NCP1631PFCGEVB【PDF 3/23 页】BOARD DEMO NCP1631 INTERLEAV PFC

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Sheet目录1233

1页 2页 [3页]4页 5页 6页 7页

NCP1631

Table 2. TYPICAL ELECTRICAL CHARACTERISTICS TABLE

(Conditions: V CC = 15 V, V pin7 = 2 V, V pin10 = 0 V, T J = ? 40 ° C to +125 ° C, unless otherwise specified)

Characteristics

Test Conditions

Symbol

Min

Typ

Max

Unit

STARTUP AND SUPPLY CIRCUITS

Supply Voltage

V

Startup Threshold

Minimum Operating Voltage

Hysteresis V CC(on) – V CC(off)

Internal Logic Reset

V CC increasing

V CC decreasing

V CC decreasing

V CC(on)

V CC(off)

V CC(hyst)

V CC(reset)

11

9.5

1.5

4.0

11.85

10

1.85

5.75

12.7

10.5

?

7.5

Startup current

V CC = 9.4 V

I CC(start)

?

35

100

m A

Supply Current

mA

Device Enabled/No output load on pin6

Current that discharges V CC in latch mode

Current that discharges V CC in OFF

mode

F sw = 130 kHz (Note 4)

V CC = 15 V, V pin10 = 5 V

V CC = 15 V, pin 7 grounded

I CC1

I CC(latch)

I CC(off)

?

–

?

5.0

0.4

0.4

7.0

0.8

0.8

OSCILLATOR AND FREQUENCY FOLDBACK

Clamping Charging Current

Charge Current with no frequency foldback

Charge Current @ I pin6 = 50 m A

Maximum Discharge Current

with no frequency foldback

Discharge Current @ I pin6 = 50 m A

Voltage on pin 6

Oscillator Upper Threshold

Oscillator Lower Threshold

Oscillator Swing (Note 5)

Pin 6 open

Pin 6 grounded

I pin6 = 50 m A

Pin 6 grounded

I pin6 = 50 m A

I pin6 = 50 m A, V pin5 = 2.5 V

I OSC(clamp)

I OSC(CH1)

I OSC(CH2)

I OSC(DISCH1)

I OSC(DISCH2)

V FF

V OSC(high)

V OSC(low)

V OSC(swing)

31.5

126

76.5

94.5

45

0.9

?

3.6

0.93

35

140

85

105

50

1.0

5

4.0

0.98

38.5

154

93.5

115.5

55

1.3

?

4.4

1.03

m A

m A

m A

m A

m A

V

V

V

V

CURRENT SENSE

Current Sense Voltage Offset

Current Sense Protection Threshold

Threshold for In ? rush Current Detection

(Note 5)

I pin9 = 100 m A

I pin9 = 10 m A

T j = 25 ° C

Tj = ? 40 ° C to 125 ° C

V CS(TH100)

V CS(TH10)

I ILIM1

I ILIM2

I in ? rush

? 20

? 10

202

194

11

0

0

210

210

14

20

10

226

226

17

mV

m A

m A

GATE DRIVE

Drive Resistance

Ω

DRV1 Sink

DRV1 Source

DRV2 Sink

DRV2 Source

I pin14 = 100 mA

I pin14 = ? 100 mA

I pin11 = 100 mA

I pin11 = ? 100 mA

R SNK1

R SRC1

R SNK2

R SRC2

–

–

–

–

7

15

7

15

15

25

15

25

Drive Current Capability (Note 5)

mA

DRV1 Sink

DRV1 Source

DRV2 Sink

DRV2 Source

V DRV1 = 10 V

V DRV1 = 0 V

V DRV2 = 10 V

V DRV2 = 0 V

I SNK1

I SRC1

I SNK1

I SRC1

?

?

?

?

800

500

800

500

?

?

?

?

Rise Time

ns

DRV1

DRV2

C DRV1 = 1 nF, V DRV1 = 1 to 10 V

C DRV2 = 1 nF, V DRV2 = 1 to 10 V

t r1

t r2

?

?

40

40

?

?

4. DRV1 and DRV2 pulsating at half this frequency, that is, 65 kHz.

5. Not tested. Guaranteed by design and characterization.

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