ADP2303ARDZ-5.0-R7 Analog Devices Inc, ADP2303ARDZ-5.0-R7 Datasheet - Page 2
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ADP2303ARDZ-5.0-R7
Manufacturer Part Number
ADP2303ARDZ-5.0-R7
Description
IC REG SW STPDWN NONSYNCH 8SOIC
Manufacturer
Analog Devices Inc
Type
Step-Down (Buck), PFM/PWM - Current Moder
Datasheet
1.ADP2302ARDZ-2.5-R7.pdf
(28 pages)
Specifications of ADP2303ARDZ-5.0-R7
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
3A
Frequency - Switching
700kHz
Voltage - Input
3 V ~ 20 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
5V
Output Current
3A
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Peak Reflow Compatible (260 C)
Yes
Dropout Voltage Vdo
85mV
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADP2303ARDZ-5.0-R7
ADP2303ARDZ-5.0-R7TR
ADP2303ARDZ-5.0-R7TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADP2303ARDZ-5.0-R7
Manufacturer:
VICOR
Quantity:
72
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Typical Applications Circuit............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Functional Block Diagram ............................................................ 13
Theory of Operation ...................................................................... 14
REVISION HISTORY
7/10—Revision 0: Initial Version
ADP2302/ADP2303
Thermal Resistance ...................................................................... 4
ESD Caution.................................................................................. 4
Basic Operation .......................................................................... 14
PWM Mode................................................................................. 14
Power Saving Mode.................................................................... 14
Bootstrap Circuitry .................................................................... 14
Precision Enable ......................................................................... 14
Integrated Soft Start ................................................................... 14
Current Limit .............................................................................. 14
Short-Circuit Protection............................................................ 14
Undervoltage Lockout (UVLO) ............................................... 15
Thermal Shutdown (TSD)......................................................... 15
Rev. 0 | Page 2 of 28
Applications Information .............................................................. 16
Design Example .............................................................................. 20
Circuit Board Layout Recommendations ................................... 22
Typical Application Circuits ......................................................... 23
Outline Dimensions ....................................................................... 26
Overvoltage Protection (OVP)................................................. 15
Power Good ................................................................................ 15
Control Loop............................................................................... 15
Programming Output Voltage .................................................. 16
Voltage Conversion Limitations............................................... 16
Low Input Voltage Considerations .......................................... 17
Programming the Precision Enable ......................................... 17
Inductor ....................................................................................... 17
Catch Diode ................................................................................ 18
Input Capacitor........................................................................... 19
Output Capacitor........................................................................ 19
Thermal Consideration ............................................................. 19
Catch Diode Selection ............................................................... 20
Inductor Selection ...................................................................... 20
Output Capacitor Selection....................................................... 20
Resistive Voltage Divider Selection.......................................... 20
Ordering Guide .......................................................................... 26