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AC-DC Buck
Reference     Design	Part No.	Vin(Vac)	Iq(mA)	Freq_Max	Vout Accuracy	HV Startup	VDD     UVLO(V)	VDD     OVP(V)	OCP/OLP	OTP	Package
5V/150mA	OB2222EC	90~264	1.5	40KHz	±5%	/	11.5/3.7	15	Yes	Yes	SOP8
5V/250mA	OB2222MC	90~264	1.5	40KHz	±5%	/	11.5/3.7	15	Yes	Yes	SOP8
5V/300mA	OB2222LMC	90~264	1.5	40KHz	±5%	/	11.5/3.7	15	Yes	Yes	SOP8
12V/350mA	OB2225NC	90~264	1	40KHz	±5%	/	13.5/7.2	16	Yes	Yes	SOP8
12V/400mA	OB2225Nx	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	SOP8
12V/500mA	OB2225RC	90~264	1	40KHz	±5%	/	13.5/7.2	16	Yes	Yes	SOP8
12V/550mA	OB2225Rx	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	SOP8
12V/400mA	OB2235NC	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	SOP8
12V/450mA	OB2235NA	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	DIP8
12V/450mA	OB2235NAS	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	DIP7
12V/600mA	OB2235RA	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	DIP8
12V/600mA	OB2235RAS	90~264	1	40KHz	±5%	Yes	13.5/7	17.5	Yes	Yes	DIP7
18V/350mA	OB2228GNC	90~264	1	40KHz	±5%	/	14.8/7.5	21	Yes	Yes	SOP8
18V/450mA	OB2228GRC	90~264	1	40KHz	±5%	/	14.8/7.5	21	Yes	Yes	SOP8
18V/400mA	OB2228PRC	90~264	1	40KHz	±5%	Yes	13.5/7	22.8	Yes	Yes	SOP8
18V/300mA	OB2238NA	90~264	1	40KHz	±5%	Yes	13.5/7	22.8	Yes	Yes	DIP8
18V/450mA	OB2238RA	90~264	1	40KHz	±5%	Yes	13.5/7	22.8	Yes	Yes	DIP8

AC-DC Flyback

Reference   Design

Part No.

Vin(Vac)

Vout(V)

Iq(mA)

Freq_Max

Vout Accuracy

HV Startup

VDD   UVLO(V)

VDD   OVP(V)

OCP/OLP

OTP

Package

19.7V/600mA/12W

OB2229PC

90~264

19.7V

1

50KHz

±5%

/

12/7.2

22.3

Yes

Yes

SOP8

18W

OB2230TA

90~264

Adj

0.65

72KHz

±5%

/

16.5/8.3

27

Yes

Yes

DIP8

30W

OB2230UA

90~264

Adj

0.65

72KHz

±5%

/

16.5/8.3

27

Yes

Yes

DIP8

7W

OB276NAS

90~264

Adj

0.4

132KHz

±5%

Yes

9/6.9

/

Yes

Yes

DIP7

4W

OB364MAS

90~264

Adj

0.24

132KHz

±5%

Yes

7.9/6.6

/

Yes

Yes

DIP7

205W

OB3840M

90~264

ADJ

2.5

50KHz

±5%

/

16.9/8.5

28

Yes

Yes

SOT23-6