AC/DC Switching regulators-Silvoc Electronics

AC/DC Switching regulators

UTC Power Management : AC/DC Switching Regulators

The comprehensive product line of UTC includes various analog ICs, such as regulators, PWM control ICs, amplifiers, comparators, logic ICs, voltage translators, interface driver ICs, transistor arrays, reset ICs, and Hall effect switches. The range of discrete components covers high and low voltage MOSFETs, SJMOS, diodes, BJT, FRD, TRIAC, SCR, IGBT, and more. Leveraging deep R&D experience and a professional IC design team, the company consistently develops circuits and enhances production technology to deliver faster, efficient, and customer-oriented products.

UTC's products find extensive applications in power management equipment, photovoltaic inverters, energy storage, PLC, variable frequency servo, charging piles, machine tools, and commercial machinery. They are also used in consumer electronics, including appliances, TVs, lighting, communication devices, security, smart homes, and computers. In the field of new energy vehicle electronics, UTC excels in performance and quality, earning recognition from global brands and partners. With a commitment to providing the best products and services, UTC looks forward to partnering with customers to create a brighter future together.

UTC Power Management: AC/DC Switching Regulators

Part No.	Topology	Vcc (MAX) (V) (Range)	Vcc (ON) (TYP) (V) (Range)	Vcc (OFF) (TYP) (V) (Range)	Freq. (TYP) (KHz) (Range)	Freq. (MXA) (KHz) (Range)	Duty Cycle % (Range)	Start-up current (mA)	Operating current (mA)	BV_DSS(MIN) (V) (Range)	RDS (on) (MAX) (Ω) (Range)	Package
UC1842A	* SSR	30	16	10	-	500	97	0.12	12	-	-	DIP-8 SOP-8
UC1843A	* SSR	30	8.4	7.6	-	500	97	0.12	12	-	-	DIP-8 SOP-8
UC1842B	* SSR	30	16	10	-	500	96	0.25	12	-	-	SOP-8 DIP-8
UC1843B	* SSR	30	8.4	7.6	-	500	96	0.25	12	-	-	SOP-8 DIP-8
UC1844	* SSR	30	16	10	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC1845	* SSR	30	8.4	7.6	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC2842B	* SSR	30	16	10	-	500	96	0.25	12	-	-	SOP-8 DIP-8
UC2843B	* SSR	30	8.4	7.6	-	500	96	0.3	12	-	-	DIP-8 SOP-8
UC3842A	* SSR	30	16	10	-	500	97	0.12	12	-	-	DIP-8 SOP-8
UC3843A	* SSR	30	8.4	7.6	-	500	97	0.12	12	-	-	DIP-8 SOP-8
UC3843A-Q	* SSR	30	8.4	7.6	-	500	97	0.12	11	-	-	SOP-8
UC3842B	* SSR	30	16	10	-	500	96	0.25	12	-	-	DIP-8 SOP-8
UC3843B	* SSR	30	8.4	7.6	-	500	96	0.25	12	-	-	DIP-8 SOP-8
UC3842G	* SSR	30	15	10	52	-	94	0.015	7	-	-	DIP-8 SOP-8
UC2844	* SSR	30	16	10	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC2845	* SSR	30	8.4	7.6	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC3844	* SSR	30	16	10	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC3845	* SSR	30	8.4	7.6	-	500	48	0.25	12	-	-	DIP-8 SOP-8
UC3846	* SSR	40	7.7	-	-	500	-	-	17	-	-	DIP-16 SOP-16 SOP-16W
UC3943	* SSR	30	8.4	7.6	-	250	96	0.25	12	-	-	SOP-8
UC2846	* SSR	40	7.7	-	-	500	-	-	17	-	-	DIP-16 SOP-16 SOP-16W
UC3800/B	* SSR	30	18.5	7	65	70	78	0.002	0.8	-	-	SOP-8
UC3837	* SSR	23	14.5	8.5	65	75	75	0.005	3.2	-	-	SOT-26
UC3838	* Quasi-Resonant	32	16	7.7	65	70	64	0.001	0.68	-	-	SOT-26
UC3848	* SSR	30	14.2	8.2	68	75	74	0.022	7	-	-	DIP-8 SOP-8
UC3849B	* SSR	36	18	7	65	70	78	0.002	0.8	-	-	DIP-8 SOP-8
UC3853A	* SSR	29	10	9	100	110	46	0.005	1.1	-	-	SOP-8
UC3856	* SSR	35	19	7	65	70	78	0.002	0.18	-	-	SOT-26
UC3863	* SSR	30	13.5	8	65	70	78	0.0025	1.2	-	-	DIP-8 SOP-8 SOT-26
UC3863A	* SSR	36	18	7	65	70	78	0.002	0.8	-	-	HSOP-8 SOP-8 SOT-26
UC3869A	* SSR	36	18	7	65	70	78	0.002	0.8	-	-	DIP-8 SOP-8
UC3869H	* SSR	36	18	7	100	108	78	0.002	0.8	-	-	DIP-8 SOP-8
UC3873	* SSR	30	13.8	8.2	65	70	76	0.0025	1.5	-	-	SOT-26
UC3873H	* SSR	36	18	7	100	108	78	0.002	0.8	-	-	SOT-26
UC3873A	* SSR	36	19	7	65	70	78	0.002	0.8	-	-	SOT-26
UC3873B	* SSR	30	13	7	100	105	78	0.0025	0.8	-	-	SOT-26
UC3875A	* SSR	36	18	7	65	70	78	0.002	0.8	-	-	DIP-8 SOP-8
UC3883	* SSR	36	20/15.3	8.2	65	70	77	0.0015	0.85	-	-	SOT-26
UPSR104	* PSR	29	14.8	9	65	70	-	0.002	1.6	-	-	SOT-26
UPSR108	* PSR	35	15.5	9.5	-	-	-	0.002	1	-	-	SOT-26
UPSR107	* PSR	35	15.5	9.5	-	-	-	0.002	1	-	-	SOT-26
UC1100	* PSR	36	18.5	9	-	-	-	0.003	0.35	-	-	SOT-26
UC1103	* PSR	30	16	9	50	53	-	-	1.6	-	-	SOP-8
UPSRB01	* PSR	30	12.5	7.5	-	-	-	0.001	0.3	-	-	SOT-26
UPSRB02	* PSR	30	12.5	6.8	-	-	-	0.01	0.4	-	-	SOT-26
UPSRB03	* PSR	30	18	6.5	-	-	-	0.003	0.8	-	-	SOT-25
UC3801	* Quasi-Resonant	36	16	7.6	65	70	64	0.001	0.68	-	-	SOT-26
UC3816	* Quasi-Resonant	36	17.5/14.5	7.5/7.3	65	70	62	0.001	0.8	-	-	SOT-26
UC3916A	* Quasi-Resonant	36	20	8.2	65	70	66	0.0035	0.8	-	-	SOP-8
UC3879A	* Quasi-Resonant	36	15	8.2	65	70	68.5	0.002	1	-	-	SOP-8
UC3862	* Quasi-Resonant	36	16	7.6	65	70	64	0.001	0.68	-	-	SOT-26
UC3823	* Quasi-Resonant	36	16	7.6	65	70	64	0.001	0.68	-	-	SOT-26
UCQ3738	* Quasi-Resonant	32	15	7.6	65	70	64	0.001	1	-	-	SOT-26
L2800	* PWM controllers	16	-	-	500	1000	75	-	5.5	-	-	SOP-8 TSSOP-8
TL5001	* PWM controllers	41	-	-	-	500	100	-	1.4	-	-	DIP-8 SOP-8
BA9741	* PWM controllers	35	-	-	-	800	55	-	1.6	-	-	DIP-16 SOP-16 TSSOP-16
TL1451	* PWM controllers	51	-	-	-	350	-	-	1.7	-	-	DIP-16 SOP-16 TSSOP-16
U9751B	* PWM controllers	38	-	-	-	400	-	-	1.7	-	-	DIP-16 SOP-16 SSOP-16
U8021	* PWM controllers	18	-	-	600	700	-	-	5	-	-	SOP-14
TL494	* PWM controllers	41	-	-	-	300	45	-	7.5	-	-	DIP-16 SOP-16 TSSOP-16
TL494-Q	* PWM controllers	41	-	-	-	300	45	-	7.5	-	-	DIP-16 SOP-16 TSSOP-16
TL594	* PWM controllers	41	-	-	-	300	45	-	7.5	-	-	DIP-16 SOP-16
51494	* PWM controllers	42	-	-	-	-	45	-	6	-	-	DIP-16 SOP-16
U3525	* PWM controllers	35	-	-	-	400	49	-	14	-	-	DIP-16 SOP-16 SOP-16W
U3525U	* PWM controllers	40	-	-	-	400	49	-	14	-	-	DIP-16 SOP-16
UA7527	* PFC	30	11.5	-	-	-	-	0.06	3	-	-	SOP-8
UA7524	* PFC	20	10	-	-	-	-	0.25	6	-	-	DIP-8 SOP-8
L8561	* PFC	18	15.3	7.9	-	-	-	0.035	6	-	-	DIP-8 SOP-8
L8562	* PFC	18	15.3	7.9	-	-	-	0.03	6	-	-	DIP-8 SOP-8
L8532	* PFC	20	12	9.5	-	-	-	0.024	2.1	-	-	SOP-8
L8565	* PFC	22	11.2	10.2	125	250	95	0.1	23	-	-	SOP-8
L7842	* PFC	14.4	13	3	76	81	95	0.7	16	-	-	DIP-16
MC34262	* PFC	36	-	-	-	-	-	0.4	12	-	-	DIP-8 SOP-8
UC3854	* PFC	22	16/10.5	10	-	-	-	0.25	12	-	-	SOP-16
UCS1654S	* SSR * Build-in MOSFET	32	20	8	65	70	80	0.002	3.2	650	1.5	DIP-7A DIP-8
UCS1655S	* SSR * Build-in MOSFET	32	20	8	65	70	80	0.002	3.5	650	1.3	DIP-7A DIP-8
US3822	* Non-isolated * Build-in MOSFET	46	14.5	7.7	60	-	-	0.0005	1.8	650	9	DIP-8
US3835	* Non-isolated * Build-in MOSFET	46	14.5	7.5	60	-	-	-	0.01	150	1.1	DIP-8
US2351	* Non-isolated * Build-in MOSFET	40	13.5	7.8	60	66	-	0.005	1.5	600	15	SOP-8
US2651	* Non-isolated * Build-in MOSFET	40	14.5	8.5	50	60	-	.035	3	600	15	DIP-8 SOP-8
US3651	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.005	1.6	600	11	DIP-8 SOP-8
US3652	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.005	1.6	600	4	DIP-8 DIP-7A
USR3651	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.005	1.6	650	7.5	SOP-8
USR3651S	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.7	1.6	650	7.5	DIP-8 SOP-8
USR3652	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.005	1.6	650	4	SOP-8
USR3652S	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.7	1.6	650	5	DIP-8
USR3654A	* PSR * Build-in MOSFET	-	14.5	9	125	-	-	-	1.6	650	3.1	DIP-7A DIP-8
USRB01A	* PSR * Build-in BJT	30	12.5	6.8	-	-	-	0.001	0.3	700	-	SOP-8
USRB04	* PSR * Build-in BJT	20	11.5	3.7	40	44	11	0.01	1.5	700	-	SOP-8
UCSR3654	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.005	1.6	650	1.6	DIP-8 SOP-8
UCSR3651S	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.7	1.6	650	3	DIP-7A SOP-8
UCSR3652S	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.7	1.6	650	2.4	DIP-7A SOP-8 DIP-8
UCSR3654S	* PSR * Build-in MOSFET	-	14.5	9	65	75	-	0.7	1.6	650	1.6	DIP-7A DIP-8
PSRB05	* PSR * Build-in BJT	30	15.5	4.5	-	-	-	0.0005	0.5	800	-	SOP-8
US2652SQ	* Quasi-Resonant * Build-in MOSFET	36	20	8.2	65	70	62	0.0035	0.8	-	-	DIP-7A
US321S	* Non-isolated	30	7.5	7	-	-	-	0.1	0.8	-	-	SOP-8