IR3094PBF 데이터 시트보기 (PDF) - International Rectifier

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IR3094PBF

3 PHASE PWM CONTROLLER FOR POINT OF LOAD

International Rectifier 

IR3094PBF

PARAMETER

Share Adjust Error Amplifier

Input Offset Voltage

MAX Duty Cycle Adjust Ratio

MIN Duty Cycle Adjust Ratio

Transconductance

SCOMPX Source/Sink Current

SCOMPX Precondition and

GATELX Release Threshold

SCOMP precondition current

Duty Cycle Match at Startup

0% Duty Cycle Comparator

Threshold Voltage

Propagation Delay

OVP

Comparator Threshold

Power-up Headroom for OVP

Flag

OVPSNS Threshold at Power-

up

SS/DEL Power-up Clear

Threshold

Propagation Delay

OVP Source Current

OVP Pull Down Resistance

OVP High Voltage

OVPSNS Bias Current

5VREF

Short Circuit Current

Supply Voltage

General

VCC Supply Current

VOSNS- Current

VCCHX and VCCL3 Current

VCCL1_2 Supply Current

5VUVL Supply Current

TEST CONDITION

Note 1

Compare Duty Cycle to GATEH1

Compare Duty Cycle to GATEH1

Note 1

V(FB)

Compare Duty Cycle to GATEHX

Below Internal Ramp1 Start Voltage

VCCLX= 8V. Step EAOUT from .8V to

.3V and measure time to GATELX

transition to < 7V.

Compare to V(VREF)

VCC=OVPSNS where V(OVP)>0.5V.

Same for 5VUVL=OVPSNS.

VCC=2V, V(OVP) >0.5V. Same for

V(5VUVL)=2V.

VCC=12V, V(OVPSNS)=1V,

VREF=1.6V, where OVP<0.5V

VCCLX= 8V. V(EAOUT)=0V. Step

OVPSNS 540mV + V(VREF). Measure

time to GATELX transition to >1V.

Note 1.

V(OVP)=0.5V, VCC=1.8V, 5VUVL=0V

OVP to LGND

I(OVP)=10uA, V(VCC) or V(5VUVL)-

V(OVP), VCC=1.8V

I(5VREF)=0A

V(VCC)=16V

-0.3V ” VOSNS- ” 0.3V

V(VCCHX)=28V, V(VCCL3)=14V

V(VCCL1_2)=14V

V(5VUVL)=5V, no OVP condition

Non_Sync to Sync Threshold

MIN

-5

1.5

0.6

100

16

0.6

160

-7

-25

120

0.8

0.3

0.35

150

10

30

0.4

-6.0

20

4.5

28.5

0.6

3

6

100

70.6

Note 1: Guaranteed by design, but not tested in production

Note 2: VREF Output is trimmed to compensate for Error Amp input offsets errors

TYP

0

2.0

0.5

200

22

0.67

360

-1

25

200

150

1.1

0.48

0.60

350

75

60

0.70

-3.0

45

5

35

0.8

5

10

200

77.7

MAX

5

300

28

0.74

560

7

75

400

200

1.8

0.85

0.95

650

100

1.1

1.5

60

5.5

40.5

1.2

7

17

400

87

UNIT

mV

PA/V

PA

V

PA

%

mV

ns

mV

V

V

V

ns

PA

kŸ

V

uA

mA

V

mA

mA

mA

mA

uA

%VRE

F

Page 7 of 29

09/26/05

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