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LT3496EUFD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LT3496
13
3496ff
typical applications
Minimum BOM Buck Mode LED Driver
300:1 PWM Dimming at 120Hz Efficiency
0.3A
C4
0.22µF
C5
0.22µF
C6
0.22µF
LED1
330mΩ 330mΩ
PV
IN
42V
7 LEDs
L1
15µH
L2
15µH
L3
15µH
CAP1
0.3A
LED2
CAP2
0.3A
LED3
C1-C3
1µF
s3
330mΩ
22k
470pF
3496 TA07a
CAP3
SW1
D1 D2 D3
OPEN
SW2
LT3496
GND
SW3
TG1, TG2, TG3
VC1, VC2, VC3
V
REF
CTRL1, CTRL2, CTRL3
f
ADJ
OVP1, OVP2, OVP3
CAP1, CAP2, CAP3
LED1, LED2, LED3
V
IN
PWM1, PWM2, PWM3
SHDN
PWM1, PWM2, PWM3
SHDN
V
IN
3V
C7
1µF
C1-C3, C7: MURATA GRM31MR71H105KA88
C4-C6: MURATA GRM21BR71H224KA01
D1-D3: DIODES DFLS160
L1-L3: TAIYO YUDEN NP04SZB 150M
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.5A/DIV
5µs/DIV
3496 TA07b
I
LED
(mA)
0
75
EFFICIENCY (%)
80
85
90
95
100
50
100 150 200
3496 TA07c
250 300
PWM = 3V
CTRL = 0V TO 1.2V
LT3496
14
3496ff
3000:1 PWM Dimming at 120Hz
PWM
5V/DIV
I
L
0.5A/DIV
I
LED
0.1A/DIV
0.5µs/DIV
3496 TA03b
typical applications
Triple Boost 100mA × 10 LED Driver
Efficiency vs PWM Duty Cycle
10 LEDs
C2
1µF
C3
1µF
C4
1µF
PV
IN
12V
100mA
825k
20k
OVP1
LED1
TG1
1Ω
470pF
3496 TA03a
L1
10µH
L2
10µH
L3
10µH
CAP1
D1 D2 D3
M1 M2 M3
SW1 SW2
LT3496
GND
SW3
TG1, TG2, TG3
OVP1, OVP2, OVP3
VC1, VC2, VC3
V
REF
f
ADJ
CTRL1, CTRL2, CTRL3
CAP1, CAP2, CAP3
LED1, LED2, LED3
V
IN
PWM1, PWM2, PWM3
SHDN
PWM1, PWM2, PWM3
SHDN
V
IN
3V
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: DIODES DFLS160
L1-L3: TAIYO YUDEN NP04SZB 100M
M1-M3: ZETEX ZXMP6A13F
C5
1µF
10 LEDs
100mA
825k
20k
OVP2
LED2
TG2
1Ω
CAP2
10 LEDs
100mA
825k
20k
OVP3
10k
LED3
TG3
1Ω
CAP3
C1
2.2µF
PWM DUTY CYCLE (%)
0
50
EFFICIENCY (%)
55
65
70
75
40
80
100
95
3496 TA03d
60
20 60
80
85
90
CTRL = 2V
LT3496
15
3496ff
typical applications
Dual Boost LED Driver
Triple Boost 20mA × 8 LED Driver
C2
1µF
C3
1µF
C4
1µF
PV
IN
12V
LED1
M1
1Ω
470pF
OPEN
3496 TA04
L1
10µH
L2
10µH
L3
10µH
CAP1
D1 D2 D3
SW1 TG1 SW2
LT3496
GND
SW3 TG2
OVP1, OVP2, OVP3
TG3
VC1, VC2, VC3
V
REF
f
ADJ
CTRL1, CTRL2, CTRL3
CAP1, CAP2, CAP3
LED1, LED2, LED3
V
IN
PWM1, PWM2, PWM3
SHDN
PWM
SHDN
V
IN
3V TO 12V
C5
1µF
C1
2.2µF
LED2
1Ω
CAP2
10 LEDs
200mA
20k
OVP2-3
10k
LED3
M2
1Ω
CAP3
10 LEDs
100mA
825k
825k
20k
OVP1
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: DIODES DFLS160
L1-L3: TAIYO YUDEN NP04SZB 100M
M1, M2: ZETEX ZXMP6A13F
8 LEDs
C2
1µF
C3
1µF
C4
1µF
PV
IN
5V
20mA
825k
20k
OVP1
LED1
TG1
5Ω
470pF
3496 TA08a
L1
22µH
L2
22µH
L3
22µH
CAP1
D1 D2 D3
M1 M2 M3
SW1 SW2
LT3496
GND
SW3
TG1, TG2, TG3
OVP1, OVP2, OVP3
VC1, VC2, VC3
CAP1, CAP2, CAP3
LED1, LED2, LED3
V
IN
PWM1, PWM2, PWM3
SHDN
PWM1, PWM2, PWM3
SHDN
V
IN
5V
C1: MURATA GRM31MR71C225KA35
C2-C5: MURATA GRM31MR71H105KA88
D1-D3: ZETEX ZLLS350
L1-L3: TAIYO YUDEN NP04SZB 220M
M1-M3: ZETEX ZXMP6A13F
C5
1µF
8 LEDs
20mA
825k
20k
OVP2
LED2
TG2
5Ω
CAP2
8 LEDs
20mA
825k
82k
OVP3
20k
10k
20k
LED3
TG3
5Ω
CAP3
C1
2.2µF
V
REF
CTRL1, CTRL2, CTRL3
f
ADJ
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LT3496EUFD#PBF

Mfr. #:
Buy LT3496EUFD#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers High Current, 45V, 2.1MHz Triple Output LED Driver in 4x4 QFN
Lifecycle:
New from this manufacturer.
Delivery:
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