BL8516
ELECTRICALꢀCHARACTERISTICSꢀꢀ
(Testꢀconditionꢀisꢀinꢀ25ºC,ꢀVIN=12V,ꢀVBOOST=17V,ꢀunlessꢀotherwiseꢀnoted.)ꢀ
Symbol
VUVLOꢀ
VFBꢀ
Item
Conditions
Min. Typ. Max. Unit
UnderꢀvoltageꢀLockoutꢀ
FeedbackꢀVoltageꢀ
FBꢀPinꢀBiasꢀCurrentꢀ
QuiescentꢀCurrentꢀ
ꢀ
ꢀ
3.35ꢀ
3.6ꢀ
Vꢀ
ꢀ
1.225ꢀ 1.25ꢀ 1.275ꢀ
Vꢀ
IFBꢀ
VFB=1.25Vꢀ
ꢀ
ꢀ
150ꢀ
2ꢀ
600ꢀ
ꢀ
nAꢀ
mAꢀ
VFB=1.3Vꢀ
IQꢀ
QuiescentꢀCurrentꢀinꢀ
Shutdownꢀ
ReferenceꢀLineꢀ
Regulationꢀ
FeedbackꢀVoltageꢀ
TemperatureꢀCoefficientꢀ
VCE=0Vꢀ
ꢀ
ꢀ
ꢀ
2ꢀ
ꢀ
uAꢀ
△VFB/△Vꢀ
△VFB/△Tꢀ
VIN=5Vꢀtoꢀ20Vꢀ
0.08ꢀ
%/Vꢀ
ꢁ25℃ꢀ≤ꢀTopt≤ꢀ85℃ꢀ
VFB=1.1Vꢀ
ꢀ
ꢀ
ꢀ
±100ꢀ
1.2ꢀ
ꢀ
ꢀ
ꢀ
ppm/℃ꢀ
MHzꢀ
Vꢀ
FOSC_MAXꢀ OscillatorꢀFrequencyꢀ
FrequencyꢀShiftꢀ
ThresholdꢀonꢀFBꢀPinꢀ
FOSCTHꢀ
FSW=700Kꢀ
0.44ꢀ
DMAXꢀ
ILIMITꢀ
MaxꢀDutyꢀCycleꢀ
ꢀ
ꢀ
ꢀ
88ꢀ
ꢀ
ꢀ
%ꢀ
Aꢀ
SwitchꢀCurrentꢀLimitꢀ
VIN=10Vꢀ
2.5ꢀ
SwitchꢀSaturationꢀ
Voltageꢀ
VCESATꢀ
ISW=300mAꢀ
ꢀ
220ꢀ
350ꢀ
mVꢀ
ISWꢀ
ICEHꢀ
ICELꢀ
VCEHꢀ
VCELꢀ
ꢀ
SwitchꢀLeakageꢀCurrentꢀ
CEꢀ“H”ꢀInputꢀCurrentꢀ
CEꢀ“L”ꢀInputꢀCurrentꢀ
CEꢀ“H”ꢀInputꢀVoltageꢀ
CEꢀ“L”ꢀInputꢀVoltageꢀ
ꢀ
ꢀ
ꢀ
1ꢀ
15ꢀ
0.1ꢀ
ꢀ
uAꢀ
μAꢀ
μAꢀ
Vꢀ
VCEꢀꢀ=3Vꢀ
VCEꢀ=ꢀ0Vꢀ
VINꢀ=ꢀ12Vꢀ
VINꢀ=ꢀ12Vꢀ
ꢀ
6.5ꢀ
ꢀ
1.8ꢀ
ꢀ
0.03ꢀ
ꢀ
ꢀ
0.4ꢀ
Vꢀ
ꢀ
TYPICALꢀAPPLICATION
ꢀ
L1
VOUT
C3
CE
D3
R1
VIN
BOOST
VIN
SW
NC
CE
NC
FB
C2
GND
C1
D1
U1
R2
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