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AAT3134 Datasheet(PDF) 4 Page - Advanced Analogic Technologies

Part No. AAT3134
Description  High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT3134 Datasheet(HTML) 4 Page - Advanced Analogic Technologies

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Electrical Characteristics
1
V
IN = 3.5V, CIN = COUT = C1 = C2 = 1.0µF; TA = -40°C to +85°C.
Unless otherwise noted, typical values are T
A = 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/SET = 0
1.0
µA
I
DX(MAX)
Maximum Output Current
V
IN = 3.6, Code = 32
18
20
22
mA
I
(D-Match)
Current Matching Between
VD1:D4 = 3.6, V
IN = 3.5V
0.5
%
Any Two Outputs
VD5:VD6 = 3.6, V
IN = 3.5V
0.5
Charge Pump Section
T
SS
Soft-Start Time
200
µs
F
CLK
Clock Frequency
1000
kHz
η
CP
Charge Pump Section Efficiency
V
IN = 3.5V, IOUT(TOTAL) = 120mA,
93
%
Measured from IN to OUT
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
-1.0
1.0
µA
AAT3134
High Efficiency 1X/1.5X Fractional
Charge Pump for White LED Applications
4
3134.2005.12.1.1
1. The AAT3134 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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