UC2824

所属类别：ACDC-和-DCDC-电源
产品名称：高速 PWM 控制器
厂商：TI
生产批号：09+10+
封装：16PDIP, 16SOIC
库存状态：有库存
库存量：5000
最低订购量：1
详细资料：

Product Introduction

The PWM control unit series in the UC1824 is best suited for high frequencies for switching power supply applications. Special attention is given to minimize the propagation delay of the amplifier logic circuit by comparing and maximizing the bandwidth and slew rate of errors. The controller is designed for voltage mode systems in both modes, or with the current input voltage feedforward function.

The protection circuitry includes a threshold current-limited comparator with a 1-V threshold current-limited comparator, a TTL shut-off port compatible, and a soft-start pin for maximum duty cycle clamp doubles. The logic is to completely lock the free operation of providing jitter and prohibit multiple pulses from being output. The hysteresis of the 800 mV lock-in section ensures low start-up current.

characteristic

Complementary outputs
Actual operation switch Frequenciesto 1 MHz
50 - ns propagation delay to the output
High current dual totem (1.5 one peak) pole output
Wideband error amplifier
Fully locked logic dual-pulse suppression
The pulse is limited by the pulse current
Soft start/maximum duty cycle control
Undervoltage lockout and hysteresis
Low starting current (1.1 mA)
Sidebandgap Reference (5.1 volts ± 1%)

parameter

	UC2824
topology	improve
Control method	Current mode
Duty Cycle (Max) (%)	100
Frequency (max) (kHz)	1000
On/off of undervoltage lockout threshold (5)	9.2/8.4
Pin/Pack	16PDIP，16SOIC，20PLCC
(#) Regulated output	2
Operating Temperature Range (°C)	-40 to 85

The ICs associated with the UC2824 include:

Model	Manufacturers	lot number	encapsulation	illustrate
ISL28246FBZ-T7	INTERSIL	10+	N/A	Brand new original import, Hong Kong spot
IS61LV12824	ISSI	04+	N／A	Brand new original
CC2824E105R-10	steward	09+	0	Original
IS61LV12824-10TQI	ISSI	03+	TQFP	Brand new original
UC2824N	TI	00+	N／A	New inventory
UC2824	TI	09+10+	16PDIP, 16SOIC	High-speed PWM controller
ISL28248	INTERISL	10+	SOT	ISL28248, micropower operational amplifiers
ISL28246	INTERISL	07+	SOP8	ISL28246, single and dual precision rail-to-rail input-output (RRIO) op amps with very low input bias current, 5MHz, single and dual precision rail-to-rail input-output (RRIO) op amps with very low input bias
IS61L12824-10B	MXIC	03+	SOP48

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