LD1085P - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LD1085P
Manufacturer

ST Microelectronics
ChipWorker Part#

CW2894012
Category

Voltage Regulator
Description

STMICROELECTRONICS LD1085P LDO Voltage Regulator, Adjustable, 4.25V to 30V in, 1.3V drop, 1.25V to 4.25V/3A out, TO-220-3
Documentation

Datasheet

LD1085P Global Supplier

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LD1085P Specifications

Attribute	Attribute Value

Part Number	LD1085P
Manufacturer	ST Microelectronics
ChipWorker Part#	CW2894012
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	TO-220-3
Number of Outputs	1 Output
Input Voltage (DC)	30.0V (max)
Output Voltage	1.25V ~ 28V
Output Current	3 A
Number of Positions	3 Position
Quiescent Current	5 mA
voltage rating	1.3 V
Input Voltage (Max)	30 V
Input Voltage (Min)	4.25 V
Output Voltage (Max)	4.25 V
Output Voltage (Min)	1.25 V
Output Current (Max)	3 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	1 %
Supply Voltage (Min)	2.85 V
Input Voltage	≤30 V
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Size-Length	10.4 mm
Size-Width	4.6 mm
Size-Height	9.3 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	Compliant with Exemption
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The LD1085P is an adjustable and fixed low drop Positive Voltage Regulator able to provide up to 3A of output current. Dropout is guaranteed at a maximum of 1.2V at the maximum output current, decreasing at lower loads. This is pin-to-pin compatible with the older 3-terminal adjustable regulator, but offers better performance in terms of drop and output tolerance. Unlike PNP regulator, where a part of the output current is wasted as quiescent current, the quiescent current flows into the load and thus increases efficiency. Only a 10µF minimum capacitor is need for stability.
Output tolerance of ±1% at 25°C and ±2% in full temperature range
Internal power and thermal limit
Pinout compatibility with standard adjustable VREG

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