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參數(shù)資料
| 型號(hào)： | LM3520 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | Integrated White LED Driver with Organic LED Display Power Supply |
| 中文描述： | 集成白光LED有機(jī)LED顯示屏驅(qū)動(dòng)電源 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 963K |
| 代理商： | LM3520 |
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
O_MAIN
V
SW
0.3V to +7.5V
0.3V to +25V
0.3V to V
OUT
+0.3V
Main_FB, Main_RTN
MAIN_EN, PFM_EN &
SUB_EN(Note 2)
Continuous Power Dissipation
(Note 3)
Maximum Junction Temperature
(T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Soldering, 10 sec)
0.3V to +7.5V
0.3V to +7.5V
Internally Limited
+150C
65C to +150C
+265C
ESD Rating (Note 4)
Human Body Model:
Machine Model:
2.0 kV
200V
Operating Ratings
Input Voltage Range
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 3)
2.7V to 5.5V
40C to +125C
40C to +85C
Thermal Properties
Junction-to-Ambient Thermal Resistance (
θ
JA)
,
Leadless Lead frame Package (Note 5)
55C/W
Electrical Characteristics
(Notes 6, 7)
type apply over the full operating junction temperature range (40C
≤
= T
J
≤
+125C). Unless otherwise noted: specifications
apply to the LM3520. V
IN
= 3.6V, V(En)
>
1.0V, C
IN
= 10 μF (Note 8).
Limits in standard typeface are for T
J
= +25C. Limits in
boldface
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Enable
Threshold
MAIN_EN = low
SUB_EN = low
MAIN_EN = high
SUB_EN = high
PFM_EN = low
PFM_EN = high
Enable Pin Current
0.3
V
0.95
0.3
V
0.95
I
EN
MAIN_EN = 3.6V (Note 10)
SUB_EN = 3.6V (Note 10)
PFM_EN = 3.6V
MAIN_FB
>
0.5V
3
3
3
5
5
5
μA
I
Q
Quiescent Current, Device Not
Switching (PWM mode)
Quiescent Current, Device Not
Switching (PFM mode)
Quiescent Current, Device
Switching
Power Off Current (Shutdown)
0.5
1.3
mA
SUB_FB
>
1.0V
0.25
0.45
MAIN_FB = 0V or SUB_FB =
0V (open loop)
MAIN_EN = low
SUB_EN = low
PFM_EN = low
V
IN
= 3.6V
V
IN
= 3.6V
MAIN_FB = 0.5V (Note 9)
SUB_FB = 1.0V (Note 9)
V
MAIN_FB
= 0V, V
IN
= 3.6V
I
SW
= 300 mA
I
PMOS
= 20 mA
I
Main_RTN
= 30 mA
V
Main_RTN
= 0.5V, V
IN
= 3.6V
V
FB
= 0V, V
IN
= 3.6V
V
IN
= 3.6V
V
SW
= 24V
1.75
4.5
0.1
2
μA
V
FB
Feedback Voltage (MAIN_FB)
Feedback Voltage (SUB_FB)
FB Pin Leakage Current
FB Pin Bias Current
Switch Current Limit
Main_Switch R
DS
(ON), N1
PMOS Switch R
DS
(ON), P1
MAIN_RTN R
DS
(ON), N2
0.455
1.18
0.5
1.23
10
50
0.7
0.5
3
3
0.545
1.28
V
I
B
nA
I
Current Limit
R
DS
(ON)
0.518
0.917
A
I
main_RTN_leakage
Main_RTN Leakage Current
D
Limit
Duty Cycle Limit at PWM & PFM
F
SW
Switching Frequency
I
Leak
Switch Leakage Current
0.2
μA
%
MHz
μA
90
1.1
0.01
0.8
1.4
0.5
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3520_0509 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated White LED Driver with Organic LED Display Power Supply |
| LM3520B WAF | 制造商:Texas Instruments 功能描述: |
| LM3520SD | 制造商:Texas Instruments 功能描述:WLED/OLED DRIVER POWERWISE LLP-14 |
| LM3520SD | 制造商:Texas Instruments 功能描述:IC WLED/DISPLAY DRIVER POWERWISE |
| LM3520SD/NOPB | 功能描述:IC LED DRVR WT/OLED BCKLGT 14LLP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)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(dòng)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 |
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