UCC28513

所属类别：ACDC-和-DCDC-电源
产品名称：高级 PFC/PWM 组合控制器
厂商：TI
生产批号：10+
封装：20PDIP, 20SOIC
库存状态：有库存
库存量：30000
最低订购量：1
详细资料：

Product Introduction

The combined PFC/PWM controller UCC28510 series provides any off-line power required with IEC1000-3-2 harmonics to reduce the full control functionality of the system. By combining into a single device, significant performance and cost advantages of the PFC and PWM stages of control and drive signals are benefits. The ripple current is minimized at the boost capacitor through a mechanism that manages the two stages of modulation (for PFC-leading modulation and PWM modulation for trailing edge).

Based on the average current mode control architecture, the input voltage is pre-fed by the PFC/PWM combined controller, which these devices offer performance benefits. The two new main features are programmable PWM maximum duty cycle and the option of 2 PWM frequencies for base PFC.

characteristic

PFC and PWM power stages are provided in one device
Leading PFC, trailing edge PWM modulation reduces ripple
Built-in PFC and PWM sequencing steering up
2, source and 3 sinks are suitable for PFC and PWM gate drives in both stages
A typical rise time of 16-ns and a fall time of 7 ns is a load of 1-NF
Features of PFC:
- Continuous on-mode operation controlled by average current mode
- High linear multiplier power factor of nearly 1
- Input voltage feedforward implementation
- Improved load transient response
- Precise power limits
- Zero power detection
Features of PWM:
- Peak current mode controls operation
- PFC:PWM frequency options for 1:1 or 1:2
- Programmable maximum duty cycle
- Programmable soft start
- Two different hold time requirements hysteresis options

parameter

	UCC28513
On/off of undervoltage lockout threshold (5)	10.2/9.7
Working power supply (max) (five)	18
Starting Current (mA)	0.1
Operating Supply Current (mA)	4
Actual operating frequency (max) (MHz)	0.5
Pin/Pack	20PDIP，20SOIC

ICs related to UCC28513 include:

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UCC28513

parameter

ICs related to UCC28513 include:

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