Weltrend | Products

Supervisor ICs

WT7612T

WT7612T is a switching power supply supervisor which monitors twochannelsof +12VA and +12VBoutputs.The protections include Over Voltage Protection (OVP), UnderVoltage Protection (UVP), Over Current Protection (OCP), VXand VCC Under Voltage Lockout (UVLO). When +12VA or +12VB OVfault condition is detected, FPOB1latched LOW.When +12VA or +12VB OC or VX or UVfault condition is detected, FPOB2 latched LOW.It also provides BE signal for burst mode detected.

Features

- Two channels for 12V OVP, UVP and OCP
- External Voltage Protection (VX)
- Two Fault protection latch with open-drain output stage (FPOB1 and FPOB2)
- 25ms OCP debounce
- 10 ms PSONB debounce
- 1 ms VX debounce.
- 73 us UVP debounce
- 14 μs OVP debounce
- 50ms time delay for UVP / OCP/BE
- VCC under voltage lockout
- BE control signal for burst mode with open-drain output stage
- Package Type: SOP-16

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