WT7576数据手册Weltrend中文资料规格书

描述 Description

WT7576 is a switching power supply supervisor which monitors two channel of +12 Voutputs. The protections include Over Voltage Protection (OVP), Under Voltage Protection (UVP),Over Current Protection (OCP), Over Temperature Protection (OTP), and Under Voltage Lockout (UVLO). When fault condition is detected, PGO is asserted to LOW and FPOB latched HIGH.

特性 Features

• Two channels for 12V OVP, UVP and OCP
• Over Temperature Protection (VX)
• Fault protection latch with open-drain output stage
• PGO(Power Good Output) with open-drain output stage
• 14 μs OVP debounce (*141)
• 60 μs UVP debounce (*141)
• 35 μs OVP debounce (*143)
• 55 μs UVP debounce (*143)
• 20 ms OCP debounce
• 1 ms VX debounce
• 38 ms PSONB debounce
• 70 μs PGI debounce
• 300 ms PGO delay (*141)
• 250 ms PGO delay (*143)
• Short-circuit turn-on protection
• 3.5ms PSONB control to FPOB turn-off delay
• VCC under voltage lockout
• OC/VX protection latch
• Package Type: PDIP-14 and SOP-14