NX2422CMTR 查看數據表（PDF） - Microsemi Corporation

零件编号

产品描述 (功能)

生产厂家

NX2422CMTR

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

Microsemi Corporation 

NX2422

PARAMETER

SYM

TEST CONDITION

MIN TYP

Under Voltage, Vcc & EN2_B

VCC-Threshold

VCC-Hysteresis

EN2_B Threshold

EN2_B Hysteresis

Reference Voltage

Ref Voltage

Ref Voltage line regulation

Oscillator (Rt)

Frequency for each phase

Ramp-Amplitude Voltage

Ramp Peak

Ramp Valley

Max Duty Cycle

Min Duty Cycle

Transconductance

Amplifiers(CSCOMP)

Open Loop Gain

Transconductance

Voltage Mode Error

AOmpepnliLfioeorp Gain

Input Offset Voltage

Output Current Source

Output Current Sink

Output HI Voltage

Output LOW Voltage

SS (Internal )

Soft Start time

POK/INFEROUT

Threshold

Hysteresis

POK Voltage

High Side Driver

(CL=4700pF)

Output Impedance , Sourcing

Current

Output Impedance , Sinking

Current

Rise Time

Fall Time

Deadband Time

Low Side Driver

(CL=10000pF)

Output Impedance, Sourcing

Current

Output Impedance, Sinking

Current

VCC_UVLO

VCC_Hyst

VCC Rising

VEN2_B Rising

VREF 4.5V<5Vcc<5.5V

Fs

VRAMP

Rt=100kohm

200Khz/Phase

50

Vio_v

50

5

5

Vcc-1.5

Tss

400Khz/Phase

VFB Rising

IOUT=5mA(sourcing)

1.191

Rsource(Hdrv)

I=200mA

Rsink(Hdrv)

I=200mA

THdrv(Rise)

10% to 90%

THdrv(Fall)

90% to 10%

Tdead(L to Ldrv going Low to Hdrv going

H)

High, 10%-10%

Rsource(Ldrv)

Rsink(Ldrv)

I=200mA

I=200mA

4.1

0.4

0.82

80

0.6

0.2

400

1.02

2.2

1.18

97

65

1600

0

2.5

73

5

1.215

1

0.7

19

18.5

40

1

0.5

MAX UNITS

V

V

V

mV

V

%

KHz

V

V

V

%

0

%

dB

umoh

dB

mV

mA

mA

V

0.5

V

mS

1.24

%VP

%

V

ohm

ohm

ns

ns

ns

ohm

ohm

Rev.2.1

3

12/01/08

Share Link: