參數(shù)資料
型號(hào)： LM3501
廠商： National Semiconductor Corporation
英文描述： Synchronous Step-up DC/DC Converter for White LED Applications
中文描述： 同步升壓直流/直流轉(zhuǎn)換器，用于白光LED應(yīng)用
文件頁數(shù)： 4/18頁
文件大小： 1039K
代理商： LM3501
Electrical Characteristics
(Continued)
Specifications in standard type face are for T
= 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 specifications apply to both LM3501-16 and
LM3501-21.
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 7)
1.8
1
0.1
10
4
Max
(Note 6)
4
2.5
Units
I
SD
SHDN Pin Current (Note 9)
SHDN = 5.5V
SHDN = 2.7V
SHDN = GND
V
CNTRL
= 2.7V
V
CNTRL
= 1V
V
SW
= 15V
μA
I
CNTRL
CNTRL Pin Current (Note 9)
20
15
μA
I
L
Switch Leakage Current
(LM3501-16)
Switch Leakage Current
(LM3501-21)
Input Undervoltage Lockout
0.01
0.5
μA
V
SW
= 20V
0.01
2.0
UVP
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
V
OUT
= 15V, SHDN = 1.5V
2.4
2.3
15
14
20
19
2.5
2.4
15.5
14.6
20.5
19.5
2.6
2.5
16
15
21
20
V
OVP
Output Overvoltage Protection
(LM3501-16)
V
Output Overvoltage Protection
(LM3501-21)
V
I
Vout
V
OUT
Bias Current
(LM3501-16)
V
OUT
Bias Current
(LM3501-21)
PMOS Switch Leakage Current
(LM3501-16)
PMOS Switch Leakage Current
(LM3501-21)
260
400
μA
V
OUT
= 20V, SHDN = 1.5V
300
460
I
VL
V
OUT
= 15V, V
SW
= 0V
0.01
3
μA
V
OUT
= 20V, V
SW
= 0V
0.01
3
CNTRL
Threshold
LED power off
LED power on
75
125
0.65
0.65
mV
SHDN
Threshold
Specifications in standard type face are for T
= 25C and those in
boldface type
apply over the full
Operating Temperature
Range (T
= 40C to +125C)
. Unless otherwise specified V
IN
=2.7V and specifications apply to both LM3501-16 and
LM3501-21.
SHDN low
SHDN High
0.3
V
1.1
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 7)
Max
(Note 6)
Units
I
Q
Quiescent Current, Device Not
Switching
Quiescent Current, Device
Switching
Shutdown
Feedback Voltage
FB
>
0.54V
0.95
1.2
mA
FB = 0V
2
2.5
SHDN = 0V
CNTRL = 2.7V, V
IN
= 2.7V to 7V
CNTRL = 1V, V
IN
= 2.7V to 7V
V
IN
= 2.7V to 7V
0.1
0.515
0.19
2
μA
V
FB
0.485
0.14
0.545
0.24
V
V
FB
Feedback Voltage Line
Regulation
Switch Current Limit
(LM3501-16)
Switch Current Limit
(LM3501-21)
FB Pin Bias Current
Input Voltage Range
0.1
0.5
%/V
I
CL
V
IN
= 3.0V,
Duty Cycle = 70%
V
IN
= 3.0V,
Duty Cycle = 63%
FB = 0.5V (Note 8)
400
mA
670
I
B
V
IN
45
200
7.0
nA
V
2.7
L
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相關(guān)PDF資料
PDF描述
LM3501TLX-21 Synchronous Step-up DC/DC Converter for White LED Applications
LM3501TL-21 Synchronous Step-up DC/DC Converter for White LED Applications
LM3501TLX-16 PUBLICATIONS, BOOKS RoHS Compliant: NA
LM3519 High Frequency Boost White LED Driver with High-Speed PWM Brightness Control
LM3519MK-20 High Frequency Boost White LED Driver with High-Speed PWM Brightness Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3501TL-16 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Up 2.7V to 7V 8-Pin uSMD T/R 制造商:Texas Instruments 功能描述:IC, WHITE LED DRIVER, POWERWISE 制造商:Texas Instruments 功能描述:Display Driver,4LED,LM3501TL-16
LM3501TL-16/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
LM3501TL-16EV 功能描述:電源管理IC開發(fā)工具 LM3501TL-16 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3501TL-21 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Step-up DC/DC Converter for White LED Applications
LM3501TL-21/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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