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參數(shù)資料
| 型號： | AAT3169ISN-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| 中文描述： | 高效率1x/1.5x/2x電荷泵白光LED應(yīng)用 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 434K |
| 代理商： | AAT3169ISN-T1 |
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 at T
A
= 25°C,
V
IN
= 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,
No Load Current, High Current Mode
1.5X Mode, 3.0
≤
V
IN
≤
5.5, Active,
No Load Current, High Current Mode
2X Mode, 3.0
≤
V
IN
≤
5.5, Active,
No Load Current, High Current Mode
1X Mode, 3.0
≤
V
IN
≤
5.5, D6 Active,
No Load Current, Low Current Mode
EN/SET = 0
I
SET
= 20mA, T
A
= 25°C
I
SET
= 2.4mA, T
A
= 25°C
I
SET
= 400μA, T
A
= 25°C
V
F
:D1:D6 = 3.6V
0.3
1
mA
I
CC
Operating Current
1
65
90
μA
I
SHDN
Shutdown Current
1
10
20
20
1
μA
Current Accuracy
-10
-20
-20
I
DX
%
Low Current Accuracy
Current Matching
2
1X to 1.5X or 1.5X to 2X Transition
Threshold at Any I
SINK
Pin
Charge Pump Section
T
SS
Soft-Start Time
F
CLK
Clock Frequency
EN/SET
V
EN(L)
Enable Threshold Low
V
EN(H)
Enable Threshold High
T
EN/SET LO
EN/SET Low Time
T
EN/SET_HI_MIN
Minimum EN/SET High Time
T
EN/SET_HI_MAX
Maximum EN/SET High Time
T
OFF
EN/SET Off Timeout
T
LAT
EN/SET Latch Timeout
I
EN/SET
EN/SET Input Leakage
I
(D-Match)
0.5
%
V
TH
I
SET
= 20mA
150
mV
100
1000
μs
kHz
V
IN
= 2.7V
V
IN
= 5.5V
0.4
V
V
μs
ns
μs
μs
μs
μA
1.4
0.3
75
50
75
500
500
1
-1
AAT3169
High Efficiency 1X/1.5X/2X Charge
Pump for White LED Applications
4
3169.2006.04.1.0
1. The AAT3169 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.
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