SC461

6

Electrical Characteristics (continued)

Parameter

Conditions

Min

Typ

Max

Units

High-Side Driver (DH, BST, LX)

Peak Current

VDDP = 5V, DH pin sourcing or sinking

2

A

On Resistance

R

3.6

5

Ω

R

1.1

2.1

Ω

R

0.65

1.20

Ω

Rise Time

C

22

ns

Fall Time

C

12

ns

Propagation Delay

From FB Input to DH

45

ns

Shoot-thru Protection Delay

VDDP = 5V

45

ns

Bootstrap Switch Resistance

VDDP = 5V

16

Ω

Low-Side Driver (DL, VDDP, PGND)

Peak Current

VDDP = 5V, DL sourcing

2

A

VDDP = 5V, DL sinking

4

A

On Resistance

R

0.85

1.60

Ω

R

0.28

0.50

Ω

Rise Time

C

7

ns

Fall Time

C

3.5

ns

Notes:

(1) V

because the V

when using the V

(2) For FCM operation, the VDDA and VDDA supply current includes the DH/DL current required to drive the external MOSFETs.

(3) The ENL pin will enable the LDO with 0.8V typical. The V

the V