ZSPM4011AA1W18 datasheet, PDF - EEWORLD Datasheet

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ZSPM4011AA1W18: DescriptionSwitching Voltage Regulators DC/DC converter; Categorysemiconductor Power management; File Size1MB，21 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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Switching Voltage Regulators DC/DC converter

ZSPM4011AA1W18 Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	IDT (Integrated Device Technology)
Product Category	Switching Voltage Regulators
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	QFN-16
Output Voltage	1.8 V
Output Current	1 A
Number of Outputs	1 Output
Input Voltage MAX	24 V
Input Voltage MIN	6 V
Switching Frequency	1 MHz
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Packaging	Cut Tape
Packaging	Reel
Type	Voltage Converter
Moisture Sensitive	Yes
Factory Pack Quantity	1000
Unit Weight	0.002014 oz

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Data Sheet

Rev. 1.03 / September 2012

ZSPM4011

High Efficiency 1A Synchronous Buck Converter

Power and Precision

ZSPM4011

High Efficiency 1A Synchronous Buck Converter

Contents

ZSPM4011 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. Internal Protection Details .......................................................................................................................... 14

3.1.1. Internal Current Limit ........................................................................................................................... 14

3.1.2. Thermal Shutdown ............................................................................................................................... 14

3.1.3. Reference Soft-Start ............................................................................................................................ 14

3.1.4. Output Over-Voltage ............................................................................................................................ 14

3.1.5. VCC Under-Voltage Lockout ................................................................................................................ 14

Application Circuits ............................................................................................................................................ 15

4.1. Selection of External Components ............................................................................................................. 15

4.2. Typical Application Circuits ......................................................................................................................... 15

Pin Configuration and Package ......................................................................................................................... 16

5.1. Marking Diagram & Pin-out ........................................................................................................................ 17

5.2. Pin Description for 16 LEAD 3x3 QFN ....................................................................................................... 18

5.3. Detailed Pin Description ............................................................................................................................. 19

5.3.1. Unregulated Input, VCC (Pins # 2, 3) .................................................................................................. 19

5.3.2. Bootstrap Control, BST (Pin #10) ........................................................................................................ 19

5.3.3. Sense Feedback, FB (Pin #5) .............................................................................................................. 19

5.3.4. Switching Output, VSW (Pins #12, 13) ................................................................................................ 19

5.3.5. Ground, GND (Pin #4) ......................................................................................................................... 19

5.3.6. Power Ground, PGND (Pins #14, 15) .................................................................................................. 19

5.3.7. Enable, High-Voltage, EN (Pin #9) ...................................................................................................... 19

5.3.8. PG Output, PG (Pin #8) ....................................................................................................................... 19

Ordering Information ......................................................................................................................................... 20

Related Documents ........................................................................................................................................... 20

Glossary ............................................................................................................................................................ 20

Document Revision History ............................................................................................................................... 21

Data Sheet

September 21, 2012

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

4 of 21

ZSPM4011

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 (IOUT=1A) ................................................................................................................. 11

Efficiency vs. Output Current ( V

OUT

= 1.8V) ........................................................................................ 11

Efficiency vs. Output Current ( V

OUT

= 3.3V) ........................................................................................ 11

Efficiency vs. Output Current ( V

OUT

= 5V) ........................................................................................... 11

Efficiency vs. Input Voltage (V

OUT

= 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

ZSPM4011 Block Diagram .................................................................................................................. 13

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

Typical Application for Adjustable Output Voltage............................................................................... 15

Typical Application for Fixed Output Voltage ....................................................................................... 15

ZSPM4011 Package Drawing.............................................................................................................. 16

16 Lead 3x3mm QFN (top view) .......................................................................................................... 17

List of Tables

Table 1.1

Table 1.2

Table 1.3

Table 1.4

Table 5.1

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

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

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

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

Pin Description, 16 lead, 3x3mm QFN ................................................................................................ 18

Data Sheet

September 21, 2012

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

5 of 21

ZSPM4011AA1W18 Related Products

	ZSPM4011AA1W18	ZSPM4011AA1W33	ZSPM4011AA1W50
Description	Switching Voltage Regulators DC/DC converter	Switching Voltage Regulators DC/DC converter	Switching Voltage Regulators DC/DC converter
Product Attribute	Attribute Value	Attribute Value	Attribute Value
Manufacturer	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)
Product Category	Switching Voltage Regulators	Switching Voltage Regulators	Switching Voltage Regulators
RoHS	Details	Details	Details
Mounting Style	SMD/SMT	SMD/SMT	SMD/SMT
Package / Case	QFN-16	QFN-16	QFN-16
Output Voltage	1.8 V	3.3 V	5 V
Output Current	1 A	1 A	1 A
Number of Outputs	1 Output	1 Output	1 Output
Input Voltage MAX	24 V	24 V	24 V
Input Voltage MIN	6 V	6 V	6 V
Switching Frequency	1 MHz	1 MHz	1 MHz
Minimum Operating Temperature	- 40 C	- 40 C	- 40 C
Maximum Operating Temperature	+ 125 C	+ 125 C	+ 125 C
Type	Voltage Converter	Voltage Converter	Voltage Converter
Moisture Sensitive	Yes	Yes	Yes
Factory Pack Quantity	1000	1000	1000
Unit Weight	0.002014 oz	0.002014 oz	0.002014 oz
Packaging	Reel	Reel	Reel

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