Mfr Part #:

LD1085D2T33R

Mfr Name: ST

The STMicroelectronics LD1085D2T33R is a positive fixed LDO voltage regulator with a 3.3V output and a 3A current capability. It features a low dropout voltage and is housed in a TO-263-2 package.

✓ Total Stock: 101,162 pcs

$ Price Range: $0.28

LD1085D2T33R Available from 5 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	90,400 pcs On Request	90400 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	8,687 pcs On Request	8687 pcs	On Request	1	On Request	On Request	22+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,589 pcs On Request	1589 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
RAD ✓ Non-Authorised Inventory information	469 pcs On Request	469 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	17 pcs On Request	17 pcs	On Request	1	On Request	On Request	0030P /	On Request	On Request

LD1085D2T33R Description

Short technical summary and product information.

The STMicroelectronics LD1085D2T33R is a low dropout (LDO) positive fixed voltage regulator designed for efficient power management. It provides a stable 3.3V output voltage with a maximum output current of 3A.

Key electrical characteristics include a maximum input voltage of 30V and a typical PSRR/ripple rejection of 72dB at 120Hz, ensuring clean power delivery. The device exhibits a low dropout voltage of 1.5V at 3A, making it suitable for applications where voltage headroom is limited.

This regulator operates within a temperature range of -40°C to 125°C (TJ). It is supplied in a TO-263-2 surface-mount package, facilitating integration into compact electronic designs. The LD1085D2T33R is a reliable choice for various power supply applications requiring a fixed, regulated output.

LD1085D2T33R Quick Information

Product Type: LDO Voltage Regulator

Series: LD1085

Canonical Name: STMicroelectronics LD1085D2T33R LDO Voltage Regulator

Subcategory: LDO Voltage Regulator

LD1085D2T33R Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

Lead Free: Yes

LD1085D2T33R Estimated Pricing

Qty	Low	High
1+	$0.28	$0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LD1085D2T33R Features

Provides a stable 3.3V output.
Supports a maximum output current of 3A.
Low dropout voltage of 1.5V at 3A.
Operates from -40°C to 125°C.
Surface mount TO-263-2 package.

LD1085D2T33R Applications

Ideal for power supply regulation.
Suitable for battery-powered devices.
Used in consumer electronics.
Applicable in industrial systems.

LD1085D2T33R FAQs

5 frequently asked questions generated from this part’s specifications.

What is the output voltage of the LD1085D2T33R?

The LD1085D2T33R has a fixed output voltage of 3.3V.

What is the maximum output current for the LD1085D2T33R?

The maximum output current for the LD1085D2T33R is 3A.

What is the maximum input voltage supported by the LD1085D2T33R?

The LD1085D2T33R supports a maximum input voltage of 30V.

What is the operating temperature range of the LD1085D2T33R?

The operating temperature range for the LD1085D2T33R is -40°C to 125°C (TJ).

What package type is the LD1085D2T33R supplied in?

The LD1085D2T33R is supplied in a TO-263-2 package.

Category	New Products
Manufacturer Name	ST
Industrial Grade	Yes
Lead Style	Gull Wing
Mounting Type	Surface Mount
Operating Temperature	-40°C / 125°C
Output Current	3 A
Output Voltage	3.3 V
SVHC Present	Not Present
Storage Temperature	-65°C ~ 150°C
Voltage Dropout (Max)	1.5 V @ 3A