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參數(shù)資料
| 型號： | LP5521TMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Programmable Three Channel LED Driver |
| 中文描述： | LED DISPLAY DRIVER, PBGA20 |
| 封裝： | 2.10 X 1.70 MM, 0.60 MM HEIGHT, 0.40 MM PITCH, LEAD FREE, MICRO SMD-20 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 247K |
| 代理商： | LP5521TMX |
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(V
DD
, V
OUT
, R, G, B)
Voltage on Logic Pins
-0.3V to +6.0V
-0.3V to V
DD
+0.3V
with 6.0V max
Internally Limited
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Soldering)
ESD Rating (Note 5)
Human Body Model:
Machine Model:
125°C
-65°C to +150°C
(Note 4)
2 kV
200V
Operating Ratings
(Notes 1, 2)
V
DD
Recommended Charge Pump
Load Current I
OUT
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 6)
Thermal Properties
Junction-to-Ambient Thermal
Resistance (
θ
JA
), TMD20 Package
(Note 7)
Junction-to-Ambient Thermal
Resistance (
θ
JA
), YQA24A Package
(Note 7)
2.7 to 5.5V
0 to 100 mA
-30°C to +125°C
-30°C to +85°C
50 - 90°C/W
37 - 90°C/W
Electrical Characteristics
(Notes 2, 8)
Limits in standard typeface are for T
J
= 25°C. Limits in
boldface
type apply over the operating ambient temperature range (-30°C
< T
A
< +85°C). Unless otherwise noted, specifications apply to the LP5521 Block Diagram with: 2.7V
≤
V
DD
≤
5.5V, C
OUT
= C
IN
=
1 μ
F, C
FLY1
= C
FLY2
= 0.47 μ
F. (Note 9).
Symbol
Parameter
Condition
I
VDD
Standby supply
current
running
EN = 1 (pin), CHIP_EN = 0 (bit), external 32 kHz clock not running
Min
Typ
0.2
Max
2
Units
μ
A
EN = 0 (pin), CHIP_EN = 0 (bit), external 32 kHz clock running or not
1.0
μ
A
μ
A
mA
mA
mA
mA
μ
A
mA
EN = 1 (pin), CHIP_EN = 0 (bit), external 32 kHz clock running
1.4
Normal mode
supply current
Charge pump and LED drivers disabled
Charge pump in 1x mode, no load, LED drivers disabled
Charge pump in 1.5x mode, no load, LED drivers disabled
Charge pump in 1x mode, no load, LED drivers enabled
External 32 kHz clock running
0.25
0.70
1.5
1.2
10
Powersave mode
supply current
Internal oscillator running
0.25
f
OSC
Internal oscillator
frequency accuracy
-4
-7
4
7
%
Charge Pump Electrical Characteristics
(Note 10)
Symbol
Parameter
Condition
Min
Typ
3.5
1
1.25
Max
Units
MHz
%
mA
mA
R
OUT
Charge pump output resistance
Gain = 1.5x
Gain = 1x
f
SW
Switching frequency
-7
7
I
GND
Ground current
Gain = 1.5x
Gain = 1x
V
DD
= 3.6V, CHIP_EN = H
I
OUT
= 60 mA
V
DD
= 3.6V, no load, Gain = 1.5x
1.2
0.5
t
ON
V
OUT
turn-on time from charge pump
off to 1.5x mode
100
μ
s
V
OUT
Charge pump output voltage
4.55
V
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP5521TMX/NOPB | 功能描述:LED照明驅(qū)動器 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 |
| LP5521YQ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable Three Channel LED Driver |
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| LP5521YQ/S7002688 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LP5521YQX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable Three Channel LED Driver |
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