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參數(shù)資料
| 型號： | LP3944ISQX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | RGB/White/Blue 8-LED Fun Light Driver |
| 中文描述： | LED DISPLAY DRIVER, QCC24 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 249K |
| 代理商： | LP3944ISQX |
Absolute Maximum Ratings
(Notes 2,
1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
DD
A0, A1, A2, SCL, SDA, RST
(Collectively called digital pins)
Voltage on LED pins
Junction Temperature
Storage Temperature
Power Dissipation (Note 3)
ESD (Note 4)
0.5V to 6V
6V
V
SS
0.5V to 6V
150C
65C to 150C
1.76W
Human Body Model
Machine Model
Charge Device Model
2 kV
150V
1 kV
Operating Ratings
(Notes 1, 2)
V
DD
Junction Temperature
Operating Ambient Temperature
Thermal Resistance (
θ
JA
)
LLP24 (Note 3)
Power Dissipation
2.3V to 5.5V
40C to +125C
40C to +85C
37C/W
1.08W
Electrical Characteristics
Unless otherwise noted, V
DD
= 5.5V. Typical values and limits appearing in normal type apply for T
J
= 25C. Limits appearing
in
boldface
type apply over the entire junction temperature range for operation, T
J
= 40C to +125C. (Note 5)
Symbol
Parameter
Conditions
Typical
Limit
Units
Min
Max
POWER SUPPLY
V
DD
I
Q
Supply Voltage
Supply Current
5
2.3
5.5
550
5
V
No Load
Standby
V
DD
= 5.5V, every LED pin
at 4.3V
350
2.0
μA
I
Q
Additional Standby Current
2
mA
V
POR
t
w
LED
V
IL
V
IH
I
OL
Power-On Reset Voltage
Reset Pulse Width
1.8
10
1.96
V
ns
LOW Level Input Voltage
HIGH Level Input Voltage
Low Level Output Current
(Note 6)
0.5
2.0
0.8
5.5
V
V
V
OL
= 0.4V, V
DD
= 2.3V
9
mA
V
OL
= 0.4V, V
DD
= 3.0V
V
OL
= 0.4V, V
DD
= 5.0V
V
OL
= 0.7V, V
DD
= 2.3V
V
OL
= 0.7V, V
DD
= 3.0V
V
OL
= 0.7V, V
DD
= 5.0V
V
DD
= 3.6, V
IN
= 0V or V
DD
(Note 7)
12
15
15
20
25
1
I
LEAK
C
I/O
ALL DIGITAL PINS (EXCEPT SCL AND SDA PINS)
V
IL
LOW Level Input Voltage
V
IH
HIGH Level Input Voltage
I
LEAK
Input Leakage Current
C
IN
Input Capacitance
I
2
C INTERFACE (SCL AND SDA PINS)
V
IL
LOW Level Input Voltage
V
IH
HIGH Level Input Voltage
V
OL
LOW Level Output Voltage
I
OL
LOW Level Output Current
F
CLK
Clock Frequency
t
HOLD
Hold Time Repeated START
Condition
Input Leakage Current
Input/Output Capacitance
1
5
μA
pF
2.6
0.5
2.0
1
0.8
5.5
1
5
V
V
μA
pF
V
IN
= 0V (Note 7)
2.3
-0.5
0.7V
DD
0
3
0.3V
DD
5.5
0.2V
DD
V
V
V
V
OL
= 0.4V
(Note 7)
(Note 7)
6.5
mA
kHz
400
0.6
μs
L
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| LP3944ISQX/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 |
| LP3945 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Battery Charge Management System |
| LP3945ILD | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Battery Charge Management System |
| LP3945ILDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Battery Charge Management System |
| LP3945LD | 功能描述:IC MANAGEMENT BATT CHARGE 14-LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
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