3

HV9980

Sym

Parameter

Min

Typ

Max Units Conditions

Current Sense Comparators (CS1 - REF1, CS2 - REF2, CS3 - REF3)

V

CS(LIM)

Short circuit protection threshold *

1.0

-

1.3

V

---

T

SKIP

Short circuit recovery delay

-

-

200

-

µs

---

T

BLANK

Leading edge blanking delay

-

120

-

220

ns

---

V

OS

Input offset voltage

*

-7.0

-

7.0

mV

---

T

DELAY

Propagation delay CS-to-DRAIN *

-

-

150

ns

V

T

DELAY(LIM)

Shutdown delay CS-to-DRAIN

*

-

-

0.5

µs

V

Oscillator Input and Frequency Divider (CLK)

F

SW(max)

Maximum switching frequency

*

500

-

-

kHz

f

K

SW

Frequency divider ratio

-

-

6

-

-

Guaranteed by design

φ

2

DRAIN1-DRAIN2 phase delay

-

-

120

-

deg

Guaranteed by design

φ

3

DRAIN1-DRAIN3 phase delay

-

-

240

-

deg

Guaranteed by design

T

OFF

CLK high time

-

50

-

-

ns

---

T

ON

CLK low time

-

50

-

-

ns

---

V

CLK,HI

CLK Input high

*

2.0

-

-

V

---

V

CLK,LO

CLK Input low

*

-

-

0.8

V

---

PWM Dimming (PWMD1, PWMD2, PWMD3)

V

PWMD,HI

PWMD Input high

*

2.0

-

-

V

---

V

PWMD,LO

PWMD Input low

*

-

-

0.8

V

---

R

PWMD

PWMD Pull down resistance

-

100

200

300

kΩ

PWMD = 5.0V

Over Temperature Protection

T

OT

Over temperature trip limit

-

125

140

-

°C

Guaranteed by design

T

HYST

Temperature hysteresis

-

-

60

-

°C

Guaranteed by design

* Denotes the specifications which apply over the full operating ambient temperature range of -40°C < T