LM27402SQ/NOPB representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN18 sourced attributes1 source document

Texas Instruments · exact orderable part

LM27402SQ/NOPB

IC REG CTRLR BUCK 16WQFN

Product Status
Active
Function
Step-Down
Topology
Buck
Voltage - Supply (Vcc/Vdd)
3V ~ 20V
Frequency - Switching
200kHz ~ 1.2MHz
Clock Sync
Yes
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Duty Cycle (Max)
95%
Synchronous Rectifier
Yes
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case16-WQFN Exposed Pad
Mounting typeSurface Mount
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

LM27402SQ/NOPB technical parameters
ParameterValue
Base Product NumberLM27402 [1]
Clock SyncYes [1]
Control FeaturesCurrent Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking [1]
Duty Cycle (Max)95% [1]
Frequency - Switching200kHz ~ 1.2MHz [1]
FunctionStep-Down [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Outputs1 [1]
Operating Temperature-40°C~125°C(TJ) [1]
Output ConfigurationPositive [1]
Output Phases1 [1]
Output TypeTransistor Driver [1]
Product StatusActive [1]
Synchronous RectifierYes [1]
TopologyBuck [1]
Voltage - Supply (Vcc/Vdd)3V ~ 20V [1]
Package / Case16-WQFN Exposed Pad [1]

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.