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13 - 2

13

Unless Otherwise Noted

HMC981

v00.0611

ACTIVE BIAS CONTROLLER

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Supply Voltage

Vdd

4

12

V

VDD Quiescent Current

IDD

VDD = 4V

EN = VDIG

7

mA

EN = GND

3

mA

VDD = 8V

EN = VDIG

7.5

mA

EN = GND

4

mA

VDIG Quiescent Current

IDIG

VDIG= 3.3 V

3

mA

VDIG= 5 V

5

mA

Negative Voltage Output

VNEG

-2.5

V

Oscillator Frequency

FOSC

300

kHz

Voltage Reference

VREF

1.42

V

Enable Input Threshold

ENTHRS

Vinlow

1

V

Vinhigh

1.4

V

Switch Input Threshold

SWTHRS

Vinlow

1

V

Vinhigh

1.4

V

Short Circuit Disable Input Threshold

DSCTHRS

Vinlow

1

V

Vinhigh

1.4

V

VDRAIN Characteristics

DRAIN Current Adjustment Range

IDRAIN

SW=GND

20

80

mA

SW=VDIG

80

200

mA

DRAIN Current Change Over Digital Voltage

ΔIDRAINV

VDRAIN set to 8V,

IDRAIN set to 160 mA

0.4

%/V

DRAIN Current Change Over Temperature

0.02

%/C

DRAIN Range

VDRAIN

4

12

V

VDRAIN Change Over Temperature

ΔVDRAIN

VDRAIN set to 8V,

IDRAIN set to 160 mA

1.5

%/C

VNEG Characteristics

Negative Voltage Output

VNEG

-2.5

V

VNEG Current Sink

INEG

VDD= 4V

0

8

mA

VDD= 8V

0

15

mA

VGATE Characteristics

GATE Current Supply

IG

-0.8

0.8

mA

VGATE Low Level

VG_MIN

VNEG

V

VGATE High Level

VG_MAX

VNEG+4.5

V

VG2 Characteristics

VG2 Current Supply

IG2

VG2<1.5V

-0.1

0.1

mA

VG2>1.5V

-1

1

mA

VG2 Adjustment Range

VG2

1

VDD-1.3

V

VDIG Characteristics

Adjustment Range

VDIG

3.3

5

V

VDIG Quiescent Current

IDIG

VDD= 8 V,

VDIG=EN =3.3 V

3

mA

SW Characteristics

Internal Switch Resistance

RDS_ON

SW= GND

10

Ohm

SW=VDIG

5

Ohm