1B21，there are the best 1B21 suppiers all over the world here.These are the list and detailed contact method of 1B21 suppliers all over the world as follows.You can buy or get informations of 1B21 through email , message or tel.

suppliers of 1B21 and PDF data of 1B21

Part Numbert	Mfg	Packt	D/C	Descriptiont	Qty	Company/Contact
1B21	AD		DIP			Shenzhen Goodchip Electronic C.. Contact:Selina Tel:86-137-25593155 Fax: Email: good-chip@hotmail.com
1B21	AD				10	HK NEW-TECHELECTRONICS CO., LI.. Contact:mary Tel:86-755-84741954 Fax: Email: mary-hxd@hotmail.com
1B21	AD		02+		DIP	Hua Meng Electronics Co. Contact:chen Tel:86-755-83796438 Fax:86-755-83677200 Email: fubenjinhua@126.com
1B21	AD	DIP			10	Hongkong By-Joy Elec Co.,Ltd Contact:Lucy Tel:86-755-83633625 Fax:86-755-83001775 Email: hkbyjoy@yahoo.com.cn
1B21	AD		DIP		10	Hung Shun Technology Ltd Contact:Yang Tel:86-755-82543025 Fax:+86+8254-3013 Email: hssale@sohu.com
1B21	AD		DIP		10	Full-Star Electronics Co. Contact:Ms.Jessie Tel:011-852-6551-6814 Fax:011-852-6551-6824 Email: fullsic@tom.com
1B21	DIP		10	in stock	AD	fantastictechnologieslimited Contact:Ms.Dorischen Tel:86-755-82861644 Fax:86-755-82862009 Email: doris@fantastic-ele.com

1B21 Datasheet

100% load steps in lOOySeconds to within l% nominal Vout. The patented fixed frequency architecture combined with sur- face mount technology results in a compact, efficient and reliable solution to DC/DC conversion requirements. Safety approvals per UL/CUL 1950, EN 60950
1B21 Price

S12 MAG ANG 0.051 70.5 0.074 55.7 0.090 47.4 0.098 47.5 0.104 46.3 0.115 48.3 0.122 48.4 0.133 50.1 0.139 52.8 0.149 52.6 0.160 55.6 0.172 55.3 0.188 55.8 0.192 55.9 0.206 54.9 0.215 58.1 0.229 57.5 0.249 59.2 0.268 58.1 0.286 56.0
1B21 on stock

VFB Bias Current	VFB= OV		0 3	1 0
Open Loop Gain	1.25 V < VCOMP < 4.0 V; Note 2.	50	60		dB
Unity Gain Bandwidth	Note 2	500	3000		kHz
COMP SINK Current	VCOMP = 1.5 V; VFB = 3.0 V; Vss > 2.0 V	0 4	2 5	8 0	mA
COMP SOURCE Current	VCOMP = 1.2 V; VFB = 2.7 V; VSS = 5.0 V	30	50	80
COMP CLAMP Current	VCOMP = 0 V; VFB = 2.7 V	0 4	1 0	1 6	mA
COMP High Voltage	VFB = 2.7 V; VSS = 5.0 V	4 0	4 3	5 0	V
COMP Low Voltage	VFB= 3.0V		160	600	mV
PSRR	8.0 V < Vcci < 14 V @ 1.0 kHz; Note 2.	60	85		dB

lDate	Revision	Description of Changes
13-Dec-2004	1	First issue

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