UCC28086

所属类别：ACDC-和-DCDC-电源
产品名称：具有可编程斜率补偿的电流模式推挽 PWM
厂商：TI
生产批号：10+
封装：8PDIP, 8SOIC, 8TSSOP
库存状态：有库存
库存量：2502
最低订购量：1
详细资料：

Product Introduction

The UCC38083/4/5/6 is a series of BiCMOS pulse-width modulation (PWM) DC-to-DC or off-line fixed-frequency current-mode switching power controllers. This dual output stage configuration is a push-pull topology. Half of the oscillators of the two output switches use one switch flip-flop frequency. The dead zone time between two outputs is typically 110 nanoseconds, limiting the duty cycle to less than 50% per output.

The new UCC3808x family is based on UCC3808A architecture. Key differences include a programmable slope compensation ramp to CS signal and increased relocation of error amplifiers. Currently, the SSET pin flows through an external resistor to set the severity of the ramp compensation function internally monitored.

characteristic

Programmable slope compensation
Internal soft-start UCC38083 / 4
Cycle-by-cycle current limit
Typical operation with low start-up of 120μA and 1.5 mA current
The external element oscillator is programmable from 50 kHz to 1 MHz
High-current totem pole output stage drivers with dual push-pull 1-one receiver and 0.5-A source configuration capability
Current-sensing discharge transistors to improve dynamic response
Internal fine-tuning bandgap datum
Undervoltage lockout and hysteresis
apply
- High-efficiency switch-mode power supply
- Telecom DC to DC converter
- Available power modules for point loads or points
- Low-cost push-pull and semi-bridge applications

parameter

	UCC28086
topology	Half bridge, push and pull
Control method	Current mode
Duty Cycle (Max) (%)	50
Frequency (max) (kHz)	1000
On/off of undervoltage lockout threshold (5)	4.3/4.1
Pin/Pack	8PDIP，8SOIC，8TSSOP
(#) Regulated output	2
Operating Temperature Range (°C)	-40 to 85

UCC28086-related ICs include:

Model	Manufacturers	lot number	encapsulation	illustrate
UCC28086	TI	10+	8PDIP, 8SOIC, 8TSSOP	Current-mode push-pull PWM with programmable slope compensation

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TI brand product recommendation

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UCC28085	TI	10+	8PDIP, 8SOIC, 8TSSOP	Current-mode push-pull PWM with programmable slope compensation
UCC28084	TI	10+	8PDIP, 8SOIC, 8TSSOP	Current-mode push-pull PWM with programmable slope compensation
UCC28083	TI	09+	8PDIP, 8SOIC, 8TSSOP	Current-mode push-pull PWM with programmable slope compensation
UCC2808-2	TI	10+	8PDIP, 8SOIC	Low-power current-mode push-pull PWM
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UCC2806	TI	07+	16PDIP, 16SOIC, 16SSOP/QSOP, 16TSSOP, 20PLCC	Low-power, dual-output, current-mode PWM controller
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UCC2805	TI	10+	8PDIP, 8SOIC, 8TSSOP	Automotive low-power BiCMOS current-mode PWM
UCC2804	TI	09+	8PDIP, 8SOIC, 8TSSOP	Low-power BiCMOS current-mode PWM
UCC2803-Q1	TI	10+	8SOIC	Automotive low-power BiCMOS current-mode PWM
UCC2803	TI	09+	8PDIP, 8SOIC, 8TSSOP	Low-power BiCMOS current-mode PWM
UCC2802-Q1	TI	10+	8SOIC	Automotive low-power BiCMOS current-mode PWM
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UCC28086

parameter

UCC28086-related ICs include:

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