List of figures

Figure 1.

Typical application circuit ............................................................. 2

Figure 2.

Efficiency vs. output current (VIN = 12 V, L = 150 nH, VCC = VDRV = 5 V) ............................ 2

Figure 3.

Pinout (Top transparent view) .......................................................... 3

Figure 4.

Functional block diagram ............................................................. 7

Figure 5.

PWM timing diagram ................................................................ 7

Figure 6.

Driver current vs. driver voltage ....................................................... 11

Figure 7.

Driver current vs. switching frequency ................................................... 11

Figure 8.

Threshold voltage vs. temperature ..................................................... 11

Figure 9.

Quiescent current vs. temperature...................................................... 11

Figure 10.

Threshold voltage vs. temperature ..................................................... 12

Figure 11.

Threshold voltage vs. driver voltage .................................................... 12

Figure 12.

Quiescent current vs. driver voltage..................................................... 12

Figure 13.

Threshold voltage vs. driver voltage .................................................... 13

Figure 14.

Threshold voltage vs. temperature ..................................................... 13

Figure 15.

VIN/PGND planes and decoupling....................................................... 14

Figure 16.

VSWH plane .................................................................... 14

Figure 17.

VCIN/VDRV input filter ............................................................... 14

Figure 18.

BOOT resistor and capacitor placement.................................................. 14

Figure 19.

Signal routing .................................................................... 15

Figure 20.

Adding thermal relief vias ............................................................ 15

Figure 21.

Ground connection ................................................................ 15

Figure 22.

QFN 5x6 41L package outline ........................................................ 16

Figure 23.

QFN 5x6 41L footprint .............................................................. 18

PM7080A

List of figures

DS13910 - Rev 1

page 22/23