ZSPM4013B

High Efficiency 3A Synchronous Buck Converter

Data Sheet

April 4, 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

Condition

Min

Typ

Max

Unit

PG Open-Drain Output

PG Release Timer

10

ms

High-Level Output Leakage

0.5

µA

Low-Level Output Voltage

0.01

V

EN Input Voltage Thresholds

High Level Input Voltage

2.2

V

Low Level Input Voltage

0.8

V

Input Hysteresis

480

mV

Input Leakage

3.5

µA

-1.5

µA

Thermal Shutdown

Thermal Shutdown Junction

Temperature

TSD

Note: Guaranteed by design

150

170

°C

TSD Hysteresis

10

°C

1.5.

Regulator Characteristics

Table 1.5

Regulator Characteristics

See important table notes at the end of the table.

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Output Voltage Tolerance in

Pulse-Width Modulation

(PWM) Mode

2%

2%

V

Output Voltage Tolerance in

Pulse-Frequency Modulation

(PFM) Mode

1%

1%

3.5%

V

Differential Voltage Between

Steady State.

(Example, VOUT maximum is

3.3V with VCC min of 4.5V)

1.2

V

High-Side (HS) Switch On

Resistance

1)

180

mΩ

Low-Side (LS) Switch On

Resistance

1)

120

mΩ

Output Current

3

A

Over-Current Detection

HS switch current

3.4

3.8

4.4

A