NX2423 Ver la hoja de datos (PDF) - Microsemi Corporation

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Fabricante

NX2423

TWO PHASE SYNCHRONOUS PWM CONTROLLER WITH INTEGRATED FET DRIVER, DIFFERENTIAL CURRENT SENSE & 5V BIAS REGULATOR

Microsemi Corporation 

NX2423

PARAMETER

SRuispepTlyimVeoltage(Vcc)

Fall Time

Deadband Time

Propagation Delay

Current Sense

Amplifier(CS+, CS-)

Input Offset Voltage

Voltage Gain

OVP Threshold

OVP Threshold

FB UVLO Threshold

FB UVLO Threshold

REFIN VOLTAGE

REFIN Voltage Range

Disable Voltage Threshold

Threshold Enable Internal

Reference

5V AUX REG

Regout Output Voltage High

Regout Output Voltage Low

Internal Schottky Diode

Forward voltage drop

SYM

TEST CONDITION

MIN

TLdrv(Rise)

10% to 90%

TLdrv(Fall)

90% to 10%

Tdead(H to SW going Low to Ldrv going

L)

High, 10% to 10%

Tdealy(H) IN going High to Ldrv going

Low

-2

29.7

percent of Vp

percent of Vp

0.4

0.3

VIN=12V, PVCC=3V

VIN=12V,

PVCC=5.8V,

VCCDRV connected to 12V

by 1k resistor

forward current=10mA

TYP MAX UNITS

34

ns

18

ns

10

ns

14

ns

2

mV

30 30.3 V/V

130

%

70

%

2.5

V

0.35 0.4

V

75

%VCC

11

V

2

V

600

mV

Rev. 2.1

4

12/01/08

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