L7981ATR

Enlarge

For Reference Only

Part Number	L7981ATR
Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators
Description	IC REG BUCK ADJUSTABLE 3A 8HSOP
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	L7981ATR PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 10 - Dec 14 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
Payment
Shipping

L7981ATR Specifications

Part Number:	L7981ATR
Brand:	STMicroelectronics
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Integrated Circuits (ICs)
Subcategory:	Voltage Regulators - DC DC Switching Regulators
Manufacturer:	STMicroelectronics
Product Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	28V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Output (Max):	28V
Current - Output:	3A
Frequency - Switching:	250kHz ~ 1MHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package:	8-HSOP

XC9265C291MR-G	0.5UA ULTRA LOW QUIESCENT CURREN	49487 More on Order
MAX642ACSA+	IC REG BOOST ADJ/12V 450MA 8SOIC	15146 More on Order
ST1S06PU33R	IC REG BUCK 3.3V 1.5A 6DFN	63770 More on Order
MP2136EG-LF-Z	IC REG BUCK ADJUSTABLE 1A 6QFN	34343 More on Order
XC9236B1MCMR-G	600MA SYNCHRONOUS STEP-DOWN DCDC	54767 More on Order
LT3509HMSE#PBF	IC REG BUCK ADJ 700MA DL 16MSOP	9863 More on Order
S-8353A30UA-IQPT2U	IC REG BOOST 3V 300MA SOT89-3	70767 More on Order
LT1054ISW#TRPBF	IC REG CHARG PUMP INV 16SOIC	10436 More on Order
TS2596CM533 RNG	IC REG BUCK 3.3V 3A TO263-5	68836 More on Order
XC9237C29DMR-G	600MA SYNCHRONOUS STEP-DOWN DCDC	59601 More on Order
LT1074HVIT#PBF	IC REG MULTI CONFG ADJ TO220-5	3907 More on Order
LMR10510YMFX/NOPB	IC REG BUCK ADJ 1A SOT23-5	72784 More on Order