LT3518EFE#PBF Linear Technology, LT3518EFE#PBF Datasheet - Page 20

• Manufacturer Part Number: LT3518EFE#PBF
• Description: IC LED DRIVR AUTOMOTIVE 16-TSSOP
• Manufacturer: Linear Technology
• Type: Automotiver

Specifications of LT3518EFE#PBF

• Constant Current: Yes
• Constant Voltage: Yes
• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive, Backlight
• Type - Secondary: White LED
• Frequency: 250kHz ~ 2.5MHz
• Voltage - Supply: 3 V ~ 30 V
• Voltage - Output: 7V
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 2.8A
• Internal Switch(s): Yes
• Efficiency: 88%
• Led Driver Application: Display Backlighting, Automotive And Avionic Lighting
• No. Of Outputs: 1
• Output Current: 2.3A
• Output Voltage: 45V
• Input Voltage: 3V To 30V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT3518
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LT1618
LT3003
LT3474
LT3475
LT3476
LT3477
LT3478/LT3478-1
LT3479
LT3486
LT3496
LT3517
LT3590
LT3595
LTC
20
V
3V
IN
®
3783
C1: KEMET C0805C225K4RAC
C2, C5: KEMET C1206C106K4RAC
C3: MURATA GRM21BR71H104KA01B
C4: MURATA GCM033R71A103KA03
D1: ZETEX ZLLS2000TA
L1, L2: TOKO 962BS-2R4M
5.5V SEPIC Converter with Short-Circuit Protection
C1
2.2µF
SHDN
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
10nF
C4
CTRL
SYNC
SHDN
TGEN
V
10k
R3
V
REF
IN
V
DESCRIPTION
Constant Current, 1.4MHz, 1.5A Boost Converter
3-Channel LED Ballaster with PWM Dimming
36V, 1A (I
Dual 1.5A (I
Quad Output 1.5A, 36V, 2MHz High Current LED Driver
with 1,000:1 Dimming
3A, 42V, 3MHz Boost, Buck-Boost, Buck LED Driver
4.5A, 42V, 2.5MHz High Current LED Driver with 3,000:1
Dimming
3A, Full Featured DC/DC Converter with Soft-Start and
Inrush Current Protection
Dual 1.3A, 2MHz High Current LED Driver
Triple Output LED Driver
Full-Featured LED Driver with 1.5A Switch Current
48V Buck Mode 50mA LED Driver
16 Channel Buck LED Driver Mode
High Current LED Controller
C
PWM
LT3518
GND
l
2.4µH
L1
FAX: [phone]
LED
SS
SW
ISP
ISN
LED
TG
FB
R
), 2MHz, Step-Down LED Driver
C3
0.1µF
T
), 36V 2MHz Step-Down LED Driver
10µF
C5
2.4µH
R
6.04k
2MHz
T
L2
D1
l
www.linear.com
C2
10µF
R
0.15
SENSE
3518 TA07a
R1
221k
R2
49.9k
V
5.5V
500mA
OUT
COMMENTS
V
MSOP10 Package
V
MSOP10 Package
V
I
V
I
V
I
V
QFN, TSSOP20E Packages
V
I
V
DFN and TSSOP Packages
V
I
V
I
V
I
V
I
V
5mm × 9mm QFN
I
V
SD
SD
SD
SD
SD
SD
SD
SO
SD
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 5V to 18V, V
: 3V to 48V, Dimming = 3000:1 True Color PWM, I
: 4V to 36V, V
: 4V to 36V, V
: 2.8V to 16V, V
: 2.5V to 25V, V
: 2.8V to 36V, V
: 2.5V to 24V, V
: 2.5V to 24V, V
: 3V to 40V, V
: 3V to 40V, V
: 4.5V to 55V, Drives Up to 10 LEDs, 200:1 Dimming,
: 4.5V to 45V, Drives Up to 160 LEDs, 5000:1 Dimming,
: 3V to 36V, V
< 1µA, TSSOP16E Package
< 1µA, TSSOP20E Package
< 10µA, 5mm × 7mm QFN Package
< 3µA, TSSOP16E Packages
< 1µA, 5mm × 3mm DFN, TSSOP16E
< 10µA, 4mm × 5mm QFN Package
< 1µA, 4mm × 4mm QFN and TSSOP Packages
= 15mA, 2mm × 2mm DFN SC70
< 20µA, 5mm × 4mm QFN10, TSSOP16E Packages
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
100
70
60
40
30
90
80
50
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
0
100
= 36V, Dimming = Analog/PWM, I
= 13.5V, Dimming = 400:1 True Color PWM,
= 13.5V, Dimming = 3000:1 True Color PWM,
= 45V, Dimming = 3000:1 True Color PWM,
= 45V, Dimming = 5000:1 True Color PWM,
= Ext FET, Dimming = 3000:1 True Color PWM,
= 36V, Dimming = 1000:1 True Color PWM,
= 40V, Dimming = Analog/PWM, I
= 42V, Dimming = 3000:1 True Color PWM,
= 40V, I
= 36V, Dimming = 1000:1 True Color PWM,
Efficiency
200
I
LOAD
Q
 LINEAR TECHNOLOGY CORPORA TION 2007
(mA)
= 6.5mA, I
300
400
LT 0111 REV D • PRINTED IN USA
3518 TA07b
SD
< 1µA,
500
SD
< 5µA,
SD
SD
< 1µA,
< 1µA,
3518fd