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AAT2806IXN-4.5-T1 参数 Datasheet PDF下载

AAT2806IXN-4.5-T1图片预览
型号: AAT2806IXN-4.5-T1
PDF下载: 下载PDF文件 查看货源
内容描述: 双通道高效率电荷泵白光LED和Flash应用程序 [Dual High Efficiency Charge Pump for White LED and Flash Applications]
分类和应用:
文件页数/大小: 16 页 / 578 K
品牌: AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
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AAT2806  
Dual High Efficiency Charge Pump  
for White LED and Flash Applications  
Electrical Characteristics1  
VIN = 3.6V; CIN = COUT = C1 = C2 = C3 = 1.0µF; TA = -40°C to +85°C, unless otherwise noted.  
Typical values are TA = 25°C.  
Symbol Description  
Conditions  
Min Typ Max Units  
Input Power Supply  
VIN  
Operation Range  
2.7  
5.5  
1
V
1X Mode, 3.0 VIN 5.5, Active, No Load  
Current; EN_FLSH = GND, EN/SET = VIN  
1.5X Mode, 3.0 VIN 5.5, Active, No Load  
Current; EN_FLSH = GND, EN/SET = VIN  
2X Mode, 3.0 VIN 5.5, Active, No Load  
Current; EN_FLSH = GND, EN/SET = VIN  
EN_FLSH = GND, 50µA Output Setting,  
1X Mode  
0.3  
1.0  
2.0  
50  
3.0  
3.7  
mA  
ICC  
Operating Current  
µA  
3.0 VIN 5.5, No Load Current;  
EN_FLSH = VIN, EN/SET = GND  
2.0  
4.5  
mA  
ISHDN  
IDX  
Shutdown Current  
Input Current Accuracy2, 3  
EN_FLSH = EN/SET = 0  
1.0  
10  
µA  
%
ISET = 20mA and ISET = 4.1mA; TA = 25°C  
-10  
I(D-Match)  
Current Matching Between Any VD1:D4 = 3.6V, VIN = 3.5V  
Two Current Sink Inputs2, 4  
Sink Switch Impedance (each)2  
0.5  
7
%
RSINK  
Ω
3.0V < VIN < 5V, IOUT = 100mA;  
4.32 4.5 4.68  
Flash Charge Pump Output  
Voltage5  
EN_FLSH = VIN  
VOUT_FL  
V
3.0V < VIN < 5V, IOUT = 150mA;  
EN_FLSH = VIN  
4.3 4.5  
4.7  
5
Maximum Continuous IOUT  
VIN = 3.6V; VOUT = 4.5V; EN_FLSH = VIN  
VIN = 3.6V; VOUT = 4.5V; IPULSED < 500ms  
120  
250  
100  
1.0  
IOUT_FL  
mA  
5
Maximum Pulsed IOUT  
TSS  
Soft-Start Time  
µs  
MHz  
V
FCLK  
Clock Frequency  
VEN(L)  
VEN(H)  
Enable Threshold Low  
Enable Threshold High  
0.4  
75  
1.4  
0.3  
50  
V
TEN/SET LO EN/SET Low Time  
TEN/SET Minimum EN/SET High Time  
µs  
ns  
µs  
µs  
µs  
µA  
_
_
HI MIN  
TEN/SET  
Maximum EN/SET High Time  
EN/SET Off Timeout  
EN/SET Latch Timeout  
Enable and EN/SET Input  
Leakage  
75  
_
_
HI MAX  
TOFF  
TLAT  
II  
500  
500  
1.0  
-1.0  
1. The AAT2806 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. Specification applies only to the tri-mode charge pump.  
3. Determined by the average of all active channels.  
4. Current matching is defined as the deviation of any sink current from the average of all active channels.  
5. Specification applies only to the charge pump doubler.  
4
2806.2006.04.1.8