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AAT3171 Datenblatt(Datasheet) 6 Page - Advanced Analogic Technologies

Teile-Nr. AAT3171
Beschreibung  High Current, High Efficiency Charge Pump with Auto-Timer
Download  19 Pages
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Hersteller  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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 6 page
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Typical Characteristics
VIN = 3.6V, CIN = 4.7µF, COUT = 2.2µF, C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.
EN/SET Off Timeout vs. Supply Voltage
Supply Voltage (V)
0
50
100
150
200
250
300
350
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
-40°C
25°C
85°C
EN/SET Latch Timeout vs. Supply Voltage
Supply Voltage (V)
0
50
100
150
200
250
300
350
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
-40°C
25°C
85°C
Flash Timer Duration
(CT = 0.1µF)
Supply Voltage (V)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
-40°C
85°C
25°C
LED Current vs. R
SET
(Data = 1)
RSET (k
Ω
Ω)
0
100
200
300
400
500
600
700
800
900
1000
100
200
300
400
500
600
700
800
900
1000
Operating Characteristic
(VIN = 2.9V; 2X Mode; ILED = 300mA)
Time (2µs/div)
VIN
(100mV/div)
VSINK
(200mV/div)
VOUT
(200mV/div)
Operating Characteristic
(VIN = 3.3V; 1.5X Mode; ILED = 300mA)
Time (2µs/div)
VIN
(100mV/div)
VSINK
(200mV/div)
VOUT
(200mV/div)
AAT3171
High Current, High Efficiency
Charge Pump with Auto-Timer
6
3171.2007.03.1.1




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