L6717ATR datasheet(12/57 Pages) STMICROELECTRONICS

12 / 57 page

Pins description and connection diagrams

L6717A

12/57

DocID024465 Rev 1

CS1P

Channel 1 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 1 inductor. See

Section 11 for proper layout of this connection.

CS1N

Channel 1 current sense negative input.

Connect through a R

resistor to the output-side of the channel inductor. Filter the

Vout-side of R

resistor with 100nF to GND.

See

Section 11 for proper layout of this connection.

CS2P

Channel 2 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 2 inductor. See

Section 11 for proper layout of this connection.

CS2N

Channel 2 current sense negative input.

Connect through a R

resistor to the output-side of the channel inductor. Filter the

Vout-side of R

resistor with 100nF to GND.

See

Section 11 for proper layout of this connection.

CS3P

Channel 3 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 3 inductor. When

working at 2 phase, directly connect to V

out_CORE

See

Section 11 for proper layout of this connection.

CS3N

Channel 3 current sense negative input.

Connect through a R

resistor to the output-side of the channel inductor. When

working at 2 phase, connect through R

to CS3+. Filter the Vout-side of R

resistor

with 100nF to GND.

See

Section 11 for proper layout of this connection.

CS4P

Channel 4 current sense positive input.

Connect through an R-C filter to the phase-side of the channel 4 inductor. When

working at 2 or 3 phase, directly connect to V

out_CORE

See

Section 11 for proper layout of this connection.

CS4N

Channel 4 current sense negative input.

Connect through a R

resistor to the output-side of the channel inductor. When

working at 2 or 3 phase, connect through R

to CS4+.Filter the Vout-side of R

resistor with 100nF to GND.

See

Section 11 for proper layout of this connection.

NB_CSP

NB channel current sense positive input.

Connect through an R-C filter to the phase-side of the NB channel inductor. See

Section 11 for proper layout of this connection.

NB_CSN

NB channel current sense negative input.

Connect through a R

resistor to the output-side of the channel inductor. Filter the

Vout-side of R

resistor with 100nF to GND.

See

Section 11 for proper layout of this connection.

Table 2. Pin description (continued)

Pin#

Name

Function

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