參數(shù)資料
型號: TPS61028DRC
廠商: Texas Instruments, Inc.
英文描述: 96% EFFICIENT SYNCHRONOUS BOOST CONVERTER
中文描述: 96%高效同步升壓轉(zhuǎn)換器
文件頁數(shù): 19/27頁
文件大小: 498K
代理商: TPS61028DRC
www.ti.com
PS
C1
L1
TPS61020
GND
VBAT
LBI
EN
SW
VOUT
FB
LBO
PGND
C2
R1
D1
C3
10
μ
F
4.7
μ
H
22
μ
F
10 nF
Input
0.9 V to 6.5 V
List of Components:
U1 = TPS61020DRC
L1 = Sumida CDRH2D16-4R7
C1, C2, C3 = X7R, X5R Ceramic
D1 = White LED
C1
L1
TPS61020
C2
D1
C3
Q1
PS
GND
VBAT
LBI
EN
SW
VOUT
FB
LBO
PGND
10 F
m
4.7 H
m
Input
1.8 V to 6.5 V
List of Components:
U1 = TPS61020DRC
L1 = TDK VLF3010AT 4R7MR70
C1, C2, C3 = X7R, X5R Ceramic
D1 = OSRAM LWW57G
Q1 = Vishay SI1012R
22 H
m
R1
1.5 M
W
R2
200 k
W
2200 pF
Flashlight
Control
TPS61020
,
TPS61024
,
TPS61025
TPS61026, TPS61027, TPS61028
TPS61029
SLVS451D–SEPTEMBER 2003–REVISED FEBRUARY 2006
Figure 25. Power Supply Solution for Powering White LED's With LED Currents Below 150 mA in
Lighting Applications
Figure 26. Simple Power Supply Solution for Powering White LED Flashlights
19
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