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AAT3131 bảng dữ liệu(PDF) 4 Page - Advanced Analog Technology, Inc.

tên linh kiện AAT3131
Giải thích chi tiết về linh kiện  High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
PDF  14 Pages
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nhà sản xuất  AAT [Advanced Analog Technology, Inc.]
Trang chủ  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3131 bảng dữ liệu(HTML) 4 Page - Advanced Analog Technology, Inc.

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Electrical Characteristics
1
V
IN = 3.5V, CIN = COUT = C1 = C2 = 1.0µF; TA = -40 to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
Input Power Supply
V
IN
Operation Range
2.7
5.5
V
I
CC
Operating Current
3.0
≤ V
IN ≤ 5.5, Active,
1.8
3.5
mA
No Load Current
I
SHDN
Shutdown Current
EN = 0
1.0
µA
I
DX
Maximum Output Current
3.0
≤ V
IN ≤ 5.5
18
20
22
m
A
D1 to D3
I
DX
Maximum Output Current D4
3.0
≤ V
IN ≤ 5.5
27
30
33
mA
I
(D-Match)
Current Matching Between
VD1:D3 = 3.6, V
IN = 3.3V
0.5
%
Any Two Outputs
η
CP
Charge Pump Section Efficiency
V
IN = 3.5V, IOUT(TOTAL) = 90mA,
93
%
Measured from IN to OUT
Charge Pump Section
T
SS
Soft-Start Time
200
µs
F
CLK
Clock Frequency
1000
kHz
EN/SET
V
EN(L)
Enable Threshold Low
0.5
V
V
EN(H)
Enable Threshold High
1.4
V
T
EN/SET LO
EN/SET Low Time
V
EN/SET < 0.5
0.3
75
µs
T
EN/SET HI
Minimum EN/SET High Time
V
EN/SET > 1.4
50
ns
T
OFF
EN/SET Off Timeout
V
EN/SET < 0.5
500
µs
Input Current
EN/SET Input Leakage
-1
1
µA
AAT3131
High Efficiency 1X/1.5X Fractional
Charge Pump for White LED Applications
4
3131.2005.12.1.2
1. The AAT3131 is guaranteed to meet performance specifications over the -40 to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.



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