參數(shù)資料
型號： LM2707
廠商： National Semiconductor Corporation
元件分類： LED驅(qū)動器
英文描述： Inductive-Boost Series LED Driver with Programmable Oscillator Frequency
中文描述： 電感式升壓系列LED具有可編程振蕩器頻率驅(qū)動
文件頁數(shù)： 3/19頁
文件大小： 1039K
代理商： LM2707
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
, FB, and EN pins
SW and V
OVP
pins
Continuous Power Dissipation
(T
A
= 25
o
C)
Switch Peak Current
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Soldering)
ESD Rating (Note 4)
Human Body Model:
Machine Model:
-0.3V to 7.5V
-0.3V to 21V
800mW
400mA
150
o
C
-65
o
C to +150
o
C
(Note 3)
2kV
200V
Operating Ratings
(Notes 1, 2)
Input Voltage Range
Minimum C
X
Capacitance
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 5)
2.3V to 7.0V
10pF
-30C to +125C
-30C to +85C
Thermal Properties
Juntion-to-Ambient Thermal
Resistance (
θ
JA
) (Note 6)
125
o
C/W
Electrical Characteristics
(Notes 2, 7)
Unless otherwise specified: V
IN
= 3.0V, L
x
= Open, V
OVP
= Open, V
FB
= GND, C
x
= 300pF, V
EN
= V
IN
, T
A
= 25C.
Symbol
Parameter
Oscillator Frequency Programming (C
x
pin)
I
chg
C
x
Charging Current
V
Cx
= 0.1V, V
FB
= 1V
I
dis
C
x
Discharging Current
V
Cx
= 1.0V, V
FB
= 1V
I
dis
/I
chg
Charge and Discharge Current
Ratio
V
Cx, High
C
x
Threshold Voltage +
V
Cx, Low
C
x
Threshold Voltage -
V
OSC
C
X
Oscillation Voltage
(V
Cx, High
) - (V
Cx, Low
)
Current Limiting Comparator (L
x
pin)
I
LIMIT
Inductor Current Limit
(Note 8)
R
IN
Pin 1-2 Total Resistance
Measured between pin 1 and pin 2
R
SC
Internal Effective Resistance for
Inductor Current Limit Sence
Output Switch Section (SW pin)
V
sw, DS
Output Transistor Drain-to-Source
Voltage
R
DS-ON
Switch ON Resistance
R
DS-ON
= V
sw,DS
÷ I
SW
I
sw,Off
Output Transistor Off Leak Current
V
FB
= 1V, V
SW
= 20V
Feedback Comparator section (FB pin)
V
ref
Reference Voltage
I
FBin
FB Pin Output Current
V
FB
= 0.4V
Shutdown Section (EN pin)
V
EN, High
EN Input Voltage +
ON mode
V
EN, Low
EN Input Voltage -
Shutdown Mode
I
ENin
EN pin Input Bias Current
V
EN
= 3.0V
Condition
Min
Typ
Max
Units
16
35
24
52
2.2
30
65
μA
μA
810
260
520
860
300
560
910
340
600
mV
mV
mV
220
380
260
440
300
300
500
mA
m
m
(Notes 9, 10)
V
Cx
= 0.1V, I
SW
= 200mA
0.12
0.22
V
V
Cx
= 0.1V, I
SW
= 200mA
0.60
1.1
0.01
2.0
μA
0.495
-0.2
0.515
-0.075
0.535
V
μA
1.2
7.0
0.3
40
V
V
μA
25
L
www.national.com
3
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LM2707MF 制造商:Texas Instruments 功能描述:LED DRIVER WHITE POWERWISE SOT-23-8
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LM2707MFX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Inductive-Boost Series LED Driver with Programmable Oscillator Frequency
LM2707MFX/NOPB 功能描述:IC LED DRVR WHITE BCKLGT SOT23-8 RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT
LM2708HTLX-1.57/NOPB 制造商:Texas Instruments 功能描述:
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