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參數(shù)資料
| 型號(hào)： | AAT3132ITP-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | High Efficiency 1.5X Fractional Charge Pump for White LED Applications |
| 中文描述： | 高效率1.5倍分?jǐn)?shù)電荷泵白光LED應(yīng)用 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 231K |
| 代理商： | AAT3132ITP-T1 |
Electrical Characteristics
1
V
IN
= 3.5V, C
IN
= C
OUT
= C
1
= C
2
= 1.0μF; T
A
= -40°C to +85°C, unless otherwise noted.
Typical values are T
A
= 25°C.
Symbol
Input Power Supply
V
IN
Description
Conditions
Min
Typ
Max
Units
Operation Range
2.7
5.5
V
I
CC
Operating Current
3.0
≤
V
IN
≤
5.5, Active,
No Load Current
EN = 0
3.0
≤
V
IN
≤
5.5
T
A
= 25°C AAT3132-1
T
A
= 25°C AAT3132
VD1:D3 = 3.6, V
IN
= 3.3V
1.8
3.5
mA
I
SHDN
I
DX
Shutdown Current
Maximum Output Current D1 to D3
1.0
22
27.5
33
μA
mA
18
22.5
27
20
25
30
I
DX
Maximum Output Current D4
mA
I
(D-Match)
Current Matching Between
Any Two Outputs
0.5
%
η
CP
Charge Pump Section Efficiency
V
IN
= 3.5V, I
OUT(TOTAL)
= 90mA,
Measured from IN to OUT
93
%
Charge Pump Section
T
SS
F
CLK
EN/SET
V
EN(L)
V
EN(H)
T
EN/SET LO
T
EN/SET HI
T
OFF
Input Current EN/SET Input Leakage
Soft-Start Time
Clock Frequency
200
1000
μs
kHz
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
EN/SET Off Timeout
0.5
V
V
μs
ns
μs
μA
1.4
0.3
V
EN/SET
< 0.5
V
EN/SET
> 1.4
V
EN/SET
< 0.5
75
50
500
1
-1
AAT3132/32A
High Efficiency 1.5X Fractional Charge
Pump for White LED Applications
4
3132.2005.12.1.4
1. The AAT3132/32A is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is
assured by design, characterization, and correlation with statistical process controls.
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