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LTC3706

Features: · Secondary-Side Control for Fast Transient Response· Self-Starting Architecture Eliminates Need for Separate Bias Regulator· Proprietary Gate Drive Encoding Scheme Reduces System Complexity· PolyPhase® Operation Reduces CIN Requirements· Current Mode Control Ensures Current Sharing·...

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SeekIC No. : 004402302 Detail

LTC3706: Features: · Secondary-Side Control for Fast Transient Response· Self-Starting Architecture Eliminates Need for Separate Bias Regulator· Proprietary Gate Drive Encoding Scheme Reduces System Complexi...

LTC3706 Data Sheet

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Part Number:
LTC3706
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Secondary-Side Control for Fast Transient Response
· Self-Starting Architecture Eliminates Need for Separate Bias Regulator
· Proprietary Gate Drive Encoding Scheme Reduces System Complexity
· PolyPhase® Operation Reduces CIN Requirements
· Current Mode Control Ensures Current Sharing
· PLL Fixed Frequency: 100kHz to 500kHz
· ±1% Output Voltage Accuracy
· True Remote Sense Differential Amplifier
· Power Good Output Voltage Monitor
· High Voltage Linear Regulator Controller
· Wide Supply Range: 5V to 30V
· Available in a Narrow 24-Lead SSOP Package


Application

· Isolated 48V Telecommunication Systems
· Internet Servers and Routers
· Distributed Power Step-Down Converters
· Automotive and Heavy Equipmen


Pinout

Connection Diagram


Specifications

VCC ........................................................... 0.3V to 10V
VIN ............................................................ 0.3V to 33V
SW............................................................... 5V to 50V
NDRV........................................................ 0.3V to 13V
ITH, RUN/SS, VSOUT, V S
+, VS
, REGSD ...... 0.3V to 7V
All Other Pins ............................................ 0.3V to 10V
Operating Ambient Temperature Range (Note 2)
LTC3706EGN ...................................... 40°C to 85°C
LTC3706IGN ....................................... 40°C to 85°C
Operating Junction Temperature (Note 3) .......... 125°C
Storage Temperature Range ............. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C


Description

The LTC®3706 is a PolyPhase capable secondary-side controller for synchronous forward converters. When used in conjunction with the LTC3705 gate driver and primary-side controller, the part creates a complete isolated power supply that combines the power of PolyPhase operation with the speed of secondary-side control.


The LTC3706 has been designed to simplify the design of highly efficient, secondary-side forward converters. Working in concert with the LTC3705, the LTC3706 forms a robust, self-starting converter that eliminates the need for the separate bias regulator that is commonly used in secondary-side control applications. In addition, a proprietary scheme is used to multiplex gate drive signals and DC bias power across the isolation barrier through a single, tiny pulse transformer.

The LTC3706 provides remote sensing, accurate power good and overvoltage monitoring circuits to support precision, high current applications. A linear regulator controller with thermal protection is also provided to simplify the generation of secondary-side bias voltage.

The LTC3706 is available in a 24-lead SSOP package.




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