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參數(shù)資料
| 型號(hào)： | AAT2803ISK-4.5-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Six-Channel White LED Backlight Charge Pump with Flash |
| 中文描述： | 六通道白光LED閃光背光電荷泵 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 589K |
| 代理商： | AAT2803ISK-4.5-T1 |
Electrical Characteristics
1
V
IN
= 3.6V, C
IN
= C
OUT
= C
1
= C
2
= C
3
= 1.0
μ
F; T
A
= -40°C to +85°C, unless otherwise noted.
Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
V
IN
Operation Range
2.7
5.5
V
1X Mode, 3.0
≤
V
IN
≤
5.5, Active,
No Load Current; EN/SET = V
IN
;
EN_FL= GND
1.5X Mode, 3.0
≤
V
IN
≤
5.5, Active,
No Load Current; EN/SET = V
IN
;
EN_FL= GND
2X Mode, 3.0
≤
V
IN
≤
5.5, Active,
No Load Current; EN/SET = V
IN
;
EN_FL = GND
V
OUT_FLASH
= 5V; EN/SET = GND;
EN_FL = V
IN
50
μ
A Setting, 1X Mode; EN/SET
= V
IN
; EN_FL = GND
EN/SET = 0
I
SET
= 30mA, T
A
= 25°C
I
SET
= 4.1mA, T
A
= 25°C
V
F
:D1:D4 = 3.6V
0.3
1
1.0
3.0
mA
I
CC
Operating Current
2.0
3.7
2.0
4.5
50
μ
A
I
SHDN
Shutdown Current
1.0
33
4.51
μ
A
I
DX
I
SINK
Average Current Accuracy
2
27
3.69
30
4.1
0.5
mA
I
(D-Match)
Current Matching Between Any
Two Current Sink Inputs
3, 4
1X to 1.5X or 1.5X to 2X Transition
Threshold at Any D
X
Pin
Output Voltage (Flash Charge
Pump)
5
Max Continuous Output Current
(Flash Charge Pump)
5
%
V
TH
150
mV
V
OUT
3.0< V
IN
< 5V, I
OUT
= 120mA;
EN_FL = V
IN
V
IN
= 3.3V; V
OUT
= 4.5V;
EN_FL = V
IN
V
IN
= 3.6V; V
OUT
= 4.5V;
I
PULSED
= 250ms
Backlight Charge Pump
Flash Charge Pump
4.3
4.5
4.7
V
120
I
OUT
mA
Max Pulsed Output Current
5
300
T
SS
Soft-Start Time
100
200
1.0
μ
s
F
CLK
V
EN(L)
V
EN(H)
Clock Frequency
Enable Threshold Low
Enable Threshold High
MHz
V
V
V
IN
= 2.7V
V
IN
= 5.5V
0.4
1.4
AAT2803
Six-Channel White LED Backlight
Charge Pump with Flash
4
2803.2006.12.1.6
1. The AAT2803 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. Determined by the average of all active channels.
3. Current matching is defined as the deviation of any sink current from the average of all active channels.
4. Specification applies only to the tri-mode charge pump.
5. Specification applies only to the charge pump doubler.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AAT2805 | 制造商:AAT 制造商全稱:AAT 功能描述:Dual High Efficiency Charge Pump for White LED and Flash Applications |
| AAT2805IXN-4.5-T1 | 制造商:AAT 制造商全稱:AAT 功能描述:Dual High Efficiency Charge Pump for White LED and Flash Applications |
| AAT2806 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual High Efficiency Charge Pump for White LED and Flash Applications |
| AAT2806_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual High Efficiency Charge Pump for White LED and Flash Applications |
| AAT2806IXN-4.5-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual High Efficiency Charge Pump for White LED AND Flash Applications |
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