PN8370

13/F, Building C, Wangzhuang Technology Innovation Center, Longshan Road,New District, Wuxi

Tel: +86(510)85217718 http://www.chipown.com.cn

Rev.A.1507 3 / 10

Electrical Characteristics

Table 3. Power section (T

J =25°C, VDD = 21 V; unless otherwise specified)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

VBVDSS

Break-down voltage

ISW = 250uA

650

700

V

IOFF

Off-state drain current

VSW = 500V

100

uA

RDS(on)

Drain-source on state

resistance

ISW = 1A, TJ = 25℃

2.5

Ω

VSW_START

Start up threshold

VDD=VDDon - 1V

30

V

Table 4. Supply section (T

J =25°C, VDD = 21 V; unless otherwise specified)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Supply Voltage Section

VDD

Operating voltage range

8

30

V

VDDon

VDD start up threshold

14.5

16.5

18.5

V

VDDoff

VDD under voltage shutdown

threshold

7.5

8.5

9.5

V

VDDovp

VDD over voltage protect

30

34

38

V

Supply Current Section

IDD0_CH

VDD charge current

VDD=VDDon - 1V, Vsw=100V

1.5

mA

IDD

Operating current, switching

VDD = VDDon ＋1V

0.5

mA

IDD_FAULT

Operating current after fault

VDD＝15V after fault

0.5

mA

Table 5. Controller section (T

J = 25°C, VDD = 21 V; unless otherwise specified)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Current Sense Section

VTH_OC

Current sense threshold

485

500

515

mV

VTH_OC_MAX

Maximum Current sense

threshold

550

mV

Vcs_min

Minimum CS threshold

170

mV

TLEB

Leading Edge Blanking time

300

ns

Tonmax

Maximum Ton

50

us

TD_OC

OCP propagation delay

100

ns

FB Section

VREF_CV

Reference voltage for

feedback threshold

2.475

2.5

2.525

V

VFBOVP

Output over voltage

protection threshold

2.85

3

3.15

V

VUVP

Output under voltage

threshold

1.55

V

Icable

Maximum cable

compensation current

VFB=0V

22

24

26

uA