ZSPM4012KIT datasheet, PDF - EEWORLD Datasheet

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ZSPM4012KIT: Descriptionpower management IC development tools DC-DC converter kit; CategoryDevelopment board/suite/development tools; File Size1MB，19 Pages; ManufacturerZentrum Mikroelektronik Dresden AG (IDT); Environmental Compliance

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ZSPM4012KIT Overview

power management IC development tools DC-DC converter kit

ZSPM4012KIT Parametric

Parameter Name	Attribute value
Manufacture	ZMDI
Product Category	Power Management IC Development Tools
RoHS	Yes
Produc	Evaluation Kits
Type	Voltage Regulators - Switching Regulators
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 Curre	2 A

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Data Sheet

Rev. 1.00 / January 2012

ZSPM4012

High Efficiency 2A Synchronous Buck Converter

Power and Precision …

ZSPM4012

High Efficiency 2A Synchronous Buck Converter

Contents

ZSPM4012 Characteristics .................................................................................................................................. 6

1.1. Absolute Maximum Ratings .......................................................................................................................... 6

1.2. Thermal Characteristics ................................................................................................................................ 6

1.3. Recommended Operating Conditions .......................................................................................................... 6

1.4. Electrical Characteristics .............................................................................................................................. 7

1.5. Regulator Characteristics ............................................................................................................................. 8

Typical Performance Characteristics ................................................................................................................... 9

Description of Circuit ......................................................................................................................................... 12

3.1. Internal Protection Details........................................................................................................................... 13

3.1.1. Internal Current Limit ............................................................................................................................ 13

3.1.2. Thermal Shutdown ............................................................................................................................... 13

3.1.3. Reference Soft-Start ............................................................................................................................ 13

3.1.4. Output Over-Voltage ............................................................................................................................ 13

3.1.5. VCC Under-Voltage Lockout ................................................................................................................ 13

Application Circuits ............................................................................................................................................ 14

4.1. Selection of External Components ............................................................................................................. 14

4.2. Typical Application Circuits ......................................................................................................................... 14

Pin Configuration and Package ......................................................................................................................... 15

5.1. Marking Diagram & Pin-out......................................................................................................................... 16

5.2. Pin Description for 16 LEAD 3x3 QFN ....................................................................................................... 17

5.3. Detailed Pin Description ............................................................................................................................. 17

5.3.1. Unregulated Input, VCC (Pins # 2,3) ................................................................................................... 17

5.3.2. Bootstrap Control, BST (Pin #10) ........................................................................................................ 17

5.3.3. Sense Feedback, FB (Pin #5) .............................................................................................................. 17

5.3.4. Switching Output, VSW (Pins #12,13) ................................................................................................. 18

5.3.5. Ground, GND (Pin #4) .......................................................................................................................... 18

5.3.6. Power Ground, PGND (Pins #14,15) ................................................................................................... 18

5.3.7. Enable, High-Voltage, EN (Pin #9) ...................................................................................................... 18

5.3.8. PG Output, PG (Pin #8) ....................................................................................................................... 18

Ordering Information.......................................................................................................................................... 18

Related Documents ........................................................................................................................................... 19

Glossary ............................................................................................................................................................ 19

Document Revision History ............................................................................................................................... 19

Data Sheet

January 23, 2012

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

4 of 19

ZSPM4012

High Efficiency 2A Synchronous Buck Converter

List of Figures

Figure 2.1: Startup Response ..................................................................................................................................... 9

Figure 2.2: 100mA to 1A Load Step (Vcc= 12V, Vout =1,8V) .................................................................................... 9

Figure 2.3: 100mA to 2A Load (Vcc=12V, Vout = 1,8V) ............................................................................................. 9

Figure 2.4: 100mA t0 1A Load Step (Vcc=12V, Vout = 3,3V) .................................................................................... 9

Figure 2.5: 100mA to 2A Load Step (Vcc=12V, Vout = 3.3V) .................................................................................... 9

Figure 2.6: Line Transient Response (VCC=10V to 15V, Vout = 3.3V) ..................................................................... 9

Figure 2.7: Load Regulation ..................................................................................................................................... 10

Figure 2.8: Line Regulation (IOUT=1A) .................................................................................................................... 10

Figure 2.9: Efficiency vs. Output Current ( V

OUT

= 1.8V) ........................................................................................... 10

Figure 2.10: Efficiency vs. Output Current ( V

OUT

= 3.3V) ......................................................................................... 10

Figure 2.11: Efficiency vs. Output Current ( V

OUT

= 5V) ............................................................................................ 10

Figure 2.12: Efficiency vs. Input Voltage (V

OUT

= 3.3V) ............................................................................................ 10

Figure 2.13: Standby Current vs. Input Voltage ....................................................................................................... 11

Figure 2.14: Standby Current vs. Temperature ........................................................................................................ 11

Figure 2.15: Output Voltage vs. Temperature .......................................................................................................... 11

Figure 2.16: Oscillator Frequency vs. Temperature (Iout=300mA) .......................................................................... 11

Figure 2.17: Quiescent Current vs. Temperature (No load) ..................................................................................... 11

Figure 2.18: Input Current vs. Temperature (No load, No switching) ...................................................................... 11

Figure 3.1: ZSPM4012 Block Diagram................................................................................................................... 12

Figure 3.2: Monitor and Control Logic Functionality .............................................................................................. 13

Figure 4.1: Typical Application for Adjustable Output Voltage ............................................................................... 14

Figure 4.2: Typical Application for Fixed Output Voltage ....................................................................................... 14

Figure 5.1: ZSPM4012 Package Drawing .............................................................................................................. 15

Figure 5.2: 16 Lead 3x3 QFN (top view) .................................................................................................................. 16

List of Tables

Table 1.1: Absolute Maximum Ratings ....................................................................................................................... 6

Table 1.2: Thermal Characteristics ............................................................................................................................. 6

Table 1.3: Recommended Operating Conditions ....................................................................................................... 6

Table 1.4: Electrical Characteristics ........................................................................................................................... 7

Table 1.5: Regulator Characteristics .......................................................................................................................... 8

Table 5.1: Pin Description, 16 Lead, 3x3 QFN ......................................................................................................... 17

Data Sheet

January 23, 2012

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

5 of 19

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