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LINEAR TECHNOLOGY  LT3686HDD#PBF  DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-37Vin, 800mV-34.04Vout, 1.2Aout, DFN-10

LINEAR TECHNOLOGY LT3686HDD#PBF
Manufacturer Part No:
LT3686HDD#PBF
Order Code:
2294943
Technical Datasheet:
See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LT3686HDD#PBF is a current-mode PWM step-down DC-to-DC Converter with an internal 1.2A power switch. The wide input range of 3.6 to 37V makes the LT3686 suitable for regulating power from a wide variety of sources and including 24V industrial supplies. Its high maximum frequency allows the use of tiny inductors and capacitors, resulting in a very small solution. Operating frequency above the AM band avoids interfering with radio reception. Cycle-by-cycle current limit and DA current sense provide protection against fault conditions. Soft-start and frequency foldback eliminate input current surge during start-up. An optional internal regulated active load at the output via the BD pin keeps the LT3686 at full switching frequency at light loads, resulting in low, predictable output ripple above the audio and AM bands. Internal compensation and an internal boost diode reduce external component count.
  • Constant switching frequency at light loads
  • Tracking and soft-start
  • Precision UVLO
  • Short-circuit robust
  • Internally compensated
  • Overvoltage lockout protects circuit through 55V transients
  • 16VIN to 3.3VOUT at 2MHz Low minimum on-time
  • <1µA Quiescent current in shutdown

Product Information

Topology:
Buck (Step Down)
Input Voltage Min:
3.6V
Input Voltage Max:
37V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
DFN
No. of Pins:
10Pins
Output Current:
1.2A
Output Voltage Min:
800mV
Output Voltage Max:
34.04V
Switching Frequency:
2.5MHz
Operating Temperature Max:
150°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Automotive
  • Portable Devices
  • Power Management

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000142

Alternatives

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-37Vin, 800mV-34.04Vout, 1.2Aout, DFN-10

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