LT3498EDDB#TRMPBF Linear Technology, LT3498EDDB#TRMPBF Datasheet - Page 24

• Manufacturer Part Number: LT3498EDDB#TRMPBF
• Description: IC LED DRVR WT/OLED BCKLGT 12DFN
• Manufacturer: Linear Technology
• Type: Backlight, OLED, White LEDr

Specifications of LT3498EDDB#TRMPBF

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: OLED, White LED
• Frequency: 1.8MHz ~ 2.8MHz
• Voltage - Supply: 2.5 V ~ 12 V
• Voltage - Output: 32V
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• No. Of Outputs: 2
• Output Current: 200mA
• Output Voltage: 32V
• Input Voltage: 2.5V To 12V
• Dimming Control Type: PWM / DC
• Operating Temperature Range: -40°C To +85°C
• Driver Case Style: DFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Other names: LT3498EDDB#TRMPBFTR

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NUMBER
LT1932
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LT3463/
LT3463A
LT3465/
LT3465A
LT3466/
LT3466-1
LT3471
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LT3473A
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ThinSot and True Color PWM are trademarks of Linear Technology Corporation
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
7
6
5
4
2
1
0
3
0.1
DESCRIPTION
Constant-Current, 1.2MHz, High Effi ciency White LED
Boost Regulator
Constant-Current, 1.2MHz, High Effi ciency White LED
Boost Regulator
Dual Output, Boost/Inverter, 250mA I
Time, High Effi ciency Step-Up DC/DC Converter with
Integrated Schottky Diodes
Constant-Current, 1.2/2.7MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
Dual Constant-Current, 2MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
Dual Output, Boost/Inverter, 1.3A ISW, 1.2MHZ, High
Effi ciency Boost-Inverting DC/DC Converter
40V, 1A , 1.2MHz Micropower Low Noise Boost Converter
with Output Disconnect
Constant-Current, 2.3MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
40V, 180mA/350mA Micropower Low Noise Boost
Converter with Output Disconnect
Dual 2.3MHz, Full Function LED Driver with Integrated
Schottky Diode and 250:1 True Color PWM
Constant-Current, 1MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode and 80:1
True Color PWM Dimming
Output Voltage Ripple
vs Load Current
LOAD CURRENT (mA)
1
●
FAX: [phone]
10
3498 TA06d
●
SW
www.linear.com
100
, Constant Off-
TM
Dimming
COMMENTS
V
V
SC70 Packages
V
DFN-10 Package
V
DFN-10 Package
V
DFN-8 Package
V
DFN-10 Package
V
DFN-12 Package
V
DFN-6 and SC70 Packages
V
DFN-8 Package
V
DFN-10 Package
V
DFN-8 Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 1V to 10V; V
: 2.5V to 10V; V
: 2.3V to 15V; V
: 2.3V to 16V; V
: 2.3V to 16V; V
: 2.4V to 16V; V
: 2.2V to 16V; V
: 2.5V to 12V; V
: 2.3V to 16V; V
: 2.5V to 10V; V
: 2.5V to 12V; V
V
25
24
23
22
21
20
19
18
17
16
15
OUT
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
R
FB2
= 34V; I
VALUE REQUIRED
= 34V; I
= ±40V; I
= 40V; I
= 40V; I
= ±40V; I
= 36V; I
= 27V; I
= 40V; I
= 32V; I
= 40V; I
(MΩ)
3.57
3.40
3.24
3.09
2.94
2.80
2.67
2.49
2.37
2.21
2.05
Q
= 1.2mA; I
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 1.9μA; I
= 40μA; I
= 65μA; I
= 150μA; I
= 12.6μA; I
= 65μA; I
= 6mA; I
= 4mA; I
= 40μA; I
= 2.5μA; I
© LINEAR TECHNOLOGY CORPORATION 2007
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
= <1μA; ThinSOT
= <12μA; 3mm × 2mm
= <9μA; 3mm × 2mm
= <1μA; 3mm × 3mm
= <1μA; 3mm × 2mm
= <1μA; 3mm × 2mm
= <1μA; ThinSOT and
= <1μA; 3mm × 3mm
= <1μA; 3mm × 3mm
= <1μA; 3mm × 3mm
= <8μA; 2mm × 2mm
LT 0508 REV A • PRINTED IN USA
CURRENT AT 3V INPUT
MAXIMUM OUTPUT
(mA)
12.5
13.4
14.4
15.6
16.8
18.1
19.6
21.2
22.5
24.2
26
TM
Package
3498fa