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LT4430IS6 The LT4430IS6 from Linear Technology is a secondary-side opto-coupler driver designed for isolated power supplies. It operates with an input voltage range of 3V to 20V and features overshoot control.
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LT4430IS6

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Mfr Name: LT
LT
The LT4430IS6 from Linear Technology is a secondary-side opto-coupler driver designed for isolated power supplies. It operates with an input voltage range of 3V to 20V and features overshoot control.
✓ Total Stock: 558 pcs

LT4430IS6 Available from 1 distributor

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558 pcs
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558 pcs On Request 1 On Request On Request 13+ On Request On Request
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LT4430IS6 Specifications Quick View

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LT4430IS6 Description

Short technical summary and product information.

The LT4430IS6 is a secondary-side opto-coupler driver manufactured by Linear Technology. This IC is designed to drive the opto-coupler in isolated power supplies, crossing the galvanic barrier. It features a wide input supply range from 3V to 20V and includes a unique overshoot control function that prevents output overshoot during start-up and short-circuit recovery.

 

The device incorporates a precision-trimmed 600mV reference with ±1.25% tolerance over temperature. It also contains a high bandwidth error amplifier, allowing for simple loop frequency compensation. The LT4430IS6 provides ground-referenced opto-coupler drive with 10mA current limiting. Its low profile ThinSOTTM package makes it suitable for space-constrained applications.

 

Applications for the LT4430IS6 include 48V input isolated DC/DC converters, isolated telecommunication power systems, distributed power step-down converters, offline isolated power supplies, industrial control systems, and automotive and heavy equipment power supplies.

LT4430IS6 Quick Information

Product Type: Opto-Coupler Driver
Series: LT4430
Canonical Name: LT4430IS6 Secondary-Side Opto-Coupler Driver
Subcategory: Power Management PMIC

LT4430IS6 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LT4430IS6 Features

  • Drives opto-coupler in isolated power supplies.
  • Wide 3V to 20V input supply range.
  • Overshoot control prevents output overshoot.
  • 10mA opto-coupler drive with limiting.
  • Low profile 1mm ThinSOTTM package.

LT4430IS6 Applications

  • Used in 48V input DC/DC converters.
  • Suitable for telecommunication power systems.
  • Applied in offline isolated power supplies.
  • Incorporated in industrial control systems.
  • Found in automotive power systems.

LT4430IS6 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of LT4430IS6?

3V to 20V.

What package is the LT4430IS6 available in?

SOT-23, with a low profile 1mm height.

What is the operating temperature range?

-40°C to 85°C.

What is the reference voltage?

600mV, with 1.25% accuracy over temperature.

What is the opto-coupler drive current?

10mA with current limiting.

What is the quiescent supply current?

1.9mA.

What is the switch current rating?

2.3A.

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