Datasheet Texas Instruments LM27952 — Datenblatt
Hersteller | Texas Instruments |
Serie | LM27952 |
Weiße LED Adaptive 1,5X / 1X geschaltete Kondensatorstromtreiber
Datenblätter
LM27952 White LED Adaptive 1.5X/1X Switched Capacitor Current Driver datasheet
PDF, 999 Kb, Revision: B, Datei veröffentlicht: May 2, 2013
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Preise
Status
LM27952SD/NOPB | LM27952SDX/NOPB | |
---|---|---|
Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
Manufacture's Sample Availability | No | Yes |
Verpackung
LM27952SD/NOPB | LM27952SDX/NOPB | |
---|---|---|
N | 1 | 2 |
Pin | 14 | 14 |
Package Type | NHK | NHK |
Industry STD Term | WSON | WSON |
JEDEC Code | R-PDSO-N | R-PDSO-N |
Package QTY | 1000 | 4500 |
Carrier | SMALL T&R | LARGE T&R |
Device Marking | D005B | D005B |
Width (mm) | 3 | 3 |
Length (mm) | 4 | 4 |
Thickness (mm) | .8 | .8 |
Pitch (mm) | .5 | .5 |
Max Height (mm) | .8 | .8 |
Mechanical Data | Herunterladen | Herunterladen |
Parameter
Parameters / Models | LM27952SD/NOPB | LM27952SDX/NOPB |
---|---|---|
Number of Channels | 4 | 4 |
Duty Cycle(Max), % | 100 | 100 |
LED | 4 | 4 |
LED Current Per Channel, mA | 30 | 30 |
Operating Temperature Range, C | -40 to 85 | -40 to 85 |
Package Group | WSON | WSON |
Package Size: mm2:W x L, PKG | See datasheet (WSON) | See datasheet (WSON) |
Peak Efficiency, % | 85 | 85 |
Rating | Catalog | Catalog |
Shutdown Current(Typ), uA | 0.1 | 0.1 |
Special Features | Direct PWM Dimming | Direct PWM Dimming |
Switching Frequency(Max), kHz | 975 | 975 |
Topology | Boost | Boost |
Type | Capacitive | Capacitive |
Vin(Max), V | 5.5 | 5.5 |
Vin(Min), V | 3 | 3 |
Vout(Max), V | 5.5 | 5.5 |
Vout(Min), V | 3 | 3 |
Öko-Plan
LM27952SD/NOPB | LM27952SDX/NOPB | |
---|---|---|
RoHS | Compliant | Compliant |
Anwendungshinweise
- Optimizing Efficiency in White LED Backlight ApplicationsPDF, 579 Kb, Datei veröffentlicht: Mar 21, 2007
Modellreihe
Serie: LM27952 (2)
Herstellerklassifikation
- Semiconductors> Power Management> LED Driver> Backlight