LTC1435AIS#PBF External Power Switch Buck Controllers by Analog Devices

Status: Production
Series: LTC1435A
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The LTC1435A is a synchronous step-down switching regulator controller that drives external N-channel power MOSFETs using a fixed frequency architecture. A wide duty cycle range of 5% to 99% allows high VIN to low VOUT DC/DC conversion, as well as low dropout operation that extends operating time in battery-operated systems. Burst Modeâ„¢ operation provides high efficiency at low load currents.The operating frequency is set by an external capacitor allowing maximum flexibility in optimizing efficiency. A secondary winding feedback control pin, SFB, guarantees regulation regardless of load on the main output by forcing continuous operation. Burst Mode operation is inhibited when the SFB pin is pulled low, which reduces noise and RF interference.Soft start is provided by an external capacitor that can be used to properly sequence supplies. The operating current level is user-programmable via an external current sense resistor. Wide input supply range allows operation from 3.5V to 30V (36V maximum).

Where to Buy

Prices starting from US$9.61

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$9.99
10
in stock
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Richardson RFPD
from US$9.61
-
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Features

Dual N-Channel MOSFET Synchronous Drive
Programmable Fixed Frequency
Wide VIN Range: 3.5V to 36V Operation
Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications
Very Low Dropout Operation: 99% Duty Cycle
Low Standby Current
Secondary Feedback Control
Programmable Soft Start
Remote Output Voltage Sense
Logic Controlled Micropower Shutdown: IQ <25µA
Foldback Current Limiting (Optional)
Current Mode Operation for Excellent Line and Load Transient Response
Output Voltages from 1.19V to 9V
Available in 16-Lead Narrow SO and SSOP Packages

Alternative Descriptions

Hi Eff L N Sync Buck Sw Reg | Analog Devices
POWER MANAGEMENT IC | Richardson RFPD


LTC1435AIS#PBF Semiconductors - ICs by Linear Technology

BUCK CNTRL 36V 1.19-9V SOIC-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Supply Voltage Min 3.5V
Supply Voltage Max 36V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) 99%
Controller IC Case Style SOIC
No. of Pins 16Pins
Switching Frequency 138kHz
Topology Synchronous Buck (Step Down)
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Operating Temperature Range -40°C to +85°C
Primary Input Voltage 36V

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LTC1435AIS#PBF?

Additional datasheets, footprints and schematics for LTC1435AIS#PBF are listed on our Part Details page. You can also find images and similar parts to LTC1435AIS#PBF on this page.

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What category does LTC1435AIS#PBF fall under?

The LTC1435AIS#PBF is listed under External Power Switch Buck Controllers.

Can I view similar or alternative parts?

You can view similar parts to LTC1435AIS#PBF when available in the External Power Switch Buck Controllers range under the specifications section at the bottom of the details page.

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Is the LTC1435AIS#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for LTC1435AIS#PBF have stock available?

Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for LTC1435AIS#PBF.

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