PI2211 datasheet(4/26 Pages) VICOR

4 / 26 page

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Picor Corporation · picorpower.com

PI2211

Rev 1.1, Page 4 of 26

PI2211

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Electrical Specifications(Continued)

Unless otherwise specified: -40C < TJ < 125C, BUS = 4.5 to 14 Volts (No Auxiliary Supply at VCC), BUS = 0.9 to 4.5 Volts ( 3.8 V < VCC

< VCC Clamp). RACC = 20.0k

Parameter

Min

Typ

Max

Units

Conditions

OVLO Threshold (High to Low Transition of VIN)

0.650

0.675

0.700

OVLO De-asserted

OVLO Hysteresis

100

UVLO Blanking Filter

100

300

OVLO Blanking Filter

UVLO/OVLO Holdoff Time

100

300

Ensures gate is maintained low.

OV Current

-0.3

0.3

UV Current

-0.3

0.3

Gate Drive

(VGATE @ GDR pin to GND, VGS @ GDR pin to SRC pin). Operation is not in Current Limit.

VGATE High

VBUS +

4.65

VBUS +

6.5

Not to exceed 21V.

Gate Drive Operating Range (VGS)

4.65

6.5

VGS Current Limit Disable Threshold

4.0

4.6

Power Good

VGS Current Limit Enable Threshold

Start-up

Gate Current (Sourcing Mode)

VGS = 0 to 4.6 V

Gate Current (Sinking Mode)

(2)

0.18

0.25

0.33

VGS = 0.3 to Gate Drive Operating

Range.

VDRAIN > Drain Low-Threshold

Gate Current (Sinking Mode)

(2)

VGATE = 14 V.

VDRAIN < Drain High-Threshold

OFF State Gate Discharge Path to GND (Gate Pull

Down)

Ohm

@ 50 mA

SRC Pin Current

-2

2.5

@ 14 Volts. Positive Current into pin.

Current Limit & Sense

(CSP to CSN)

Differential Current Limit Sense Voltage

TA = 25°C

Current Ramp Time to Current Limit Level (GBD)

120

Settling to within 5%

Current Limit Overshoot (GBD)

Closed loop, shorted load, MOSFET

transconductance 20 to 200 A / V

CSP Pin Current

-10

CSN Pin Current

-10

Note 2: This current is the gate discharge current for all shutdown conditions except circuit breaker (short circuit). This includes UV,

Disable (UV/EN pin), OV, SOA.

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