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LM3557SDX-2 representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN15 sourced attributes1 source document

Texas Instruments · exact orderable part

LM3557SDX-2

IC LED DRIVER RGLTR 800MA 8WSON

Type
DC DC Regulator
Topology
Step-Up (Boost)
Voltage - Supply (Min)
2.7V
Voltage - Supply (Max)
7.5V
Current - Output / Channel
800mA (Switch)
Number of Outputs
1
Internal Switch(s)
Yes
Frequency
1.2MHz
Applications
Backlight
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case8-WFDFN Exposed Pad
Mounting typeSurface Mount
PackingTape & Reel (TR)

Technical parameters

Technical specifications

15 normalized values · 1 validated source

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ParameterValue
ApplicationsBacklight [1]
Base Product NumberLM3557 [1]
Current - Output / Channel800mA (Switch) [1]
Frequency1.2MHz [1]
Internal Switch(s)Yes [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Outputs1 [1]
Operating Temperature-40°C ~ 85°C (TA) [1]
Product StatusObsolete [1]
TypeDC DC Regulator [1]
TopologyStep-Up (Boost) [1]
Voltage - Supply (Max)7.5V [1]
Voltage - Supply (Min)2.7V [1]
Package / Case8-WFDFN Exposed Pad [1]
Specification references[1]Texas Instruments LM3557SDX-2 vendor product record ↗

Catalog relationships

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ManufacturerTexas InstrumentsView brand page →CategoryLED DriversView category page →

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LM3557SDX-2 Texas Instruments Datasheet, Specs and RFQ | MPNHarbor