ST VIPER26LD

任意一种11.5V ~ 23.5V20 W

Overview

The VIPerPlus series of high-voltage converters combine an 800V avalanche-rugged MOSFET, that allows ultra-wide range mains voltage input, with a leading-edge PWM controller. VIPerPlus fixed frequency off-line converters enable SMPS designs meeting the most demanding energy saving regulations with enhanced reliability and scalability. It also comes with the largest choice of protection schemes and supports different topologies.

Features

800 V avalanche rugged power MOSFET allows a wide range of VAC input range to be covered

Embedded HV startup and sense-FET

The current mode PWM controller

Minimized system input power consumption:

– Less than 30 mW @ 230 VAC in no-load condition

– Less than 400 mW @ 230 VAC with 250 mW load

Limiting current with adjustable set point

Jittered switching frequency to reduce the EMI filter cost:

– 60 kHz ±4 kHz (L type)

– 115 kHz ±8 kHz (H type)

Embedded error amplifier

Hysteretic thermal shutdown

Built-in soft-start for improved system reliability

Protections with automatic restart: overload/short-circuit (OLP), feedback loop disconnection

Applications

Auxiliary power supply for appliances

Power metering

LED drivers

SMPS for set-top boxes, DVD players, and recorders