 2016 Microchip Technology Inc.

DS20005550A-page 5

HV9901

Note 1: Maximum allowable load current limited by power dissipation and operating ambient temperature

OSCILLATOR

PWM Oscillator Frequency

20

25

35

kHz

80

100

140

kHz

Temperature Coefficient

—

—

170

—

Oscillator SYNC Frequency

—

—

150

kHz

SYNC Sourcing Current

20

—

55

μA

SYNC Sinking Current

1

—

—

mA

SYNC Input Logic Low

Voltage

—

—

1

V

PWM

Maximum Duty Cycle

96.5

—

99.5

%

86.5

—

97.5

%

Blanking Time

150

215

280

ns

MOSFET DRIVER

Gate Drive Output High

—

—

V

Gate Drive Output Low

—

—

0.3

V

Rise Time

—

30

50

ns

Fall Time

—

30

50

ns

CURRENT SENSE

Current Sense Voltage,

High Limit

0.775

0.833

0.891

V

Current Limit Delay to GT,

High Limit

—

200

250

ns

50 mV overdrive

Input Bias Current

—

25

1000

nA

POL = Low, ENI = Low

Low Limit Comparator Input

Offset Voltage

—

—

±60

mV

Current Limit Delay to GT,

Low Limit

—

200

250

ns

50 mV overdrive

Hold/Delay Output Voltage

—

—

V

POL = Low, ENI = Low

Hold/Delay Input Bias Cur-

rent

—

25

500

nA

POL = Low, ENI = Low

Shutdown Delay

—

50

100

ns

Enable Input Voltage - High

—

V

Enable Input Voltage - Low

0

—

V

Enable Input Current - High

—

1

5

μA

Enable Input Current - Low

–5

–1

—

μA

Polarity Voltage - High

—

V

Polarity Voltage - Low

0

—

V

Polarity Current - High

—

1

5

μA

Polarity Current - Low

–5

–1

—

μA

Enable Output Voltage -

High

—

V

Enable Output Voltage -

Low

0

—

V

ELECTRICAL CHARACTERISTICS (CONTINUED)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions