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UC3525A

Category:ACDC- and -DCDC-power supply
Product Name:Regulated pulse width modulator
Manufacturers:TI
Production Batch Number:10+
Encapsulation:16PDIP, 16SOIC, 20PLCC
Stock Status:There is stock
Stock Quantity:10000
Minimum order quantity: 1
Details:

Product introduction

The pulse width modulator IC UC1525A/1527A series is designed to provide higher performance and reduce the number of external components in the design of switching power supplies for all types of use. The on-chip 5.1 V reference needs to be trimmed to ± 1%, and the range of the input common-mode error amplifier includes the reference voltage without the need for external resistors. Synchronizing the input to the oscillator allows multiple units to be synchronized to an external system clock as slave or one unit. 燃放终端单个电阻在C_T和时间的调整提供了一个广泛的死。 These devices also have built-in soft-start and only one external timing circuit capacitance requirement.

characteristic

8 V至35 V操作
5.1 - V参考电压调整，以± 1％
100 Hz到500 kHz振荡器范围
独立的振荡器同步终端
可调节死区时间控制
Internal soft start
脉冲由脉冲关机
输入欠压锁定滞
锁定的PWM脉冲来防止重复
双源/接收器输出驱动器

parameter

			UC3525A
topology			Boost, buck, reverse, forward, full bridge, half bridge, push and pull
Control method			Voltage mode
Duty cycle (max.) (%)			50
Frequency (max) (khertz)			450
On/Off of Undervoltage Lockout Threshold (5)			7/6.8
Pins/Packets			16PDIP，16SOIC，20PLCC
(#) Regulated output			2
Operating temperature range(°C)			0 to 70

andUC3525ARelated ICs are:

Model	Manufacturers	lot number	encapsulation	illustrate
KA3525AN	FAIRCHILD	1011+	DIP-16	Brand new original
KA3525AD	FSC	10+	SOP	SMPS CONTROLLER
GS3525AP	ST/ON	03+	N／A	N／A
SG3525AP	ST	06+	DIP-16	Brand new original
SG3525ADW	Linfinity	03+	SOP-16	Brand new original
UC3525A	TI	10+	16PDIP, 16SOIC, 20PLCC	Regulated pulse width modulator
SG3525ADWR2G	ON	10+	DIP
SG3525ADWR2G	ON	10+	DIP
SG3525ANG	CHEMI	09+	N/A
KA3525A	FAIRCHILD	08+	dip-8
SG3525AN	FAIRCHILD	08+	DIP-16
SG3525AN	FAIRCHILD	08/09+	DIP-16
KA3525A	FAIRCHILD	08/09+	DIP-8
UC3525ADW	TI	0823+	SOIC-16

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