參數(shù)資料
型號: TPS61058DRC
廠商: Texas Instruments, Inc.
英文描述: SYNCHRONOUS BOOST CONVERTER WITH DOWN MODE HIGH POWER WHITE LED DRIVER
中文描述: 同步升壓轉(zhuǎn)換器斷電模式高功率白光LED驅(qū)動(dòng)
文件頁數(shù): 19/30頁
文件大?。?/td> 1684K
代理商: TPS61058DRC
www.ti.com
APPLICATION EXAMPLES
CIN
L1
VIN
22 F
4.7 H
2.7 V . . 5.5 V
GND
TPS61058
GND
PVIN
EN
VIN
SW
VOUT
FB
PGND
C1, C2, C3
22
F
x3
D1
C3
Rs
R2
R1
22 k
IOK
R3
56 k
R4
FLASH ON (0/1.8 V)
39 k
1.5
68 k
1 nF
(COG)
R6
5.6 k
List of Components:
L1 = COILCRAFT LPS30154R7
C1,C2, C3 = TDK C2012X5R0J226MTJ
GND
GND
CIN
22 F
L1
TPS61059
PVIN
VIN
EN
SW
VOUT
FB
PGND
C1, C2, C3
22 F
x3
VIN
D1
C4
1nF (COG)
Rs
1.2
R2
List of Components:
L1 = TDK VLF5014AT4R7
C1,C2, C3 = TDK C2012X5R0J226MTJ
MOVIE LIGHT
0
0
1
1
nFLASH
0
1
0
1
ILED
OFF
OFF
FLASHLIGHT
MOVIE LIGHT
R6
IOK
33 k
R4
3.9 k
10 k
R1
22 k
4.7 H
2.7 V . . 5.5 V
R3
75 k
MOVIELIGHT (0/2.8V)
nFLASH (0/2.8V)
R5
4.7 k
C5
100 nF
Note: Before turning into the flashlight mode, the
device to be driven into movielight mode. See the
Design Procedure section for more details.
TPS61058
TPS61059
SLVS572B–APRIL 2005–REVISED DECEMBER 2005
Figure 22. 500 mA Flashlight Application - 1.8 V Logic
Figure 23. 150 mA Movie-Light/600 mA Flashlight Application - 2.8 V Logic
19
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TPS61059 制造商:TI 制造商全稱:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH DOWN MODE HIGH POWER WHITE LED DRIVER
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