參數(shù)資料
型號： LT3486EDHC
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： Dual 1.3A White LED Step-Up Converters with Wide Dimming
中文描述： 1.3 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 5 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WJED-1, DFN-16
文件頁數(shù)： 20/20頁
文件大?。?/td> 839K
代理商： LT3486EDHC
LT3486
20
3486f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT/TP 0705 500 PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
12V to 8/8 White LEDs
LED Current and Efficiency
vs PWM Duty Cycle
3486 TA10a
12V (TYP)
9V TO 15V
C
OUT1
2.2
F
C
OUT2
2.2
F
100mA
PWM
FREQ
1kHz
R
FB1
2
R
FB2
2
100mA
OFF ON
D1
Q1
100k
100k
3.65k
3.65k
21.5k
Q2
5V
D2
C
IN
10
μ
F
C1 1
μ
F
L1
10
μ
H
L2
10
μ
H
V
IN
V
IN
DIMMING
INPUT 1
DIMMING
INPUT 2
2.2nF
22pF
2.2nF
LUXEON
LEDs
LXCL-PWF1
LUXEON
LEDs
LXCL-PWF1
C
OUT1
, C
OUT2
: 35V, X5R OR X7R
C
C1: 10V, X5R OR X7R
C
REF
: 6.3V, X5R OR X7R
C
REF
0.1
μ
F
V
C1
V
C2
R
T
SW1
SW2
OVP2
V
IN
LT3486
CTRL2
REF
PWM2
FB2
OVP1
CTRL1
SHDN
PWM1
FB1
PWM
FREQ
1kHz
D1, D2: ZETEX ZLLS1000
L1, L2: TOKO D53LC (TYPE A)
Q1, Q2: FAIRCHILD FDN5630
PWM DUTY CYCLE (%)
0
60
E
L
65
70
75
80
85
90
0
20
40
60
80
100
120
20
40
60
80
3486 TA10b
100
EFFICIENCY
LED CURRENT
V
= 12V
8/8 LEDs
PART NUMBER
LT1618
LT1932
LT1937
LTC3200
LTC3200-5
LTC3201
LTC3202
LTC3205
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
LT3466
Dual Full Function White LED Boost Regulator with Integrated
Schottky Diode
DESCRIPTION
Constant Current, Constant Voltage 1.24MHz, High Efficiency
Boost Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Low Noise, 2MHz, Regulated Charge Pump White LED Driver
MS Package
Low Noise, 2MHz, Regulated Charge Pump White LED Driver
ThinSOT Package
Low Noise, 1.7MHz, Regulated Charge Pump White LED Driver
MS Package
Low Noise, 1.5MHz, Regulated Charge Pump White LED Driver
MS Package
High Efficiency, Multidisplay LED Controller
COMMENTS
Up to 16 White LEDs, V
IN
: 1.6V to 18V, V
OUT(MAX)
= 34V,
I
Q
= 1.8mA, I
SD
< 1μA, MS Package
Up to 8 White LEDs, V
IN
: 1V to 10V, V
OUT(MAX)
= 34V,
I
Q
= 1.2mA, I
SD
< 1μA, ThinSOT
Up to 4 White LEDs, V
IN
: 2.5V to 10V, V
OUT(MAX)
= 34V,
I
Q
= 1.9mA, I
SD
< 1μA, ThinSOT, SC70 Packages
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 8mA, I
SD
< 1μA,
TM
Package
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 8mA, I
SD
< 1μA,
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 6.5mA, I
SD
< 1μA,
Up to 8 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 5mA, I
SD
< 1μA,
Up to 4 (Main), 2 (Sub) and RGB, V
IN
: 2.8V to 4.5V,
I
Q
= 50μA, I
SD
< 1μA, QFN-24 Package
Up to Six White LEDs, V
IN
: 2.7V to 16V, V
OUT(MAX)
= 34V,
I
Q
= 1.9mA, I
SD
< 1μA, ThinSOT Package
Drives Up to 20 LEDs, V
IN
: 2.7V to 24V, V
OUT(MAX)
= 40V,
I
Q
= 5mA, I
SD
< 16μA, DFN Package
相關PDF資料
PDF描述
LT3486EFE Dual 1.3A White LED Step-Up Converters with Wide Dimming
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LT3524N Regulating Pulse Width Modulator
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相關代理商/技術參數(shù)
參數(shù)描述
LT3486EDHC#PBF 功能描述:IC LED DRIVR WHITE BCKLGT 16-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅動器 系列:- 標準包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓撲:開路漏極，PWM 輸出數(shù):4 內部驅動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應商設備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
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