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P1786L PWM Step Down Converter

FEATURES | PRICING | DESCRIPTION | DATASHEET THAT5171N32-U datasheet

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Alternate parts in this family (compare):
SOP8

Pricing

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10+£0.750
50+£0.562
100+£0.468
500+£0.412
1k+£0.337
5k+£0.281

Quantity:  

Availability: Out of stock  
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Minimum order quantity: 10

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Technical Specifications

Supply Voltage (minimum)4V
Supply Voltage (maximum)23V
Frequency (max)300kHz
Quiescent Current0mA
Voltage Reference Tolerance 
Drive Type 

Please also refer to the Datasheets & Resources tab.

Features

  • Input voltage: 4.0V ~ 23V
  • Output voltage: 0.8V ~ VCC
  • Duty ratio: 0% to 100% PWM control
  • Oscillation frequency: 300KHz typ.
  • Soft-start, current limit, enable function
  • Thermal shutdown function
  • Built-in internal SW P-channel MOS

Full Description

UTC's P1786 consists of 3A step-down switching regulator control which includes a reference voltage source, oscillation circuit, error amplifier and internal PMOS.

The P1786 can provide low-ripple power, high efficiency, and excellent transient characteristics.

An enable function, an over current protect and short circuit protect function are built inside, so the operation frequency can be reduced from 300KHz to 30KHz when OCP or SCP occurs.

The PWM control circuit can vary the duty ratio linearly from 100 down to 0%.

This converter also includes an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.

An internal compensation block is built in to reduce external component count.

These ICs can work as step-down switching regulators with the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally.

Moisture sensitivity level:
ISO9001 supplier
RoHS 3 (EU 2015/863)

Pack sizes & weights (for bulk orders)
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Reel 2500

For scheduled orders and further information:

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P1786 Family Parts Comparison

PackagePart NumberAvailable StockHighest Web Price BreakStatus
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SOP8 SOP8P1786G-S08-R
Buy Now
208001k+:
£0.221
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SOP8 SOP8P1786LOut of stock  
?
5k+:
£0.281
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UK Customers

Orders below £100.00 can be delivered by Registered Post at a rate of £3.50 (allow 3-5 days) or a next day tracked courier at a rate of £9.00.
Orders above £100.00 are delivered by a next day tracked courier at a rate of £9.00.


European Customers

Orders below €100.00 can be delivered by Airmail (allow 5-7 days) at a rate of €5.50 or by a tracked courier at a rate of €19.50 (1-2 days).
Orders to European countries above €100.00 are delivered by a tracked courier at a rate of €19.50 (1-2 days).


US Customers

Orders below $110.00 can be delivered by Airmail at a rate of $9.00 (allow up to 10 days) or by tracked courier at a rate of $30.00 (1-3 days).
Orders above $110.00 are delivered by a tracked courier at a rate of $30.00 (1-3 days).


International Customers

Orders below $50.00 can be delivered by post (allowing up to 28 days) at a rate of $18.00 or by a tracked courier at a rate of $49.00.
Orders above $50.00 are delivered by tracked courier at a rate of $49.00.


All prices shown exclude VAT.

FEATURES | PRICING | DESCRIPTION | DATASHEET THAT5171N32-U datasheet

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