Weltrend | Products

Supervisor ICs

WT7605T

WT7605T is a switching power supply supervisor which monitors two channels of +12VA and +12VB outputs. The protections include Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Current Protection (OCP), Over Temperature Protection (OTP), VX and VCC Under Voltage Lockout (UVLO). When +12VA or +12VB fault condition is detected, FPOB latched LOW. It also provides BE signal for burst mode detected and fan speed control.

Features

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

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