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L6713A

STMicroelectronics
Part Number L6713A
Manufacturer STMicroelectronics
Description 2/3 phase controller
Published Aug 20, 2009
Detailed Description www.DataSheet4U.com L6713A 2/3 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6 bit CPUs Features ...
Datasheet PDF File L6713A PDF File

L6713A
L6713A

Overview
www.
DataSheet4U.
com L6713A 2/3 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6 bit CPUs Features ■ Load transient boost LTB Technology™ to minimize the number of output capacitors (patent pending) Dual-edge asynchronous PWM Selectable 2 or 3 phase operation 0.
5 % output voltage accuracy 7/8 bit programmable output up to 1.
60000 V Intel VR10.
x, VR11 DAC 6 bit programmable output up to 1.
5500 V AMD 6 bit DAC High current integrated gate drivers Full differential current sensing across inductor Embedded VRD thermal monitor Differential remote voltage sensing Dynamic VID management Adjustable voltage offset Low-side-less startup Programmable soft-start Programmable over voltage protection Preliminary over voltage protection Programmable over current protection Adjustable switching frequency Output enable SS_END / PGOOD signal TQFP64 10x10 mm package with exposed pad TQFP64 (Exposed pad) ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Description L6713A implements a two/three phase step-down controller with 180º/120º phase-shift between each phase with integrated high current drivers in a compact 10x10 mm body package with exposed pad.
The 2 or 3 phase operation can be easily selected through PHASE_SEL pin.
Load transient boost LTB Technology™ (patent pending) reduces system cost by providing the fastest response to load transition therefore requiring less bulk and ceramic output capacitors to satisfy load transient requirements.
LTB Technology™ can be disabled and in this condition the device works as a dual-edge asynchronous PWM.
The device embeds selectable DACs: the output voltage ranges up to 1.
60000 V (both Intel VR10.
x and VR11 DAC) or up to 1.
5500 V (AMD 6BIT DAC) managing D-VID with ± 0.
5% output voltage accuracy over line and temperature variations.
The controller assures fast protection against load over current and under / over voltage (in this last case also before UVLO).
In case of over-current the device turns off all MOSFET and latches th...


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