LT3599
22
3599ff
For more information www.linear.com/LT3599
Typical applicaTions
2.1 MHz Boost, Four Strings, 80mA per String, 7 LEDs per String
R
C
10k
C1
3.3µF
25V
C4
47nF
L1
4.7µH
D1
C2
4.7µF
50V
×2
7 LEDs/
STRING
100pF
C
C
2.2nF
R9
16.5k
3599 TA06a
LT3599
V
O_SW
FB
OPENLED
SHORTLED
PWM
SHDN/UVLO
RT
SYNC
PWM
80mA PER STRING
CTRL
V
REF
T
SET
LED1
LED2
LED3
LED4
V
OUT
SWV
IN
V
C
SS GND
I
SET
R10
1M
R11
43.2k
PV
IN
9V TO 16V
V
IN
V
IN
3.1V TO 5.5V
V
IN
R6
20k
R5
100k
DISABLE4
R4
100k
R7
53.6k
R8
80.6k
R1
200k
R2
32.4k
R3
32.4k
C3
1µF
6.3V
C1: MURATA GRM21BR71E335K
C2: MURATA GRM31CR71H475K
D1: DIODES INC. DFLS240
L1: SUMIDA CDRH4D22HPNP-4R7N
PWM
5V/DIV
I
LED
TOTAL
200mA/DIV
10µs/DIV
3599 TA07
PWM Dimming 3000:1
(10ms Period)
LT3599
23
3599ff
For more information www.linear.com/LT3599
package DescripTion
FE Package
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663 Rev K)
Exposed Pad Variation EB
FE28 (EB) TSSOP REV K 0913
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 9 10
11
12 13 14
192022 21 151618 17
9.60 – 9.80*
(.378 – .386)
4.75
(.187)
2.74
(.108)
28 27 26 2524 23
1.20
(.047)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
0.195 – 0.30
(.0077 – .0118)
TYP
2
RECOMMENDED SOLDER PAD LAYOUT
EXPOSED
PAD HEAT SINK
ON BOTTOM OF
PACKAGE
0.45 ±0.05
0.65 BSC
4.50 ±0.10
6.60 ±0.10
1.05 ±0.10
4.75
(.187)
2.74
(.108)
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
3. DRAWING NOT TO SCALE
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663 Rev K)
Exposed Pad Variation EB
Please refer to http://www.linear.com/product/LT3599#packaging for the most recent package drawings.
LT3599
24
3599ff
For more information www.linear.com/LT3599
package DescripTion
UH Package
32-Lead Plastic QFN (5mm × 5mm)
(Reference LTC DWG # 05-08-1693 Rev D)
5.00 ± 0.10
(4 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE A JEDEC PACKAGE OUTLINE
M0-220 VARIATION WHHD-(X) (TO BE APPROVED)
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 0.20mm 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)
0.40 ± 0.10
31
1
2
32
BOTTOM VIEW—EXPOSED PAD
3.50 REF
(4-SIDES)
3.45 ± 0.10
3.45 ± 0.10
0.75 ± 0.05
R = 0.115
TYP
0.25 ± 0.05
(UH32) QFN 0406 REV D
0.50 BSC
0.200 REF
0.00 – 0.05
0.70 ±0.05
3.50 REF
(4 SIDES)
4.10 ±0.05
5.50 ±0.05
0.25 ± 0.05
PACKAGE OUTLINE
0.50 BSC
RECOMMENDED SOLDER PAD LAYOUT
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
PIN 1 NOTCH R = 0.30 TYP
OR 0.35 × 45° CHAMFER
R = 0.05
TYP
3.45 ± 0.05
3.45 ± 0.05
Please refer to http://www.linear.com/product/LT3599#packaging for the most recent package drawings.

LT3599IFE#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers 45V, 2.1MHz, 4 Channel 120mA Boost Mode LED Driver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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