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Analog Devices LT1964EDD#TRPBF — Discrete Semiconductors
Analog Devices

LT1964EDD#TRPBF Negative LDO Regulator, 200mA

MPNLT1964EDD#TRPBF
End of Life

Analog Devices LT1964EDD#TRPBF, Negative Adjustable LDO Regulator, 200mA Output, 1.22V to 20V Adjustable Range, 54dB PSRR (120Hz), -40°C to 125°C, 8-WFDFN Exposed Pad, Surface Mount.

$5.2Ref. price · indicative, final on quote
LT1964EDD#TRPBF datasheet
Packaging8-WFDFN Exposed Pad
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

LT1964EDD#TRPBF Technical Specifications
ParameterValue
Output typeAdjustable
Mounting typeSurface Mount
Voltage - input-20V
Voltage dropout0.49V @ 200mA
Voltage - output-20V
Voltage - output (Min (Fixed))-1.22V
Current - output200mA
Operating temperature-40°C ~ 125°C
PSRR54dB (120Hz)
PackageTape & Reel (TR); Cut Tape (CT)
Case8-WFDFN Exposed Pad
Control featuresEnable
Protection featuresOver Current, Over Temperature, Reverse Polarity
Number of regulators1
Output configurationNegative

Product details

Negative rail LDO for bias and analog supplies

The Analog Devices LT1964EDD#TRPBF is a negative-output, adjustable low-dropout linear regulator rated for 200 mA continuous output. It generates a regulated negative rail from -1.22 V down to -20 V, making it a fit for generating the negative supply in bipolar op-amp circuits, ADC/DAC reference buffers, or VEE bias in industrial sensor front-ends. The 8-DFN (3x3 mm) exposed-pad package sinks heat into the PCB plane, and the enable pin lets the system sequencer pull the rail down to zero when the load is idle.

Protection set for industrial and automotive bias rails

Over-current, over-temperature, and reverse polarity protection are all built in. Reverse polarity protection is useful when the negative input rail comes from a DC-DC converter.

Sourcing and lifecycle

The LT1964EDD#TRPBF carries an Active lifecycle status and is ROHS3 compliant. It is a current-production part from Analog Devices, available through independent distribution. For a BOM line that needs a negative adjustable LDO at 200 mA, this part is qualified for new designs and carries no last-time-buy risk. The -40°C to 125°C temperature grade qualifies it for industrial and automotive under-hood environments.

Frequently asked questions

What are the protection features of LT1964EDD#TRPBF?

Over-current, over-temperature, and reverse polarity protection are all integrated. The reverse polarity protection is particularly valuable when the negative input rail is sourced from a DC-DC converter that may see transient reversal during power sequencing.

Can LT1964EDD#TRPBF be used as a positive regulator?

No — this part is configured for negative output only. It regulates a negative input voltage down to a more negative (or less negative) adjustable output. For a positive adjustable LDO at similar current, look at the LT1761 series.

What is the closest functional second-source for LT1964EDD#TRPBF?

There is no direct pin-compatible second-source from another manufacturer. Within the Analog Devices family, the LT3015IDD#TRPBF is the same negative adjustable topology and same 8-DFN footprint, but it is rated for 1.5 A — a different current tier. The LT1761IS5-SD#TRMPBF is a positive regulator, not a functional substitute for a negative rail design.