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LP8545 データシート(PDF) 3 Page - Texas Instruments

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部品番号 LP8545
部品情報  High-Efficiency LED Backlight Driver for Notebooks
PDF  44 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LP8545 データシート(HTML) 3 Page - Texas Instruments

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PIN 1 ID
1
24
7
18
19
20
21
22
23
2
3
4
5
6
8
9
10
11
12
13
14
15
16
17
FAULT
VDDIO
GND_S
SCLK
SDA
OUT1
VSYNC
FILTER
FB
VLDO
VIN
SW
PIN 1 ID
1
24
7
18
19
20
21
22
23
2
3
4
5
6
8
9
10
11
12
13
14
15
16
17
FAULT
VDDIO
GND_S
SCLK
SDA
OUT1
VSYNC
FILTER
FB
VLDO
VIN
SW
MCU
LP8545
SW
FB
VLDO
GNDs
EN
ISET
VDDIO
PWM
SCLK
SDA
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
L1
D1
Up to 55V
5.5V ± 22V
FILTER
FSET
33 éH
VSYNC
COUT
CIN
10 éF
2 x 2.2 éF
(100V)
VDDIO reference voltage
VSYNC signal
120 k
#
100 nF
1 éF
FAULT
Can be left floating
if not used
GD
39 pF
63.4 k
#
59 k
#
VIN
5V
CVLDO
1 éF
RISET
RFSET
VBATT
R1
R2
T1
LP8545
www.ti.com
SNVS635D – APRIL 2010 – REVISED DECEMBER 2013
Typical Application for High Output Voltage (3)
Connection Diagrams
Figure 1. Package Number RTW0024A
Figure 2. Package Number RTW0024A
Top View
Bottom View
Copyright © 2010–2013, Texas Instruments Incorporated
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