LT3477 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LT3477 Datasheet PDF : 20 Pages
| |||
TYPICAL APPLICATIO S
Buck-Boost Mode LED Driver
LED2 LED1
VIN
2.7V TO 10V
C1
3.3µF
LED BRIGHTNESS
CONTROL
0mV TO 650mV
SHDN
L1
4.7µH
D1
ISP1
VIN
IADJ1
IADJ2
SHDN
ISN1
SW1
FBN
LT3477
ISP2
R3
200k
R1
0.1Ω
CC
10nF
VC
VREF
FBP
GND
ISN2
RT
SS
C3
R2 R4
33nF 18k 10k
C2
4.7µF
C1: TAIYO YUDEN LMK316BJ335ML
C2: MURATA GRM31CR71E475KA88L
D1: DIODES, INC. B320A
L1: TOKO FDV0630-4R7M
3477 TA06a
LT3477
Efficiency
90
85
VIN = 8V
80
75
VIN = 4.2V
70
65
60
55
50
0
0.2
0.4
0.6
0.8 1.0
IOUT (A)
3477 TA06b
VIN (V)
2.7
3.6
4.2
5
8
IOUT (A)
0.57
0.74
0.83
0.93
1.0
3477fb
17
Share Link: 