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TEXAS INSTRUMENTS LM5032MTC/NOPB
PWM控制器, 15V-8V电源, 1 MHz, 300mV/100mA输出, TSSOP-16
产品概述
The LM5032MTC/NOPB is a dual current-mode Pulse Width Modulated (PWM) Controller contains all the features needed to control either two independent forward dc/dc converters or a single high current converter comprised of two interleaved power stages. The two controller channels operate 180° out of phase thereby reducing input ripple current. It includes a startup regulator that operates over a wide input range up to 100V and compound (bipolar + CMOS) gate drivers that provide a robust 2.5A peak sink current. The adjustable maximum PWM duty cycle reduce stress on the primary side MOSFET switches. Additional features include programmable line undervoltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable response time, PWM slope compensation, soft-start and a 2MHz capable oscillator with synchronization capability.
- Two independent PWM current mode controllers
- Integrated high-voltage startup regulator
- Compound 2.5A Main output gate drivers
- Synchronizable oscillator
- Programmable maximum duty cycle
- Maximum duty cycle fold-back at high-line voltage
- Adjustable timer for hiccup mode current limiting
- Integrated slope compensation
- Adjustable line undervoltage lockout
- Independently adjustable soft-start
- Direct interface with opto-coupler transistor
- Thermal shutdown
- Green product and no Sb/Br
产品信息
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