EVM3620-Q-00B
24V/2A Mini-Module Regulater with
Intergrated Inductor Evaluation Board
The Future of Analog IC Technology
DESCRIPTION FEATURES
The EVM3620-Q-00B is an evaluation board for Complete Switch Mode Power Supply
MPM3620, a synchronous rectified, step-down
4.5V-to-24V Operating Input Range
Mini-Module regulator with built-in power
2A Continuous Load Current
MOSFETs, inductor and two capacitors.
200 A Low Quiescent Current
Low R Internal Power MOSFETs
DS(ON)
The Evaluation Board can deliver a 2A
Fixed 2MHz Switching Frequency
continuous output current with excellent load
and line regulation over a wide input supply External AAM pin for Power-Save Mode
Programming
range. External AAM pin provides selectable
power save mode or force PWM mode. OCP Protection and Hiccup
Thermal Shutdown
Full protection features include over-current
Output Adjustable from 0.8V
protection and thermal shut down.
Available in QFN20 (3x5x1.6mm) Package
The MPM3620 is available in a space-saving
APPLICATIONS
QFN20 (3mm x5mmx1.6mm) package.
Industrial Controls
ELECTRICAL SPECIFICATION
Medical and Imaging Equipment
Parameter Symbol Value Units
Telecom Applications
Input Voltage V 4.5 24 V
IN
Distributed Power Systems
Output Voltage V 3.3
OUT V All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
Output Current I 2
OUT A
MPS and The Future of Analog IC Technology are registered trademarks of
Monolithic Power Systems, Inc.
EVM3620-Q-00B EVALUATION BOARD
Efficiency
V =5V to 24V,V =3.3V
IN OUT
100
95 V =12V
IN
90
85
80
V =19V
IN
75
V =24V
IN
70
65
V =5V
IN
60
0.01 0.1 1 10
LOAD CURRENT(A)
Board Number MPS IC Number
EVM3620-Q-00B MPM3620GQV
EVM3620-Q-00B Rev.1.1 www.MonolithicPower.com 1
6/11/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2014 MPS. All Rights Reserved. EVM3620-Q-00B 24V/2A STEP-DOWM MINI-MODULE CONVERTER
EVALUATION BOARD SCHEMATIC
4.5V-24V U1
16 11
IN BST
VIN
4,5,6
SW
R3
C1
GND 100K
3.3V/2A
10uF
7,8,9
OUT
VOUT
GND
GND
17
C2
EN EN
R1
22uF
C3
2 MPM3620
VCC 160K
GND
NC
1
FB
10,15,19,20
NC
GND
GND
R2
51K
18
AAM AAM
R4
56K(Optional)
GND
GND
GND
EVM3620-Q-00B BILL OF MATERIALS
Qty RefDes Value Description Package Manufacturer Manufacturer P/N
GRM21BR61E106KA73L
1 C1 10 F Ceramic Cap,25V,X5R 0805 muRata
GRM219R61C226ME15L
1 C2 22uF Ceramic Cap,16V,X5R 0805 muRata
1 C3 NS 0402
1 R1 160k Thick Film Res., 1% 0402 Any
1 R2 51k Thick Film Res., 1% 0402 Any
1 R3 100k Thick Film Res., 1% 0402 Any
1 R4 56k Thick Film Res., 1% 0402 Any
Synchronous Step-
1 U1 MPM3620 QFN-20 MPS MPM3620GQV
Down Mini-Module
EVM3620-Q-00B Rev.1.1 www.MonolithicPower.com 2
6/11/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2014 MPS. All Rights Reserved.
3
AGND
12,13,14
PGND