參數(shù)資料
型號： AAT3123A
廠商： Advanced Analog Technology,lnc.
英文描述： High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
中文描述： 高效率電荷泵分?jǐn)?shù)電荷泵白光LED應(yīng)用
文件頁數(shù)： 4/18頁
文件大?。?/td> 325K
代理商： AAT3123A
AAT3123/23A/24
High Efficiency 1X/1.5X Fractional Charge
Pump for White LED Applications
4
3123.2005.12.1.4
Electrical Characteristics
1
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,
V
IN
= 3.5V.
Symbol
Input Power Supply
V
IN
I
cc
Description
Conditions
Min
Typ
Max
Units
Operation Range
Operating Current
2.7
5.5
3.5
V
3.0
≤
V
IN
≤
5.5, Active,
No Load Current
EN = 0
V
IN
=
3.5V, Code = 32, T
A
= 25°C
VD1:D4 = 3.6V, V
IN
= 3.5V
VD5:VD6 = 3.6V, V
IN
= 3.5V
V
IN
= 3.5V, I
OUT(TOTAL)
= 120mA,
Measured from IN to OUT
1.8
mA
I
SHDN(MAX)
I
DX
I
(D-Match)
Shutdown Current
Output Current
Current Matching Between Any
Two Outputs
Charge Pump Section Efficiency
1
22
μA
mA
18
20
0.5
0.5
93
%
η
CP
%
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
Soft-Start Time
Clock Frequency
200
1000
μs
kHz
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minumum EN/SET High Time
EN/SET Off Timeout
EN/SET Input Leakage
V
IN
= 2.7V to 5.5V
V
IN
= 2.7V to 5.5V
0.5
V
V
μs
ns
μs
μA
1.4
0.3
75
50
500
1
-1
1. The AAT3123/4 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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AAT3123AITP-20-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
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AAT3124ISN-20-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
AAT3124ITO-20-T1 制造商:Skyworks Solutions Inc 功能描述:1.5X, 1X WH LED CHPMP, 14TSOPJW TR 制造商:Skyworks Solutions Inc 功能描述:Voltage Regulators - Switching Regulators 1X/1.5X Fract Charge Pumps 4 WLED Apps 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC
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