ZSPM4011BA1W33 datasheet, PDF - EEWORLD Datasheet

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ZSPM4011BA1W33: Descriptionvoltage regulators - switching regulators DC/DC converter; CategoryPower/power management The power supply circuit; File Size1MB，22 Pages; ManufacturerZentrum Mikroelektronik Dresden AG (IDT); Environmental Compliance

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voltage regulators - switching regulators DC/DC converter

ZSPM4011BA1W33 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Zentrum Mikroelektronik Dresden AG (IDT)
package instruction	QCCN, LCC16,.12SQ,20
Reach Compliance Code	compli
control mode	CURRENT-MODE
JESD-30 code	S-PQCC-N16
Number of terminals	16
Maximum output current	1 A
Package body material	PLASTIC/EPOXY
encapsulated code	QCCN
Encapsulate equivalent code	LCC16,.12SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER
Certification status	Not Qualified
surface mount	YES
Maximum switching frequency	1100 kHz
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD

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Data Sheet

Rev. 1.00 / April 2013

ZSPM4011B

High Efficiency 1A Synchronous Buck Converter

Analog Power ICs

Powerful

and Determined

ZSPM4011B

High Efficiency 1A Synchronous Buck Converter

Contents

ZSPM4011B Characteristics ............................................................................................................................... 6

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

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

1.3. Recommended Operating Conditions .......................................................................................................... 7

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

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

Typical Performance Characteristics – ZSPM401x Family ............................................................................... 10

Description of Circuit ......................................................................................................................................... 13

3.1. Block Diagram ............................................................................................................................................ 13

3.2. Internal Protection Details .......................................................................................................................... 14

3.2.1. Internal Current Limit ........................................................................................................................... 14

3.2.2. Thermal Shutdown ............................................................................................................................... 14

3.2.3. Voltage Reference Soft-Start ............................................................................................................... 14

3.2.4. VCC Under-Voltage Lockout ................................................................................................................ 14

3.2.5. Output Over-Voltage Protection ........................................................................................................... 15

3.2.6. Output Under-Voltage Monitoring ........................................................................................................ 15

Application Circuits ............................................................................................................................................ 16

4.1. Selection of External Components ............................................................................................................. 16

4.2. Typical Application Circuits ......................................................................................................................... 16

Pin Configuration and Package ......................................................................................................................... 17

5.1. Package Dimensions .................................................................................................................................. 17

5.2. Marking Diagram & Pin-out ........................................................................................................................ 18

5.3. Pin Description for 16 LEAD 3x3 QFN ....................................................................................................... 19

5.4. Detailed Pin Description ............................................................................................................................. 20

5.4.1. Unregulated Input, VCC (Pins # 2, 3) .................................................................................................. 20

5.4.2. Bootstrap Control, BST (Pin #10) ........................................................................................................ 20

5.4.3. Sense Feedback, FB (Pin #5) .............................................................................................................. 20

5.4.4. Switching Output, VSW (Pins #12, 13) ................................................................................................ 20

5.4.5. Ground, GND (Pin #4) ......................................................................................................................... 20

5.4.6. Power Ground, PGND (Pins #14, 15) .................................................................................................. 20

5.4.7. Enable, EN (Pin #9) ............................................................................................................................. 20

5.4.8. PG Output, PG (Pin #8) ....................................................................................................................... 20

Ordering Information ......................................................................................................................................... 21

Related Documents ........................................................................................................................................... 21

Glossary ............................................................................................................................................................ 21

Document Revision History ............................................................................................................................... 22

Data Sheet

April 4, 2013

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

4 of 22

ZSPM4011B

High Efficiency 1A Synchronous Buck Converter

List of Figures

Figure 2.1

Figure 2.2

Figure 2.3

Figure 2.4

Figure 2.5

Figure 2.6

Figure 2.7

Figure 2.8

Figure 2.9

Figure 2.10

Figure 2.11

Figure 2.12

Figure 2.13

Figure 2.14

Figure 2.15

Figure 2.16

Figure 2.17

Figure 2.18

Figure 3.1

Figure 3.2

Figure 4.1

Figure 4.2

Figure 5.1

Figure 5.2

Startup Response ................................................................................................................................ 10

100mA to 1A Load Step (VCC= 12V, VOUT =1.8V) ........................................................................... 10

100mA to 2A Load (VCC=12V, VOUT = 1.8V) .................................................................................... 10

100mA t0 1A Load Step (VCC=12V, VOUT = 3.3V) ........................................................................... 10

100mA to 2A Load Step (VCC=12V, VOUT = 3.3V) ........................................................................... 10

Line Transient Response (VCC=10V to 15V, VOUT = 3.3V) .............................................................. 10

Load Regulation ................................................................................................................................... 11

Line Regulation (I

OUT

=1A) .................................................................................................................... 11

Efficiency vs. Output Current ( VOUT = 1.8V) ..................................................................................... 11

Efficiency vs. Output Current ( VOUT = 3.3V) ..................................................................................... 11

Efficiency vs. Output Current ( VOUT= 5V) ......................................................................................... 11

Efficiency vs. Input Voltage (VOUT = 3.3V) ......................................................................................... 11

Standby Current vs. Input Voltage ....................................................................................................... 12

Standby Current vs. Temperature ....................................................................................................... 12

Output Voltage vs. Temperature.......................................................................................................... 12

Oscillator Frequency vs. Temperature (Iout=300mA) ......................................................................... 12

Quiescent Current vs. Temperature (No load) .................................................................................... 12

Input Current vs. Temperature (No load, No switching) ..................................................................... 12

ZSPM4011B Block Diagram ................................................................................................................ 13

Monitor and Control Logic Functionality .............................................................................................. 14

Typical Application for Adjustable Output Voltage............................................................................... 16

Typical Application for Fixed Output Voltage ....................................................................................... 16

ZSPM4011B Package Drawing ........................................................................................................... 17

16 Lead 3x3mm QFN (top view) .......................................................................................................... 18

List of Tables

Table 1.1

Table 1.2

Table 1.3

Table 1.4

Table 1.5

Table 5.1

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

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

Recommended Operating Conditions ................................................................................................... 7

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

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

Pin Description, 16 lead, 3x3mm QFN ................................................................................................ 19

Data Sheet

April 4, 2013

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

5 of 22

ZSPM4011BA1W33 Related Products

	ZSPM4011BA1W33	ZSPM4011BA1W00	ZSPM4011BA1W25	ZSPM4011BA1W18
Description	voltage regulators - switching regulators DC/DC converter	voltage regulators - switching regulators DC/DC converter	voltage regulators - switching regulators DC/DC converter	voltage regulators - switching regulators DC/DC converter
Is it Rohs certified?	conform to	conform to	conform to	conform to
Maker	Zentrum Mikroelektronik Dresden AG (IDT)	Zentrum Mikroelektronik Dresden AG (IDT)	Zentrum Mikroelektronik Dresden AG (IDT)	Zentrum Mikroelektronik Dresden AG (IDT)
package instruction	QCCN, LCC16,.12SQ,20	QCCN, LCC16,.12SQ,20	QCCN, LCC16,.12SQ,20	QCCN, LCC16,.12SQ,20
Reach Compliance Code	compli	compli	compli	compli
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
JESD-30 code	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16
Number of terminals	16	16	16	16
Maximum output current	1 A	1 A	1 A	1 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	QCCN	QCCN	QCCN	QCCN
Encapsulate equivalent code	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20
Package shape	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER	CHIP CARRIER	CHIP CARRIER	CHIP CARRIER
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
surface mount	YES	YES	YES	YES
Maximum switching frequency	1100 kHz	1100 kHz	1100 kHz	1100 kHz
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	QUAD	QUAD	QUAD	QUAD

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