FA3686 Datasheet, PDF (5/18 Pages) List of Unclassifed Manufacturers – For Switching Power Supply Control

s Characteristic curves
Oscillation frequency vs. timing resistor
VCC=3.3V, Ta=25˚C
1800
1600
1400
1200
1000
800
600
400
200
0
1
10
Timing resistor RT [kΩ]
FA3686V
Oscillation frequency vs. supply voltage VCC
Ta=25˚C, RT=12kΩ (fOSC=500kHz)
510
508
506
504
502
500
498
496
494
492
490
0
5
10
15
20
100
Vcc [V]
Oscillation frequency vs. ambient temperature
VCC=3.3V, RT=12kΩ (fOSC=500kHz)
570
550
530
510
490
470
450
430
-50 -25 0 25 50 75 100 125 150
Ambient temperature Ta [˚C]
Regulated voltage vs. supply voltage VCC
Ta=25˚C, RT=12kΩ (fOSC=500kHz)
2.23
Load current
2.22
IREG=0A
2.21
2.20
2.19
2.18
2.17
0
5
10
15
20
Vcc [V]
Regulated voltage vs. ambient temperature
VCC=3.3V, RT=12kΩ (fOSC=500kHz)
2.23
2.22
2.21
2.20
2.19
2.18
2.17
-50 -25 0 25 50 75 100 125 150
Ambient temperature Ta [˚C]
Regulated voltage vs. load current
VCC=3.3V, RT=12kΩ (fOSC=500kHz)
2.23
2.22
Ta=85˚C
2.21
2.20
Ta=25˚C
2.19
Ta=-30˚C
2.18
2.17
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Load current IREG [mA]
5