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參數(shù)資料
| 型號： | AAT3164 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | High Efficiency 1X/1.5X/2X Charge Pump for Six-Channel White LED Applications |
| 中文描述： | 高效率1x/1.5x/2x充電泵為六通道白光LED應(yīng)用 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 397K |
| 代理商： | AAT3164 |
Table 1: Current Level Settings as a
Percentage of the Maximum Level Set by R
SET
.
The built-in S
2
Cwire interface records rising edges of
the EN/SET pin and decodes them into these cur-
rent level settings. S
2
Cwire latches data after the
EN/SET pin has been held high for time T
LAT
. Asep-
arate mode is available for ultra-low LED current
operation. This mode is enabled by setting Data 13
to 16. While the AAT3164 is operating in low current
and 1X mode, the total quiescent current is reduced
to typically 70μA. When EN/SET is held low for an
amount of time longer than T
OFF
(500μs), the
AAT3164 enters shutdown mode and draws less
than 1μA from IN. Data register is reset to 0 during
shutdown.
Auto-Disable Feature
The AAT3164 is equipped with an auto-disable fea-
ture for each LED channel. After the IC is enabled,
a test current of 150μA (typical) is forced through
each sink channel. The LED must develop a for-
ward voltage of 0.8V for the channel to turn on.
This allows individual channels to be disabled by
connecting the respective sink pin to OUT. This
feature is convenient for disabling an unused chan-
nel or protecting against an LED fail short event.
Thermal Protection
The AAT3164 has a built-in thermal protection cir-
cuit that will shut down the charge pump if the die
temperature rises above the thermal limit, as is the
case during a short-circuit of the OUT pin.
Data
All Outputs D1~D6
1
2
3
4
5
6
7
8
9
100%
84%
71%
60%
51%
43%
35%
30%
25%
21%
17%
14%
1.8mA
1mA
530μA
50μA
10
11
12
13
14
15
16
AAT3164
High Efficiency 1X/1.5X/2X Charge Pump for
Six-Channel White LED Applications
3164.2006.07.1.0
9
Figure 1: S
2
Cwire Serial Interface Timing Diagram.
1
EN/SET
2
n - 1
n
≤
16
Data Reg
1
n
0
T
HI
T
LO
T
LAT
T
OFF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3164IRN-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for Six-Channel White LED Applications |
| AAT3166 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| AAT3166IWP-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| AAT3167 | 制造商:AAT 制造商全稱:AAT 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| AAT3167_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
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