ZSPM4022-06

12V/6A Synchronous DC/DC Buck Regulator

Data Sheet

August 29, 2013

© 2013 Zentrum Mikroelektronik Dresden AG

— Rev. 1.00

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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PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Short-Circuit Protection

Current

–Limit Threshold

7.5

11

17

A

6.6

11

17

A

Short

–Circuit Current Limit

8

A

Internal FETs

Top MOSFET

42

m

Ω

Bottom MOSFET

12.5

m

Ω

SW Leakage Current

60

µA

VIN Leakage Current

25

µA

Power Good

PG Threshold Voltage

85

92

95

PG Hysteresis

5.5

PG Delay Time

100

µs

PG Low Voltage

70

200

mV

Thermal Protection

Over-Temperature Shutdown

160

°C

Over-Temperature Shutdown

Hysteresis

15

°C

Notes:

1)

The maximum duty

–cycle is limited by the fixed mandatory off-time (t