- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358845 > LM3500 (National Semiconductor Corporation) Synchronous Step-up DC/DC Converter for White LED PDF資料下載
參數(shù)資料
| 型號： | LM3500 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Synchronous Step-up DC/DC Converter for White LED |
| 中文描述： | 同步降壓型DC / DC轉(zhuǎn)換器，用于白光LED |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 1072K |
| 代理商： | LM3500 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
V
OUT
(LM3500-16)(Note 2)
V
OUT
(LM3500-21)(Note 2)
V
SW
(Note 2)
FB, SHDN, and NC Voltages
Maximum Junction Temperature
Lead Temperature
(Note 3)
ESD Ratings (Note 4)
Human Body Model
Machine Model
0.3V to 7.5V
0.3V to 16V
0.3V to 21V
0.3V to V
OUT
+0.3V
0.3V to 7.5V
150C
300C
2kV
200V
Operating Conditions
Ambient Temperature
(Note 5)
Junction Temperature
Supply Voltage
40C to +85C
40C to +125C
2.7V to 7V
Thermal Properties
Junction to Ambient Thermal
Resistance (
θ
JA
)(Note 6)
75C/W
Electrical Characteristics
Specifications in standard type face are for T
A
= 25C and those in
boldface type
apply over the Operating Temperature
Range of T
A
= 10C to +85C. Unless otherwise specified V
IN
=2.7V and specification apply to both LM3500-16 and LM3500-
21.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 8)
Max
(Note 7)
Units
I
Q
Quiescent Current, Device
Not Switching
Quiescent Current, Device
Switching
Shutdown
Feedback Voltage
Feedback Voltage Line
Regulation
Switch Current Limit
(LM3500-16)
FB
>
0.54V
0.95
1.2
mA
FB = 0V
1.8
2.5
SHDN = 0V
V
IN
= 2.7V to 7V
V
IN
= 2.7V to 7V
0.1
0.5
2
μA
V
V
FB
V
FB
0.47
0.53
0.1
0.4
%/V
I
CL
V
IN
= 2.7V,
Duty Cycle = 80%
V
IN
= 3.0V,
Duty Cycle = 70%
V
IN
= 2.7V,
Duty Cycle = 70%
V
IN
= 3.0V,
Duty Cycle = 63%
FB = 0.5V (Note 9)
275
400
480
mA
255
400
530
Switch Current Limit
(LM3500-21)
420
640
770
450
670
800
I
B
V
IN
R
DSON
FB Pin Bias Current
Input Voltage Range
NMOS Switch R
DSON
PMOS Switch R
DSON
Duty Cycle Limit
(LM3500-16)
Duty Cycle Limit
(LM3500-21)
Switching Frequency
SHDN Pin Current (Note 10)
45
200
7.0
0.43
2.3
nA
V
2.7
V
IN
= 2.7V, I
SW
= 300mA
V
OUT
= 6V, I
SW
= 300mA
FB = 0V
1.1
D
Limit
80
87
%
FB = 0V
85
94
F
SW
I
SD
0.85
1.0
18
9
0.1
1.15
30
16
MHz
SHDN = 5.5V
SHDN = 2.7V
SHDN = GND
μA
L
www.national.com
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM3500TL-16 | Synchronous Step-up DC/DC Converter for White LED |
| LM3500TL-21 | Synchronous Step-up DC/DC Converter for White LED |
| LM3500TLX-21 | Synchronous Step-up DC/DC Converter for White LED |
| LM3500TLX-16 | Synchronous Step-up DC/DC Converter for White LED |
| LM3502SQX-35 | Step-Up Converter for White LED Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3500TL-16 | 制造商:Texas Instruments 功能描述:LED DRVR 3Segment 3.3V/5V 8-Pin uSMD T/R |
| LM3500TL-16/NOPB | 功能描述:LED照明驅(qū)動(dòng)器 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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LM3500TL-16EV | 功能描述:電源管理IC開發(fā)工具 LM3500TL-16 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM3500TL-21 | 制造商:Texas Instruments 功能描述:LED DRVR 3Segment 3.3V/5V 8-Pin uSMD T/R |
| LM3500TL-21/NOPB | 功能描述:LED照明驅(qū)動(dòng)器 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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。