UC3527B

所属类别：ACDC-和-DCDC-电源
产品名称：稳压脉宽调制器
厂商：TI
生产批号：08+
封装：16PDIP
库存状态：有库存
库存量：6000
最低订购量：1
详细资料：

Product Introduction

The integrated circuit UC1525B/1527B series of pulse width modulators are designed to provide higher performance and reduce the number of external components used in all types of switching power supplies when designed. The on-chip 5.1 V reference Zener trimmed to ± 0.75% and the input common-mode error amplifier range includes a reference voltage without the need for an external resistor. Synchronous input to oscillator allows multiple units to be synchronized to an external system clock in a slave or one unit. The CT and a resistive discharge terminal between provide a dead zone time adjustment range. The devices also have built-in soft-start with only one external timing circuit capacitance requirement.

characteristic

8 to 35V operation
Bury the Zener reference 5.1V ± 0.75% adjusted to
Oscillators range from 100Hz to 500kHz
Independent oscillator synchronization terminals
Adjustable dead zone time control
Internal soft start
The pulse is turned off by the pulse
Input undervoltage lockout and hysteresis
Locked PWM pulses to prevent duplication
Dual source/receiver output drivers
Low crossover conduction at the output stage
Stricter reference specifications

parameter

	UC3527B
topology	Boost, flyback, forward, full-bridge, half-bridge, push-to-pull
Control method	Voltage mode
Duty Cycle (Max) (%)	50
Frequency (max) (kHz)	450
On/off of undervoltage lockout threshold (5)	7/6.8
Pin/Pack	16PDIP
(#) Regulated output	2
Operating Temperature Range (°C)	0 to 70

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UC3527B	TI	08+	16PDIP	Regulated pulse width modulator

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