參數(shù)資料
型號： AAT3174IWP-T1
廠商： Advanced Analogic Technologies, Inc.
英文描述： High Current, High Efficiency Charge Pump
中文描述： 大電流，高效率電荷泵
文件頁數(shù)： 9/14頁
文件大?。?/td> 285K
代理商： AAT3174IWP-T1
AAT3174
High Current, High Efficiency Charge Pump
3174.2006.05.1.2
9
Table 1: Current Level Settings.
The S
2
Cwire interface records rising edges of the
EN/SET pin and decodes them into 16 individual
current level settings with Code 1 reserved for
maximum current. Once EN/SET has been held in
the logic high state for time T
LAT
, the programmed
current is seen at the current source outputs and
the internal data register is reset to 0. For subse-
quent current level programming, the number of
rising edges corresponding to the desired code
must be entered on the EN/SET pin.
When EN/SET is held low for an amount of time
greater than T
OFF
, the AAT3174 enters into shut-
down mode and draws less than 1μA from V
IN
.
Data and address registers are reset to 0 during
shutdown.
Total Output
(% of I
MAX
)
100.0
89.1
79.4
70.8
63.1
56.2
50.1
44.7
39.8
35.5
31.6
28.2
25.1
22.4
20.0
0.0
Data
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
S
2
Cwire Serial Interface Timing
1
EN/SET
2
n-1
n
≤
16
Data Reg
0
n
0
T
HI
T
LO
T
LAT
T
OFF
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