ADP1883ARMZ-0.3-R7 Analog Devices Inc, ADP1883ARMZ-0.3-R7 Datasheet - Page 2
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ADP1883ARMZ-0.3-R7
Manufacturer Part Number
ADP1883ARMZ-0.3-R7
Description
IC PWM BUCK CURRENT MODE 10MSOP
Manufacturer
Analog Devices Inc
Datasheet
1.ADP1882-0.3-EVALZ.pdf
(40 pages)
Specifications of ADP1883ARMZ-0.3-R7
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Voltage - Supply
2.75 V ~ 20 V
Frequency-max
300kHz
Operating Temperature
-40°C ~ 125°C
Number Of Outputs
1
Duty Cycle
84%
Pwm Type
Current Mode
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Primary Input Voltage
13V
No. Of Outputs
1
Output Current
25A
No. Of Pins
10
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Peak Reflow Compatible (260 C)
Yes
Leaded Process Compatible
Yes
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADP1882/ADP1883
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Typical Applications Circuit ............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
ADP1882/ADP1883 Block Diagram ............................................ 18
Theory of Operation ...................................................................... 19
REVISION HISTORY
4/10—Revision 0: Initial Version
Thermal Resistance ...................................................................... 5
Boundary Condition .................................................................... 5
ESD Caution .................................................................................. 5
Startup .......................................................................................... 19
Soft Start ...................................................................................... 19
Precision Enable Circuitry ........................................................ 19
Undervoltage Lockout ............................................................... 19
Thermal Shutdown ..................................................................... 19
Programming Resistor (RES) Detect Circuit .......................... 20
Valley Current-Limit Setting .................................................... 20
Hiccup Mode During Short Circuit ......................................... 21
Synchronous Rectifier ................................................................ 22
Power Saving Mode (PSM) Version (ADP1883) .................... 22
Rev. 0 | Page 2 of 40
Applications Information .............................................................. 24
External Component Recommendations .................................... 31
Layout Considerations ................................................................... 33
Typical Applications Circuits ........................................................ 37
Outline Dimensions ....................................................................... 39
Timer Operation ........................................................................ 22
Pseudo-Fixed Frequency ........................................................... 23
Feedback Resistor Divider ........................................................ 24
Inductor Selection ...................................................................... 24
Output Ripple Voltage (ΔV
Output Capacitor Selection ....................................................... 24
Compensation Network ............................................................ 25
Efficiency Considerations ......................................................... 26
Input Capacitor Selection .......................................................... 27
Thermal Considerations ............................................................ 28
Design Example .......................................................................... 28
IC Section (Left Side of Evaluation Board) ............................. 36
Power Section ............................................................................. 36
Differential Sensing .................................................................... 36
Dual-Input, 300 kHz High Current Applications Circuit ..... 37
Single-Input, 600 kHz Applications Circuit ........................... 37
Dual-Input, 300 kHz High Current Applications Circuit ..... 38
Ordering Guide .......................................................................... 39
RR
) .................................................. 24