FAN5019BMTCX 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN5019BMTCX

6-Bit VID Controller 2-4 Phase VR10.X Controller

Fairchild Semiconductor 

PRODUCT SPECIFICATION

FAN5019B

Pin Definitions (continued)

Pin Number

16

17

18

19

20–23

24–27

28

Pin Name

CSREF

CSSUM

CSCOMP

GND

SW[4:1]

PWM[4:1]

VCC

Pin Function Description

Current Sense Reference. Non-Inverting input of the current sense amp. Sense

point for the output voltage used for OVP and PWRGD.

Current Sense Summing node. Inverting input of the current sense amp.

Current Sense Compensation node. Output of the current sense amplifier. This

pin is used, in conjunction with CSSUM to set the output droop compensation and

current loop response.

Ground. Signal ground for the device.

Phase Current Sense/Balance inputs. Phase-to-phase current sense and

balancing inputs. Unused phases should be left open.

PWM outputs. CMOS outputs for driving external gate driver such as the FAN5009.

Unused phases should be connected to Ground.

Chip Power. Bias supply for the chip. Connect directly to a +12V supply. Bypass

with a 1µF MLCC capacitor.

REV. 1.0.0 Jul/15/05

3

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