LT3492EFE-TRPBF Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3492EFE-TRPBF Datasheet PDF : 20 Pages
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LT3492
TYPICAL APPLICATIONS
Minimum BOM Buck Mode LED Driver
PVIN
58V
ISP1
330mΩ
ISN1
ISP2
330mΩ
ISN2
ISP3
330mΩ
ISN3
C1-C3
1μF
s3
10 LEDs
0.3A
0.3A
C4
C5
0.22μF 0.22μF
0.3A
C6
0.22μF
L1
33μH
D1
L2
L3
D2 33μH 33μH
D3
VIN
5V
C7
1μF
SW1
ISP1-3
ISN1-3
VIN
PWM1-3
SHDN
SW2
LT3492
GND
C1-C3, C7: MURATA GRM31CR72A105KA01L
C4-C6: MURATA GRM21BR71H224KA01
D1-D3: DIODES B1100
L1-L3: TDK VLF5014AT-330MR50
SW3
TG1-3
VC1-3
VREF
CTRL1-3
FADJ
OVP1-3
150k
10k
49.9k
1.3MHz
470pF
3492 TA07a
300:1 PWM Dimming at 100Hz
PWM
5V/DIV
ILED
0.5A/DIV
IL
0.5A/DIV
5μs/DIV
3492 TA07b
95
90
85
80
75
70
65
60
55
50
0
Efficiency
20
40
60
80 100
PWM DUTY CYCLE (%)
3492 TA07c
3492f
12
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