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suppliers of SKD28 and PDF data of SKD28

Part Numbert	Mfg	Packt	D/C	Descriptiont	Qty	Company/Contact
SKD28	SEMIKRON	MODULE			42	SongYuan Electronics (HK) Co.,.. Contact:Vicky Tel:86-755-83044194 Fax:86-755-83044175 Email: songyuan-chen@163.com
SKD28	SEMIKRON	N/A	04+	N/A	89	PENGHUIDA ELECTRONICS(HK) LIMI.. Contact:Xiao Tel:86-755-82807577 Fax:86-755-82581450 Email: phdic9@gmail.com

SKD28 Datasheet

Parameter	Symbol	Test Condition	J MIN	TYP	MAX	Unit
71Filament Current l	If	VDDl=VD02=Operi	360	400	440	mAac
_Logic Supply Current	IDD1	fCLK =2MHz		3.0	6.0	mA
Tr7jrDispiay Supply Current	IDD2			20.0	30.0	mA
HDr<)A)j H-LevelInput Voltage	VIH		VD01 X 0.8		VDD1	V
LLL-Level Input Voltage	VIL		Vss		Vss+0.7	V
H U'<11,AH-Level Input Current	IIH	VIH =VDD1			5.0	A
Lli i)LAL-Level Input Current	IIL	VIL =VSS	-400	-250	-35	/iA
Luminance	L	Ta=20aC tp/TR=l/67.2	350			cd/m2
Color of illumination	Green

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		Values
Parameter	Symbol	mIn	typ.	max	Unit	Test Condifons
Input resistance	Ri		20		kQ
IF bandwidth	BIF	500			kHz	VAF1-3 dB
Limiter threshold	Vlim rms		10	20	UV
Setting range of the limiter threshold	4¨	14	20	22	dB	vlo=O\Uvs~
AM suppression	AMS	40			dB	m=30%
Signal-to-noise	aSiN		40		dB
Field strength	vlo vlo	08	1.2	100	mV V	ViIF = O V ViIF = 10 mV
AF output voltage	VOAF1	30	60		mV
Min. load resistance	Rql	300			Q
AF bandwidth	BAF	20	35		kHz	VqAFl= -3 dB
Total harmonic distorlion	THD		1	2	%

SKD28 on stock

Characteristic	Sym	Notes	Minimum	Typical	Maximum	Units
			868 275		868 425
			868 200		868 500	MHz
Frequency (+25 0C) Nominal Frequency R02164A	fc	2,3,4,5	868 250		868 450 +75	MHz
						R02164A-1?
R02164A-2 Tolerance from 868.35 MHz R02164A R02164A-1	AfC				±150	kHz
R02164A-2	AfC				±100	kHz
Insertion Loss	IL	2 5 6		1 1	2 0	dB
Quality Factor Unloaded Q	QU	5 6 7		24 737
50Q Loaded Q	QL			4,000
Temperature Stability Turnover Temperature	To		10	25	40	oc
Turnover Frequency	fo	6 7 8		fc		kHz
Frequency Temperature Coefficient	FTC	6 7 8		0 032		ppm/oCZ
Frequency Aging Absolute Value during the First Year	lfAI	1		<±10		ppm/yr
DC Insulation Resistance between Any Two Terminals		5	1 0			MQ
RF Equivalent RLC Model Motional Resistance	RM			19 2889		Q
Motional Inductance	LM	5.6.7.9		87 455		UH
Motional Capacitance	CM	5.6.7.9		0.3841		fF
Shunt Static Capacitance	c0	5 6 9		3 1		pF
Test Fixture Shunt Inductance	LTEST	2.7		10 8365		nH
Lid Symbolization (in addition to Lot and/or Date Codes)	260

In order to protect the motor, the driver IC will stop to drive the coil when the motor is locked over 0.25 seconds. Then, it restarts to drive the motor after l.75 seconds. Fig u re l shows the timing diagram between the hallinput signal and driver's output state.

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