L6714 STMicroelectronics, L6714 Datasheet - Page 48

• Manufacturer Part Number: L6714
• Description: IC CTRLR 4PH W/DRIVERS 64-TQFP
• Manufacturer: STMicroelectronics

Specifications of L6714

• Applications: Controller, Intel VR10, VR11, AMD CPU
• Voltage - Input: 12V
• Number Of Outputs: 4
• Voltage - Output: 0.3 ~ 1.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP Exposed Pad, 64-eTQFP, 64-HTQFP, 64-VQFP
• Mounting Style: SMD/SMT
• Case: QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Output voltage monitor and protections
16.3
16.4
48/70
PGOOD (Only for AMD mode)
Over voltage and programmable OVP
Once VCC crosses the turn-ON threshold and the device is enabled (OUTEN = 1), L6714
provides an Over Voltage Protection: when the voltage sensed by VSEN overcomes the
OVP threshold, the controller permanently switches on all the low-side MOSFET and
switches off all the high-side MOSFET in order to protect the load. The OSC/ FAULT pin is
driven high (5V) and power supply or OUTEN pin cycling is required to restart
operations.The OVP Threshold varies according to the operative mode selected
Table
The OVP threshold can be also programmed through the OVP pin: leaving the pin floating, it
is internally pulled-up and the OVP threshold is set according to
OVP pin to SGND through a resistor R
at the pin. Since the OVP pin sources a constant I
programmed voltage becomes:
Filter OVP pin with 100pF(max) vs. SGND.
It is an open-drain signal set free after the soft-start sequence has finished. It is pulled low
when the output voltage drops below -300mV of the programmed voltage.
10).
OVP
TH
=
R
OVP
OVP
12.5 A
, the OVP threshold becomes the voltage present
OVP
= 12.5 A
R
OVP
=
current(See Table
Table
OVP
------------------- -
12.5 A
TH
10. Connecting the
(See
10), the
L6714