參數(shù)資料
型號(hào)： 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)： 2/20頁
文件大?。?/td> 839K
代理商： LT3486EDHC
LT3486
2
3486f
16
15
14
13
12
11
10
9
17
DHC PACKAGE
16-LEAD (5mm
×
3mm) PLASTIC DFN
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
T
JMAX
= 125°C,
θ
JA
= 43°C/W,
θ
JC
= 4°C/W
1
2
3
4
5
6
7
8
SW2
REF
OVP2
SHDN
V
C2
FB2
CTRL2
PWM2
SW1
V
IN
OVP1
R
T
V
C1
FB1
CTRL1
PWM1
Input Voltage (V
IN
) ...................................................25V
S
H
D
N Voltage ..........................................................25V
SW1, SW2 Voltages ................................................40V
OVP1, OVP2 Voltages ...............................................40V
CTRL1, CTRL2 Voltages ...........................................10V
PWM1, PWM2 Voltages ...........................................10V
FB1, FB2 Voltages ....................................................10V
ORDER PART
NUMBER
DHC PART
MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3V, V
CTRL1
= 3V, V
CTRL2
= 3V, V
PWM1
= 3V, V
PWM2
= 3V,
V
SHDN
= 3V, unless otherwise noted.
PARAMETER
CONDITIONS
Minimum Operating Voltage
Maximum Operating Voltage
Feedback Voltage (FB1, FB2)
Offset between FB1 and FB2
V
OS
= |FB1-FB2|
Feedback Pin Bias Current (FB1, FB2)
V
FB1
= V
FB2
= 0.2V (Note 3)
Quiescent Current
V
FB1
= V
FB2
= 1V
S
H
D
N = 0V, CTRL1 = CTRL2 = 0V
Switching Frequency
R
T
= 53.6k
Oscillator Frequency Range
(Note 4)
Nominal R
T
Pin Voltage
R
T
= 53.6k
The
●
denotes the specifications which apply over the full operating
Operating Temperature Range (Note 2) ...–40°C to 85°C
Storage Temperature Range
DFN ..................................................–65°C to 125°C
TSSOP ...............................................–65°C to 150°C
Maximum Junction Temperature ..........................125°C
Lead Temperature (Soldering, 10sec, TSSOP) ......300°C
ORDER PART
NUMBER
FE PART
MARKING
3486EFE
LT3486EFE
SW2
REF
OVP2
SHDN
V
C2
FB2
CTRL2
PWM2
SW1
V
IN
OVP1
R
T
V
C1
FB1
CTRL1
PWM1
FE PACKAGE
16-LEAD PLASTIC TSSOP
EXPOSED PAD IS GND (PIN 17)
MUST BE SOLDERED TO PCB
T
JMAX
= 125°C,
θ
JA
= 38°C/W,
θ
JC
= 10°C/W
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
17
Order Options
Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
http://www.linear.com/leadfree/
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PDF描述
LT3486EFE Dual 1.3A White LED Step-Up Converters with Wide Dimming
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