NCP1090, NCP1091, NCP1092

http://onsemi.com

5

Recommended Operating Conditions

Operating conditions define the limits for functional operation and parametric characteristics of the device. Note that the

functionality of the device outside the operating conditions described in this section is not warranted. Operating outside the

recommended operating conditions for extended periods of time may affect device reliability.

Symbol

Parameter

Min

Typ

Max

Units

Conditions

INPUT SUPPLY

VPORT

Input supply voltage

0

57

V

VPORT = VPORTP –

VPORTN

SIGNATURE DETECTION

Offset_det1

2

5

mA

VPORTP = RTN = 1.9 V

Rdet = 24.9 KW

Sleep_det1

15

21

mA

VPORTP = RTN = 9.8 V

Rdet = 24.9 KW

Offset_det2

73

77

81

mA

VPORTP = RTN = 1.9 V

Rdet = 24.9 KW

Sleep_det2

390

400

412

mA

VPORTP = RTN = 9.8 V

Rdet = 24.9 KW

CLASSIFICATION

Vcl_on

Classification current turn−on lower

threshold

9.8

11.3

13

V

VPORTP rising

Vcl_off

Classification current turn−off upper

threshold

21

24

V

VPORTP rising

Vclass_reg

Classification buffer output voltage

9.8

V

13 V < VPORTP < 21 V

Icl_bias

I(vportp) quiescent current during

classification

600

mA

I(class) excluded

13 V < VPORTP < 21 V

Iclass0

Class 0: Rclass 4420 W (Note 3)

0

−

4

mA

13 V < VPORTP < 21 V

Iclass1

Class 1: Rclass 953 W (Note 3)

9

−

12

mA

13 V < VPORTP < 21 V

Iclass2

Class 2: Rclass 549 W (Note 3)

17

−

20

mA

13 V < VPORTP < 21 V

Iclass3

Class 3: Rclass 357 W (Note 3)

26

−

30

mA

13 V < VPORTP < 21 V

Iclass4

Class 4: Rclass 255 W (Note 3)

36

−

44

mA

13 V < VPORTP < 21 V

UVLO − INTERNAL SETTING − NCP1090/91/92

Vuvlo_on

Default turn on voltage

−

37

40

V

VPORTP rising

Vuvlo_off

Default turn off voltage

29.6

31

−

V

VPORTP falling

Vhyst_int

UVLO internal hysteresis

−

6

−

V

Uvlo_filter

UVLO On / Off filter time

−

100

−

mS

For information only

UVLO − EXTERNAL SETTING – NCP1091 ONLY

Vuvlo_pr

UVLO external programming range

25

−

50

V

VPORTP rising

Vuvlo_on2

External UVLO turn on voltage

1.14

1.2

1.26

V

Vhyst_off2

External UVLO turn off voltage

0.95

1

1.05

V

Uvlo_ipd

UVLO internal pull down current

−

2.5

−

mA

AUXILIARY SUPPLY SETTING – NCP1092 ONLY

Aux_h

AUX input high level voltage

3.1

−

V

Aux_l

AUX input low level voltage

−

−

0.6

V

Aux_pd

AUX internal pull down resistor

100

−

−

KW

For information only

3. A tolerance of 1% on the Rclass resistor is included in the min/max values.