ZSPM4012KIT ZMDI, ZSPM4012KIT Datasheet - Page 12

• Manufacturer Part Number: ZSPM4012KIT
• Description: Power Management IC Development Tools DC-DC Converter Kit
• Manufacturer: ZMDI
• Type: DC/DC Converters, Regulators & Controllersr

Specifications of ZSPM4012KIT

• Rohs: yes
• Product: Evaluation Kits
• Tool Is For Evaluation Of: ZSPM4012
• Input Voltage: 6 V to 24 V
• Output Voltage: 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V, 0.9 V to 5 V
• Output Current: 2 A

3
The ZSPM4012 current-mode synchronous step-down power supply product can be used in the commercial,
industrial, and automotive market segments. It includes flexibility for a wide range of output voltages and is
optimized for high efficiency power conversion with low R
switching frequency facilitates low cost LC filter combinations. Additionally, the fixed-output versions enable a
minimum external component count to provide a complete regulation solution with only 4 external components: an
input bypass capacitor, an inductor, an output capacitor, and the bootstrap capacitor. The regulator automatically
transitions between PFM and PWM mode to maximize efficiency for the load demand.
Figure 3.1:
Data Sheet
January 23, 2012
ZSPM4012
High Efficiency 2A Synchronous Buck Converter
Description of Circuit
Compensation
PG
Oscillator
Ramp
Generator
Network
ZSPM4012 Block Diagram
Softstart
Vref
&
Error Amp
© 2012 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.

Comparator
Vref
CONTROL
MONITOR
&
EN
PFM Mode
Comparator
4.2V
VCC
Under Voltage
Over & Under
Over Current
Protection
Protection
Protection
Protection
Thermal
Gate Drive
Voltage
GND
Control
VCC
VCC
FB
Gate
Drive
Gate
Drive
DSON
integrated synchronous switches. A 1MHz internal
Bootstrap
Voltage
VCC
VCC
VSW
PGND
FB
BST
C
L
OUT
BST
R
R
TOP
BOT
C
OUT
VOUT
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