ZSPM9010

Ultra-Compact, High-Performance, High-Frequency DrMOS

Data Sheet

March 8, 2013

© 2013 Zentrum Mikroelektronik Dresden AG

— Rev.1.04

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without

notice.

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



OUT

SW

SW

I

V

P







 



V

5

V

5

IN

IN

IN

I

V

I

V

P













OUT

OUT

OUT

I

V

P









SW

IN

MODULE

_

LOSS

P

P

P









OUT

IN

BOARD

_

LOSS

P

P

P





%

P

P

100

EFF

IN

OUT

BOARD

















%

P

P

100

EFF

IN

SW

MODULE

















VDRV

VCIN

PWM

DISB#

SMOD#

PGND

PHASE

VIN

BOOT

VSWH

ZSPM9010

THWN#

CGND

PWM Input

A

Open Drain Output

DISB

A

A

ON

OFF

v

Figure 3.2

Note: Blue lines indicate the optional recommended filter.

3.4.

Power Loss and Efficiency Testing Procedures

The circuit in Figure 3.1 has been used to measure power losses. The efficiency has been calculated based on

the equations below.

Power loss calculations:

(1)

(2)

(3)

(4)

(5)

Efficiency calculations:

(6)

(7)