L4981BD

STMicroelectronics

Power Factor Controller, Current-mode, 2A, 115kHz Switching Freq-Max, BCDMOS, PDSO20

Voltage Regulators - Switching

Price and Stock

Distributor	SKU	Stock	MOQ	1	10	100	1000	10000
Mouser	511-L4981BD	1202	1	$ 3.05	$ 2.74	$ 2.25	$ 1.70	$ 1.47
Arrow Electronics	L4981BD	755	1	$ 2.66	$ 2.44	$ 1.99 *	---	---
Verical	L4981BD	592	4	$ 1.78 *	$ 2.26	$ 1.59	---	---
TME	L4981BD	320	1	$ 3.53	$ 2.80	---	---	---
Newark	24M4229	1567	1	$ 3.50	$ 3.14	$ 2.58 *	---	---
DigiKey	497-5338-5-ND	861	1	$ 3.05	$ 2.74	$ 2.24 *	$ 1.61	---
Future Electronics	3104434	0	1	$ 1.70	$ 1.65 *	$ 1.61	---	---
	3039221	0	40	---	$ 1.66 *	$ 1.61 *	$ 1.55	---
	1478106	0	40	---	$ 1.64 *	$ 1.60 *	$ 1.50 *	---
Avnet	L4981BD	0	1000	---	---	---	---	---
Farnell	1094224	1567	1	$ 3.01	$ 2.42	$ 1.99	$ 1.45	---
element14 APAC	1094224	1567	1	$ 4.77	$ 4.29	$ 3.51	$ 2.53	---
Microchip USA	L4981BD	2683	100	---	---	---	---	---
Fly-Wing Technology	L4981BD	4048		$ 7.78	$ 7.34	$ 6.92	$ 6.16	---
Component Stockers USA	L4981BD	849		$ 2.62	$ 2.40	$ 2.04	---	---
Win Source	172746-L4981BD	2370	3	$ 14.24 *	$ 14.24	$ 14.24	$ 14.24	$ 14.24
Heisener Electronics	L4981BD	207669		$ 3.29	---	---	---	---
Utmel Electronic	2381-L4981BD	8		$ 33.66	$ 31.75	$ 29.96	$ 28.26	$ 26.66
Dasenic	L4981BD	3606		$ 2.22 *	$ 2.03	$ 1.65 *	---	---
LKR	L4981BD	3000		$ 2.13	$ 2.11	$ 2.09	$ 2.07	$ 2.04
Jak Electronics	L4981BD	2805		$ 13.05	$ 12.31	$ 11.62	$ 10.34	$ 9.75
Bitfoic	L4981BD	15519		$ 3.28	$ 3.12	$ 2.97	$ 2.91	$ 2.91
Worldway Electronics	L4981BD	144613	7	$ 2.13 *	$ 2.02	---	---	---
LCSC	C2970992	46	1	$ 5.92	$ 5.22	$ 4.38	$ 4.10	---
SHENGYU ELECTRONICS	L4981BD	37834	5	$ 3.21 *	$ 3.15	$ 3.05	$ 2.95	$ 2.82
ZTZ Technology Limited	L4981BD	22680		$ 1.61	$ 1.48	$ 1.35	$ 1.10	---
PNEDA Technology Co., Ltd.	L4981BD	16634		$ 3.09	---	---	---	---
YIC International	L4981BD	13050		---	---	---	---	---
ICPartonline	L4981BD	12821		$ 1.61	$ 1.53	$ 1.45	$ 1.37	$ 1.29
Suntronic	L4981BD	10034	10	---	---	---	---	---
Easev	L4981BD	9535		$ 2.10	---	---	---	---
Lotson Electronic	L4981BD	1000	5	---	---	---	---	---
Vigor	L4981BD	802		$ 2.81	---	---	---	---
Novaconductors	L4981BD	500		$ 1.91	---	---	---	---
Cytech Systems	L4981BD	500		$ 4.03	$ 3.79	$ 3.59	$ 3.39	$ 3.19
XingHuan International	L4981BD	297		$ 1.53	---	---	---	---
Classic Components	L4981BD	770		---	---	---	---	---
Origin Data Global Limited	L4981BD	765	1	$ 5.32	$ 4.97	$ 4.61	$ 4.43	$ 4.29
Component Sense	L4981BD	48	1	$ 4.17 *	$ 4.11	---	---	---
LTL Group	4907545	10		$ 4.14	---	---	---	---
Eastek	L4981BD_G	3	40	---	---	---	---	---
	L4981BD_H	2	40	---	---	---	---	---
ComSIT Distribution GmbH	L4981BD	50		---	---	---	---	---
Allchips	L4981BD	7520	100	---	---	---	---	---
VNN Services	L4981BD	2775		---	---	---	---	---
Antdic Electronics	L4981BD	36877		$ 1.61	$ 1.53	$ 1.45	$ 1.29	$ 1.21
Abacus Technologies	L4981BD	92		---	---	---	---	---
Sourcengine	L4981BD-1482483744	1590		---	---	---	---	---
Sourceability	L4981BD	795		---	---	---	---	---
Distrelec	30170507	0	1	$ 4.11	$ 3.64 *	$ 3.41	---	---
GreenTree Electronics	L4981BD	50		---	---	---	---	---

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L4981BD Datasheet

Technical Specifications

STMicroelectronics L4981BD technical specifications, attributes, and parameters.

Power Factor Controller, Current-mode, 2A, 115kHz Switching Freq-Max, BCDMOS, PDSO20. L4981 Series 19.5 V Very High Power Factor Corrector Pre-Regulator - SOIC-20. Power Factor Corrector, Soic-20; Uvlo:-; Supply Voltage Min:18V; Supply Voltage Max:19.5V; Startup Current:300Μa; Operating Supply Current:-; Controller Ic Case Style:Soic; No. Of Pins:20Pins; Duty Cycle (%):-; Frequency:100Khz Rohs Compliant: Yes |Stmicroelectronics L4981BD.

Physical
Case/Package	SO
Mount	Surface Mount
Number of Pins	20
Weight	266.712314 mg

Technical
Frequency	80 kHz
Max Operating Temperature	125 °C
Max Supply Current	16 mA
Max Supply Voltage	19.5 V
Min Operating Temperature	-40 °C
Min Supply Voltage	18 V
Number of Outputs	1
Output Current	1.5 A
Output Voltage	7.5 V
Power Dissipation	600 mW
Schedule B	8542390000
Switching Frequency	115 kHz