FAN5018B Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN5018B

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

Fairchild Semiconductor 

PRODUCT SPECIFICATION

FAN5018B

Electrical Specifications (continued)

(VCC = 12V, TA = 0°C to +85°C and FBRTN=GND, using circuit in Figure 1, unless otherwise noted.)

The • denotes specifications which apply over the full operating temperature range.

Parameter

Power Good Delay Time

Initial Start Up

VID Code Changing

VID Code Static

Crowbar Trip Point

Crowbar Reset Point

Crowbar Delay Time

VID Code Changing

VID Code Static

PWM Outputs

Output Voltage Low

Output Voltage High

Input Supply

DC Supply Current

UVLO Threshold

UVLO Hysteresis

UVLO Threshold

Symbol

VCROWBAR

tCROWBAR

VOL(PWM)

VOH(PWM)

VUVLO

Conditions

Relative to Nominal DAC Output

Relative to FBRTN

Over voltage to PWM Going Low

IPWM(SINK) = 400µA

IPWM(SOURCE) = 400µA

EN = Logic High

Vcc Rising (Vcc = 12V input)

Falling

Min. Typ. Max. Units

•

1

10

ms

100 250

µs

200

ns

• 180 300 400 mV

• 570 700 830 mV

• 100 250 500

µs

400 600

ns

•

160 500 mV

•4

5

5.5

V

•

5

10

mA

• 6.5 6.9 8.1

V

• 0.7

V

• 5.6

7.1

Notes:

1. All limits at operating temperature extremes are guaranteed by design, characterization and statistical quality control

2. Guaranteed by design – NOT tested in production.

REV. 1.0.0 Jul/15/05

7

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