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NX2415

TWO PHASE SYNCHRONOUS PWM CONTROLLER WITH INTEGRATED FET DRIVER AND DIFFERENTIAL CURRENT SENSE

Microsemi Corporation 

NX2415

PARAMETER

SYM

TEST CONDITION

MIN

Low Side Driver

(CL=4700pF)

Output Impedance, Sourcing

Current

Rsource(Ldrv)

I=200mA

Output Impedance, Sinking

Current

Rsink(Ldrv)

I=200mA

Rise Time

TLdrv(Rise)

10% to 90%

Fall Time

TLdrv(Fall)

90% to 10%

Deadband Time

Tdead(H to SW going Low to Ldrv going

L)

High, 10% to 10%

Current Sense

Amplifier(CS+, CS-)

Current Sense Amplifier

Mismatch

Voltage Gain

K

29.7

Droop Voltage Current

Source(Droop)

Droop Voltage Current Source

V(IOUT)=0.6V,feedback

resistor=10kohm,Rdroop=60

kohm

OCP Adjust

Blank time before activating

200Khz/Phase

OCP

Vref

Reference Voltage

Driving current ability

OVP Threshold

OVP Threshold

TYP MAX UNITS

1.1

ohm

0.5

ohm

40

ns

36

ns

30

ns

0

mV

30 30.3 V/V

100

uA

15

uS

1.6

V

5

mA

0.96

V

Rev.4.8

4

05/06/08

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