參數(shù)資料
型號: TPS61040DRV
廠商: Texas Instruments, Inc.
英文描述: LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES
中文描述: 低功耗DC / DC升壓轉(zhuǎn)換器采用SOT - 23和兒子套票
文件頁數(shù): 16/22頁
文件大?。?/td> 491K
代理商: TPS61040DRV
www.ti.com
V
IN
SW
FB
EN
GND
L1
10
μ
H
D1
C2
1
μ
F
C1
4.7
μ
F
R
S
82
V
CC
= 2.7 V to 6 V
PWM
100 Hz to 500 Hz
D2
24 V
(Optional)
L1:
D1:
C1:
C2:
Murata LQH4C100K04
Motorola MBR0530
Tayo Yuden JMK212BY475MG
Tayo Yuden TMK316BJ105KL
V
IN
SW
FB
EN
GND
L1
10
μ
H
D1
MBRM120L
C2
100 nF
C1
4.7
μ
F
R
S
110
V
CC
= 2.7 V to 6 V
R1
120 k
R2 160 k
Analog Brightness Control
3.3 V
Led Off
0 V
Iled = 20 mA
D2
24 V
(Optional)
L1:
D1:
C1:
C2:
Murata LQH4C3R3M04
Motorola MBR0530
Tayo Yuden JMK212BY475MG
Standard Ceramic Capacitor
TPS61040
TPS61041
SLVS413C–OCTOBER 2002–REVISED AUGUST 2007
Figure 22. White LED Supply With Adjustable Brightness Control
Using a PWM Signal on the Enable Pin, Efficiency Approx. Equals 86% at V
IN
= 3 V, I
LED
= 15 mA
A.
A smaller output capacitor value for C2 causes a larger LED ripple.
Figure 23. White LED Supply With Adjustable Brightness Control
Using an Analog Signal on the Feedback Pin
16
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Copyright 2002–2007, Texas Instruments Incorporated
Product Folder Link(s):
TPS61040 TPS61041
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TPS61040DRVT 功能描述:LED照明驅(qū)動器 28V 400mA Sw Boost Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
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