LT3591
13
3591f
TYPICAL APPLICATIONS
CAP LED
V
IN
C2
4.7µF
C1
1µF
L1
22µH
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H475KA12L
C3: MURATA GRM21BR71H105KA12L
L1: TAIYO YUDEN NR4018T220M
V
IN
3V
PV
IN
24V
R
SENSE
2
3591 TA05a
LT3591
SHUTDOWN
AND
DIMMING
CONTROL
CTRL SW
GND
C3
1µF
LED CURRENT (mA)
0
70
EFFICIENCY (%)
75
95
3591 TA05b
20 40 60 80 100
80
85
90
CAP LED
V
IN
C2
4.7µF
C1
1µF
L1
22µH
V
IN
3V
PV
IN
24V
R
SENSE
2
3591 TA06a
LT3591
SHUTDOWN
AND
DIMMING
CONTROL
CTRL SW
GND
C3
1µF
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H475KA12L
C3: MURATA GRM21BR71H105KA12L
L1: TAIYO YUDEN NR4018T220M
LED CURRENT (mA)
70
EFFICIENCY (%)
80
95
90
75
85
40 80
3591 TA06b
10020060
24V to Four White LEDs at 100mA Effi ciency
24V to Five White LEDs at 100mA Effi ciency
LT3591
14
3591f
TYPICAL APPLICATIONS
CTRL
V
IN
C2
2.2µF
C1
1µF
L1
22µH
V
IN
3V TO 5V
R
SENSE
10
3591 TA07a
LT3591
SHUTDOWN AND
DIMMING CONTROL
SW
CAP
LED
GND
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
LED CURRENT (mA)
0
EFFICIENCY (%)
50
55
60
15
85
80
3591 TA07b
510 20
65
70
75
V
IN
= 3.6V
7 LEDs
CTRL
V
IN
C2
2.2µF
C1
1µF
L1
22µH
V
IN
3V TO 5V
R
SENSE
10
3591 TA08a
LT3591
SHUTDOWN AND
DIMMING CONTROL
SW
CAP
LED
GND
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
LED CURRENT (mA)
0
55
EFFICIENCY (%)
60
85
80
3591 TA08b
20
65
70
75
15
510
V
IN
= 3.6V
8 LEDs
Li-Ion Driver for Seven White LEDs Conversion Effi ciency
Li-Ion Driver for Eight White LEDs Conversion Effi ciency
LT3591
15
3591f
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTION
DDB Package
8-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1702 Rev B)
2.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
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
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
0.56 ± 0.05
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
R = 0.05
TYP
2.15 ±0.05
(2 SIDES)
3.00 ±0.10
(2 SIDES)
14
85
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB8) DFN 0905 REV B
0.25 ± 0.05
2.20 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.61 ±0.05
(2 SIDES)
1.15 ±0.05
0.70 ±0.05
2.55 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
PIN 1
R = 0.20 OR
0.25 × 45°
CHAMFER
0.50 BSC

LT3591EDDB#TRMPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers White LED Driver w/ Integrated Schottky in DFN (3x2)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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