NCP43080QDR2G datasheet(8/36 Pages) ONSEMI

Part #	NCP43080QDR2G

Description	Synchronous Rectifier Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP43080

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ELECTRICAL CHARACTERISTICS

−40

°C ≤ TJ ≤ 125°C; VCC = 12 V; CDRV = 0 nF; RMIN_TON = RMIN_TOFF = 10 kW; VLLD = 0 V; VCS = −1 to +4 V; fCS = 100 kHz, DCCS =

50%, unless otherwise noted. Typical values are at TJ = +25°C

Parameter

Unit

Max

Typ

Min

Symbol

Test Conditions

MAXIMUM tON ADJUST

Maximum tON Time

VMAX_TON = 3 V

tON_MAX

4.3

4.8

5.3

ms

Maximum tON Time

VMAX_TON = 0.3 V

tON_MAX

41

48

55

ms

Maximum tON Output Current

VMAX_TON = 0.3 V, VCS = 0 V

IMAX_TON

−105

−100

−95

mA

LLD INPUT

Disable Threshold

VLLD_DIS = VCC − VLLD

VLLD_DIS

0.8

0.9

1.0

V

Recovery Threshold

VLLD_REC = VCC − VLLD

VLLD_REC

0.9

1.0

1.1

V

Disable Hysteresis

VLLD_DISH

0.1

V

Disable Time Hysteresis

Disable to Normal, Normal to Disable

tLLD_DISH

45

ms

Disable Recovery Time

tLLD_DIS_REC

7.0

12.5

16.0

ms

Low Pass Filter Frequency

fLPLLD

6

10

13

kHz

Driver Voltage Clamp Threshold

VDRV = VDRVMAX, VLLDMAX = VCC − VLLD

VLLDMAX

2.0

V

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

TYPICAL CHARACTERISTICS

Figure 7. VCCON and VCCOFF Levels,

ver. A, D, Q

Figure 8. VCCON and VCCOFF Levels,

ver. B, C

TJ (°C)

100

80

60

40

20

0

−20

−40

3.7

3.8

3.9

4.1

4.2

4.4

4.6

4.7

100

80

60

40

20

0

−20

−40

7.3

7.5

7.7

8.1

8.3

8.7

8.9

9.3

120

4.0

4.3

4.5

VCCON

VCCOFF

VCCON

VCCOFF

120

7.9

8.5

9.1

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