Datasheet Linear Technology LT3498EDDB#TRPBF — Datenblatt

Hersteller	Linear Technology
Serie	LT3498
Artikelnummer	LT3498EDDB#TRPBF

20mA LED-Treiber und OLED-Treiber mit integriertem Schottky in 3 mm x 2 mm DFN

Datenblätter

PDF, 370 Kb, Revision: A, Datei hochgeladen: Sep 18, 2017

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Preise

Verpackung

Package	3x2 DFN-12
Package Code	DDB
Package Index	05-08-1723

Parameter

Demo Boards	DC1137A
Design Tools	LTspice File
Export Control	no
Features	Open LED Protection, Output Disconnect, Integrated Schottky Diode
Frequency	2300 kHz
Ishutdown	8 µA
Isupply	1.65 mA
Max Number of LEDs	6 + Boost
Monolithic	yes
Number of Outputs	2
Operating Temperature Range	0 to 85 °C
Switch Current	0.425 A
Synchronous	no
Topology	Boost, LED Driver
Vin Max	12 V
Vin Min	2.5 V
Vout Max	32 V

Öko-Plan

RoHS

Compliant

Artikel

Herunterladen
White LED Driver and OLED Driver with Integrated Schottkys and Output Disconnect in 3mm x 2mm DFN &mdash LT Journal
PDF, 382 Kb, Datei veröffentlicht: Oct 16, 2007
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DESIGN FEATURESвЂ‰L White LED Driver and OLED Driver
with Integrated Schottkys and Output
Disconnect in 3mm Г— 2mm DFN
by Alan Wei Introduction Linear Technology Magazine October 2007 VIN
3V TO 5V 4.7ВµF 15ВµH 0.47ВµF 15ВµH 16V
24mA 1ВµF
CAP1 SW1 10в„¦ VIN SW2 CAP2 VOUT2 10ВµF LT3498
LED1
20mA CTRL1 GND1 GND2 OFF ON
SHUTDOWN
AND
DIMMING
CONTROL CTRL2 FB2 2.21Mв„¦ OFF ON
SHUTDOWN
AND
CONTROL Figure 1. Li-Ion to six white LEDs and an OLED display ing battery life in application modes
where the LED driver is temporarily
disabled.
FigureВ 1 shows a typical application
driving 6 LEDs and an OLED. Figures
2 and 3 show the efficiency of the LED
driver and OLED driver respectively. Features
LED Driver High Side Sense …

Modellreihe

Serie: LT3498 (3)

LT3498EDDB#PBF LT3498EDDB#TRMPBF LT3498EDDB#TRPBF

Herstellerklassifikation

Power Management > Switching Regulator > LCD/CCD/OLED Bias
Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost | Multiple Output Boost
Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers

Andere Namen:

LT3498EDDBTRPBF, LT3498EDDB TRPBF

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