Weltrend offers supervisory ICs for switching power supplies to perform housekeeping functions such as overcurrent and overvoltage protections.
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Switching Power Supply
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Supervisor ICs
Item
Description
Package
WT7036
2/3/4 wires Fan Motor Controller with minimum speed setting.
DIP/SOP 8
WT7038
2/3/4 wires Fan Motor Controller for HP patented fan command.
DIP/SOP 8
WT7502
PC SPS supervisor with 3.3V/5V/12V UVP/OVP
DIP/SOP 8
WT7502R
PC SPS supervisor with 3.3V/5V/12V UVP/OVP, meets Intel V1.4 requirements.
DIP/SOP 8
WT7507
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV/OT/OC
DIP/SOP 16
WT7507T
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV/OT, Auto-calibration OC.
DIP/SOP 16
WT7520
PC SPS supervisor 3.3V/5V/12V UVP/OVP;PWM control for Half-Bridge
DIP 16
WT7524
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV/OC
DIP/SOP 16
WT7525
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC UV/OV/OC
DIP/SOP 14/16/18
WT7527
PC SPS supervisor with 3.3V/5V/12VA/12VB UVP/OVP/OCP
DIP 16/SOP 16
WT7527RA
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV/OC, meets Intel V1.4 requirements.
DIP/SOP 14/16
WT7527RT
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV,
Auto-calibration OC, meets Intel V1.4 requirements.
DIP 14/SOP 14 DIP 16/SOP 16
WT7527T
PC SPS supervisor with 3.3V/5V/12VA/12VB UV/OV, Auto-calibration OC.
DIP/SOP 14/16
WT7527V
PC SPS supervisor with 3.3V/5V/12VA/12VB UVP/OVP/OCP
DIP 16/SOP 16
WT7530
1set high-side current shut monitor
SOT 25
WT7542
LCD TV power supervisor with 12V/24V OVP/OCP
DIP/SOP8
WT7576
PC SPS supervisor with 12VA/12VB UVP/OVP/OCP/OTP
DIP 14 /SOP 14
WT7578
PC SPS supervisor with 12VA/12VB UVP/OVP/OCP.
DIP 14 /SOP 14
WT7578T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP.
DIP 14 /SOP 14
WT7578RT
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, meets Intel V1.4 requirements.
DIP 14/ SOP 10 / SOP 14
WT7579
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC/12VD UVP/OVP/OCP
DIP 18/20 / SOP 18/20
WT7579T
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC/12VD UVP/OVP, Auto-calibration OCP.
DIP 20 / SOP 20
WT7579RT
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC/12VD UVP/OVP,
Auto-calibration OCP, meets Intel V1.4 requirements.
DIP 20 / SOP 20
WT76014T
PC SPS supervisor with 12VA/12VB/12VC/12VD UVP/OVP, Auto-calibration OCP.
DIP 16 / SOP 16
WT76016T
PC SPS supervisor with 12VA/12VB/12VC/12VD/12VE/12VF UVP/OVP, Auto-calibration OCP.
DIP 20 / SOP 20
WT76018T
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC/12VD/12VE/12VF UVP/OVP, Auto-calibration OCP.
DIP 24 / SOP 24
WT76018RT
PC SPS supervisor with 3.3V/5V/12VA/12VB/12VC/12VD/12VE/12VF UVP/OVP,
Auto-calibration OCP, meets Intel V1.4 requirements.
SOP 24
WT7603T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, Burst mode control.
SOP 16
WT7605T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, Burst mode and Fan control.
SOP 16
WT7610T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, Burst mode and 2 fault control.
SOP 16
WT7611T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, Burst mode control.
SOP 16
WT7612T
PC SPS supervisor with 12VA/12VB UVP/OVP, Auto-calibration OCP, Burst mode and 2 fault control.
SOP 16
WT7621T
PC SPS supervisor with 19.5VA/19.5VB UVP/OVP, Auto-calibration OCP, Burst mode control.
SOP 16
WT7622T
PC SPS supervisor with 24VA/24VB/24VC UVP/OVP, Auto-calibration OCP, Burst mode control.
SOP 16
WT7623T
PC SPS supervisor with 12VA/24VB UVP/OVP, Auto-calibration OCP, Burst mode control.
SOP 16
WT7681P
PC SPS 2ch/3ch digital supervisor with UVP/OVP, and Auto-calibration OCP
SOP 16 / SOP 20
WT7683P
PC SPS 1ch digital supervisor with UVP/OVP, and Auto-calibration OCP
SOP 14
Power op amps
Item
Description
Package