AAT1282 Datasheet, PDF (8/22 Pages) Skyworks Solutions Inc. – 2A Driver for High Intensity LED Camera Flash

Typical Characteristics
800
700
600
500
400
300
200
100
0
2.7
Supply Current vs. Input Voltage
(V_EN = 3.6V; V_FLEN = FLGND)
-40°C
25°C
85°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
DATA SHEET
AAT1282
2A Driver for High Intensity LED Camera Flash
V_IN
(2V/div)
Enabling and SuperCap
Charging Characteristic
(V_IN = 3.6V; SuperCap [5.5V, 0.55F])
3.6V
V_OUT
(5V/div) ^0V
I_SW
(1A/div) ^0A
I_IN
(1A/div)
0A
Time (1s/div)
Movie Mode Switching Frequency
vs. Input Voltage
(L = 1µH)
3
2.5
85C
2
1.5
25C
1
0.5
0
2.7
3.1
-40C
3.5
3.9
4.3
4.7
Input Voltage (V)
-40°C
25°C
85°C
5.1
5.5
EN, FLEN High Threshold Voltage
vs. Input Voltage
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-40°C
0.6
25°C
0.5
85°C
0.4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
EN, FLEN Low Threshold Voltage
vs. Input Voltage
1.4
1.3
-40°C
25°C
1.2
85°C
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202305C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013