Cool-Power®

Rev 2.0

vicorpower.com

Page 7 of 42

02/2016

800 927.9474

PI33xx-x0

dimensions and 4 layer, 2 oz copper. Refer to inductor pairing table within Application Description section for specific inductor manufacturer and value.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Timing

Switching Frequency

[6]

500

kHz

Fault Restart Delay

30

ms

Sync In (SYNCI)

Synchronization Frequency

Range

50

110

%

SYNCI Threshold

2.5

V

Sync Out (SYNCO)

SYNCO High

Source 1 mA

4.5

V

SYNCO Low

Sink 1 mA

0.5

V

SYNCO Rise Time

20 pF load

10

ns

SYNCO Fall Time

20 pF load

10

ns

Soft Start And Tracking

TRK Active Input Range

Internal reference tracking range

0

1.04

V

TRK Max Output Voltage

1.2

V

TRK Disable Threshold

20

40

60

mV

Charge Current (Soft – Start)

-70

-50

-30

μA

Discharge Current (Fault)

6.8

mA

Soft-Start Time

2.2

ms

Enable

High Threshold

0.9

1

1.1

V

Low Threshold

0.7

0.8

0.9

V

Threshold Hysteresis

100

200

300

mV

Enable Pull-Up Voltage

(floating, unfaulted)

With positive logic EN polarity

2

V

Enable Pull-Down Voltage

(floating, faulted)

With negative logic EN polarity

0

V

Source Current

With positive logic EN polarity

-50

μA

Sink Current

With negative logic EN polarity

50

μA