6

FN9025.8

Timing Diagrams

Pin Descriptions

SYMBOL

DESCRIPTION

HB

High-Side Bootstrap supply. External bootstrap capacitor is required. Connect positive side of bootstrap capacitor to this pin.

Bootstrap diode is on-chip.

HO

High-Side Output. Connect to gate of High-Side power MOSFET.

HS

High-Side Source connection. Connect to source of High-Side power MOSFET. Connect negative side of bootstrap capacitor to

this pin.

HI

High-Side input.

LI

Low-Side input.

Chip negative supply, generally will be ground.

LO

Low-Side Output. Connect to gate of Low-Side power MOSFET.

EPAD

Exposed pad. Connect to ground or float. The EPAD is electrically isolated from all other pins.

FIGURE 3.

FIGURE 4.

HI

,

LI

HO

,

LO

LI

HI

LO

HO

Typical Performance Curves

FIGURE 5A.

FIGURE 5B.

FIGURE 5. OPERATING CURRENT vs FREQUENCY

4.000

3.500

3.000

2.500

2.000

1.500

1.000

0.500

0.000

10

30

50

70

200

400

600

800

1000

90

150°C

FREQUENCY (kHz)

125°C

25°C

-40°C

3.500

3.000

2.500

2.000

1.500

1.000

0.500

0.000

10

30

50

70

200

400

600

800

1000

FREQUENCY (kHz)

90

150°C, 125°C

25°C

-40°C

HIP2101