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AAT3153 Datasheet(PDF) 4 Page - Advanced Analog Technology, Inc.

Part # AAT3153
Description  High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
PDF  14 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3153 Datasheet(HTML) 4 Page - Advanced Analog Technology, Inc.

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Electrical Characteristics
1
C
IN = COUT = C1 = C2 = 1.0µF; TA = -40°C to +85°C, unless otherwise noted.
Typical values are T
A = 25°C, VIN = 3.6V.
Symbol
Description
Conditions
Min
Typ
Max
Units
Input Power Supply
V
IN
Operation Range
2.7
5.5
V
1X Mode, 3.0
≤ V
IN ≤ 5.5, Active,
0.3
1
No Load Current
1.5X Mode, 3.0
≤ V
IN ≤ 5.5, Active,
1
3
mA
I
CC
Operating Current
No Load Current
2X Mode, 3.0
≤ V
IN ≤ 5.5, Active,
2.0
3.7
No Load Current
50µA Setting, 1X Mode
50
µA
I
SHDN
Shutdown Current
EN/SET = 0
1
µA
I
DX
I
SINK Average Current Accuracy
I
SET = 30mA, TA = 25°C
18
20
22
mA
I
(D-Match)
Current Matching Between Any
V
F:D1:D4 = 3.6V
0.5
%
Two Current Sink Inputs
2, 3
V
TH
1X to 1.5X or 1.5X to 2X Transition
150
mV
Threshold at Any I
SINK Pin
Charge Pump Section
T
SS
Soft-Start Time
100
µs
F
CLK
Clock Frequency
1000
kHz
EN/SET
V
EN(L)
Enable Threshold Low
V
IN = 2.7V
0.4
V
V
EN(H)
Enable Threshold High
V
IN = 5.5V
1.4
V
T
EN/SET LO
EN/SET Low Time
0.3
75
µs
T
EN/SET_HI_MIN
Minimum EN/SET High Time
50
ns
T
EN/SET_HI_MAX
Maximum EN/SET High Time
75
µs
T
OFF
EN/SET Off Timeout
500
µs
T
LAT
EN/SET Latch Timeout
500
µs
I
EN/SET
EN/SET Input Leakage
-1
1
µA
AAT3153
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
4
3153.2005.12.0.93
1. The AAT3153 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.
2. Current matching is defined as the deviation of any sink current from the average of all active channels.
3. Specification applies only to the tri-mode charge pump.



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