MOSFETs in series with each supply the LTC4370 is able to perform the same task with greater simplicity, reliability and with a compact footprint providing you with  simpler and more reliable power systems.

Simplify Your System

Remove the need for active control and share buses on your input supplies.

Share the Load

Share the current load. Help make your systems more efficient and more reliable the easy way.

16 Pin & MSOP

Specified over the full commercial and industrial temperature ranges, the LTC4370 is offered in 16-pin DFN (4mm x 3mm) and MSOP packages.

Product Series

4 products found

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2115822

LINEAR TECHNOLOGY
LTC4370CDE#PBF

ORING, CURRENT SHARING, 18V, 16DFN

IC Function:Current Sharing Controller; Supply Voltage Min:3V; Supply Voltage Max:18V; IC Package Type:DFN; No. of Pins:16;

Simulation Model (1021.00B) EN Technical Data Sheet (263.36KB) EN
Product Range
RoHS Certificate of Compliance
RoHS Compliant Yes
112 in stock
cut-off times
109 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
3 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
1 Each
1+
£5.81
10+
£5.23
100+
£4.60
109 in stock for next working day delivery (UK stock)
3 in stock for next working day delivery (EU stock)
cut-off times
109 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
3 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)


2115823

LINEAR TECHNOLOGY
LTC4370CMS#PBF

ORING, CURRENT SHARING, 18V, 16MSOP

IC Function:Current Sharing Controller; Supply Voltage Min:3V; Supply Voltage Max:18V; IC Package Type:MSOP; No. of Pins:16;

Simulation Model (1021.00B) EN Technical Data Sheet (263.36KB) EN
Product Range
RoHS Certificate of Compliance
RoHS Compliant Yes
280 in stock
cut-off times
277 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
3 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
1 Each
1+
£10.67
10+
£7.42
100+
£5.95
277 in stock for next working day delivery (UK stock)
3 in stock for next working day delivery (EU stock)
cut-off times
277 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
3 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)


2115824

LINEAR TECHNOLOGY
LTC4370IDE#PBF

ORING, CURRENT SHARING, 18V, 16DFN

IC Function:Current Sharing Controller; Supply Voltage Min:3V; Supply Voltage Max:18V; IC Package Type:DFN; No. of Pins:16;

Simulation Model (1021.00B) EN Technical Data Sheet (263.36KB) EN
Product Range
RoHS Certificate of Compliance
RoHS Compliant Yes
287 in stock
cut-off times
287 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
1 Each
1+
£6.56
10+
£5.77
100+
£5.08
287 in stock for next working day delivery (UK stock)
cut-off times
287 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)


2115825

LINEAR TECHNOLOGY
LTC4370IMS#PBF

ORING, CURRENT SHARING, 18V, 16MSOP

IC Function:Current Sharing Controller; Supply Voltage Min:3V; Supply Voltage Max:18V; IC Package Type:MSOP; No. of Pins:16;

Simulation Model (1021.00B) EN Technical Data Sheet (263.36KB) EN
Product Range
RoHS Certificate of Compliance
RoHS Compliant Yes
93 in stock
cut-off times
81 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
12 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
1 Each
1+
£12.08
10+
£8.42
100+
£6.76
81 in stock for next working day delivery (UK stock)
12 in stock for next working day delivery (EU stock)
cut-off times
81 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
12 European Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
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Related products

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2327959

LINEAR TECHNOLOGY
DC1741A

LTC4370, DIODE-OR CONTROLLER, EVAL BOARD

Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC4370; Kit Application Type:Power Management; Application Sub Type:Diode-OR Current Balancing Controller; Kit Conten;

Technical Data Sheet (140.40KB) EN
Product Range
RoHS Certificate of Compliance
RoHS Compliant Yes
4 in stock
cut-off times
4 UK Stock: Order before 20:00 (for re-reeled items 16:30) Mon-Fri (excluding National Holidays)
1 Each
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£54.64
4 in stock for next working day delivery (UK stock)
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