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                      1. Home
                      2. Semiconductors - ICs
                      3. Power Management ICs - PMIC
                      4. DC / DC Power Management
                      5. DC / DC Controllers
                      Print Page

                      LT1737IGN#PBF

                      DC/DC Controller, Isolated Flyback, 4.5 V to 20 V Supply, 1 Output, 90% Duty Cycle, 100kHz, NSSOP-16

                      ANALOG DEVICES LT1737IGN#PBF
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoLT1737IGN#PBF
                      Order Code4026221
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      77 In Stock

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                      77 Delivery in 4-6 Business Days(UK stock)
                      QuantityPrice
                      1+Rs.864.780
                      10+Rs.598.560
                      25+Rs.546.360
                      100+Rs.494.160
                      300+Rs.491.550
                      500+Rs.490.520
                      1000+Rs.490.010
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      Rs.864.78
                      Enter Your Part No/Line Note
                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoLT1737IGN#PBF
                      Order Code4026221
                      Technical Datasheet

                      Data Sheet

                      Control ModeCurrent Mode Control
                      Supply Voltage Min4.5V
                      Supply Voltage Max20V
                      No. of Outputs1Outputs
                      Duty Cycle (%)90%
                      IC Case / PackageNSSOP
                      No. of Pins16Pins
                      Switching Frequency100kHz
                      TopologyIsolated Flyback
                      Operating Temperature Min-40°C
                      Operating Temperature Max125°C
                      Product Range-
                      Qualification-
                      MSLMSL 1 - Unlimited
                      SVHCNo SVHC (21-Jan-2025)
                      Automotive Qualification Standard-
                      Controller IC Case StyleNSSOP
                      No. of Outputs1 Output

                      Product Overview

                      LT1737 is a monolithic switching regulator controller specifically designed for the isolated flyback topology. It drives the gate of an external MOSFET and is generally powered from a DC supply voltage. Output voltage feedback information may be supplied by a variety of methods including a third transformer winding, the primary winding or even direct DC feedback. Its gate drive capability, coupled with a suitable external MOSFET and other power path components, can deliver load power up to tens of Watts. It has a number of features not found on other isolated flyback controller ICs. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. It is used in application like isolated flyback switching regulators, medical instruments, instrumentation power supplies etc.

                      • Supply voltage range is 4.5V to 20V
                      • Senses output voltage directly from primary side winding—no opt isolator required
                      • Switching frequency is 100KHz typical at (COSCAP = 100pF)
                      • Moderate accuracy regulation without user trims
                      • Regulation maintained well into discontinuous mode
                      • External ISENSE resistor, optional load compensation
                      • Optional undervoltage lockout
                      • Supply current is 10mA typical, shutdown current is 50µA typical
                      • Operating temperature is -40°C to 125°C
                      • Package style is 16-lead plastic SSOP

                      Notes

                      ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

                      Technical Specifications

                      Control Mode

                      Current Mode Control

                      Supply Voltage Max

                      20V

                      Duty Cycle (%)

                      90%

                      No. of Pins

                      16Pins

                      Topology

                      Isolated Flyback

                      Operating Temperature Max

                      125°C

                      Qualification

                      -

                      SVHC

                      No SVHC (21-Jan-2025)

                      Controller IC Case Style

                      NSSOP

                      Supply Voltage Min

                      4.5V

                      No. of Outputs

                      1Outputs

                      IC Case / Package

                      NSSOP

                      Switching Frequency

                      100kHz

                      Operating Temperature Min

                      -40°C

                      Product Range

                      -

                      MSL

                      MSL 1 - Unlimited

                      Automotive Qualification Standard

                      -

                      No. of Outputs

                      1 Output

                      Technical Docs (2)

                      Technical Data Sheet EN

                      Product Change Notice EN

                      Legislation and Environmental

                      Country of Origin:
                      Country in which last significant manufacturing process was carried outCountry of Origin:
                      Philippines
                      Country in which last significant manufacturing process was carried out
                      Tariff No:85381090
                      US ECCN:EAR99
                      EU ECCN:NLR
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.000001
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