UC2864

所属类别：ACDC-和-DCDC-电源
产品名称：谐振模式电源控制器
厂商：TI
生产批号：08+09+
封装：16SOIC
库存状态：有库存
库存量：2500
最低订购量：1
详细资料：

Product Introduction

The UC1861 IC - The 1868 series is ideal for the control of zero-current and zero-voltage switching quasi-resonant converters. The difference between this is from the UVLO threshold and the output selection of members of the various combination device family results. In addition, a single-pulse steering logic configuration scheme is available for both time zero-current systems (UC1865-1868) and zero-voltage switching applications for shutdown time (UC1861-1864).

The main control module implementation includes error amplifier compensation for the entire system cycle, driving a voltage-controlled oscillator (VCO) with programmable minimum and maximum frequencies. Triggered by the VCO, the maximum width of a program is generated at one time, and the zero-modulation pulses can be compared by detecting and comparing.

characteristic

Controls zero-current switching (zero-current) or zero-voltage switching (zero-voltage switching) quasi-resonant converters
Zero terminates a single trigger timer
1% accuracy, 5V reference for soft start
Restart failure after programmable delay
Voltage-controlled oscillators (VCOs) and programmable minimum and maximum frequencies from 10kHz to 1MHz
Low start-up current (150μA typical)
Dual 1 amp peak FET drivers
UVLO options for offline or DC/DC applications

parameter

	UC2864
topology	Boost, buck, reverse, forward, resonant
Control method	Voltage mode
Duty Cycle (Max) (%)	One
Frequency (max) (kHz)	450
On/off of undervoltage lockout threshold (5)	8 / 7
Pin/Pack	16SOIC
(#) Regulated output	One
Operating Temperature Range (°C)	-40 to 85

The ICs associated with UC2864 include:

Model	Manufacturers	lot number	encapsulation	illustrate
1728640000	Weidmüller Interface GmbH & Co. KG	218+	connector	1728640000 S2L 3.5/8/90F 3.5SN SW
WG12864C-YEI-V#N	WINSTAR	10+11+		Hong Kong spot, imported original
WO12864B-TFH#	WINSTAR	10+11+		Hong Kong spot, imported original
WG12864B-YGH-VN	WINSTAR	10+11+		Hong Kong spot, imported original
WX12864A-NYG	WINSTAR	10+11+		Hong Kong spot, imported original
X2864BDMB	XICOR	00+	DIP	Brand new original
AM2864BE-255DC	AMD	N／A	DIP	New inventory
X2864HD-90	XICOR	N／A	DIP	Brand new original
DQ2864A-250	SEEQ	02+	DIP-28	N/A
X2864AD	XICRO	N／A	DIP	New inventory
NJM2864FXX-TE1	JRC	06+	MTP-5	Brand new original
DQ2864-350	SEEQ	N／A	DIP	Brand new original
D2864A-30	INTEL	N／A	DIP	New inventory
X2864ADI-45	XICOR	07+	DIP	Brand new original
UC2864	TI	08+09+	16SOIC	Resonant mode power controller
X2864BP-25	MICOR	07+/08+	DIP
X2864AP-25	MICOR	07+/08+	DIP
DQ2864BD-18	DQ	05+	DIP
DQ2864A-15	DQ	9808	DIP

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UC2843AQ	TI	08+	14SOIC, 8SOIC	Automotive current-mode PWM controllers
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UC2843A	TI	08+	14SOIC, 20PLCC, 8PDIP, 8SOIC	Current-mode PWM controller
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UC2864

parameter

The ICs associated with UC2864 include:

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