LT3517
16
3517fh
For more information www.linear.com/LT3517
5.5V SEPIC Converter with Short-Circuit Protection
SW
VC GND SS
CTRL
SYNC
SHDN
TGEN
V
REF
FB
TG
ISP
ISN
RT
V
OUT
5.5V
350mA
V
IN
3V
R1
221k
C2
10µF
C5
10µF
C3
0.1µF
C4
10nF
SHDN
PWM
LT3517
V
IN
D1
R2
49.9k
R
T
6.04k
2MHz
R3
10k
3517 TA07a
C2
2.2µF
L1
4.3µH
L2
4.3µH
R
SENSE
0.22Ω
C1: KEMET C0805C225K4RAC
C2, C5: KEMET C1206C106K4RAC
C3: MURATA GRM21BR71H104KA01B
C4: MURATA GCM033R71A103KA03
D1: ZETEX ZLLS1000TA
L1, L2: TOKO B992AS-4R3N
Efficiency
typical application
I
LOAD
(mA)
0
30
EFFICIENCY (%)
40
50
60
70
80
90
50 100 150 200
3517 TA07b
250 300 350
LT3517
17
3517fh
For more information www.linear.com/LT3517
package Description
UF Package
16-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1692 Rev Ø)
4.00 ±0.10
(4 SIDES)
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WGGC)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.55 ±0.20
1615
1
2
BOTTOM VIEW—EXPOSED PAD
2.15 ±0.10
(4-SIDES)
0.75 ±0.05
R = 0.115
TYP
0.30 ±0.05
0.65 BSC
0.200 REF
0.00 – 0.05
(UF16) QFN 10-04
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.72 ±0.05
0.30 ±0.05
0.65 BSC
2.15 ±0.05
(4 SIDES)
2.90 ±0.05
4.35 ±0.05
PACKAGE OUTLINE
PIN 1 NOTCH R = 0.20 TYP
OR 0.35 × 45° CHAMFER
UF Package
16-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1692 Rev Ø)
Please refer to http://www.linear.com/product/LT3517#packaging for the most recent package drawings.
LT3517
18
3517fh
For more information www.linear.com/LT3517
package Description
Please refer to http://www.linear.com/product/LT3517#packaging for the most recent package drawings.
FE Package
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663 Rev L)
Exposed Pad Variation BA
FE16 (BA) TSSOP REV L 0117
0.09 – 0.20
(.0035 – .0079)
0° – 8°
0.25
REF
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
1 3 4
5
6
7
8
10 9
4.90 – 5.10*
(.193 – .201)
16 1514 13 12 11
1.10
(.0433)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
2.74
(.108)
2.74
(.108)
0.195 – 0.30
(.0077 – .0118)
TYP
2
MILLIMETERS
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
RECOMMENDED SOLDER PAD LAYOUT
3. DRAWING NOT TO SCALE
0.45 ±0.05
0.65 BSC
4.50 ±0.10
6.60 ±0.10
1.05 ±0.10
2.74
(.108)
2.74
(.108)
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663 Rev L)
Exposed Pad Variation BA

LT3517IFE#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers 2.3A/1.3A, 45V, 2.5MHz Full Featured LED Driver w/ True Color PWM Dimming
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union