MEZD71202A-G [MPS]
4.5V - 24V Input, 2A, DC/DC Power Supply;
| 型号： | MEZD71202A-G |
| 厂家： | 
MONOLITHIC POWER SYSTEMS |
| 描述： | 4.5V - 24V Input, 2A, DC/DC Power Supply |
| 文件： | 总2页 (文件大小：455K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
mEZD71202A Series
4.5V - 24V Input, 2A, DC/DC Power Supply
FEATURES
.
.
.
.
4.5V to 24V Wide Operating Input
2A Load Current
Hiccup Short-Circuit Protection
Over-/Under-Voltage Protection
.
.
.
Over-Current Protection
Over-Temperature Protection
Open Design Files and BOM
ORDERING INFORMATION
Input Voltage
Output Voltage
(V)
Output Current
(A)
Part Number
(V)
A - F: 4.5 - 24
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
MEZD71202A-X
2
G: 6.5 - 24
Output Voltage Options
Manufacture Yourself Available
Design Files Available for Manufacture
A = 1.0V
E = 2.5V
B = 1.2V
F = 3.3V
C = 1.5V
G = 5.0V
D = 1.8V
Power Derating
mEZD712xx FAMILY PRODUCTS
VIN = 12V, VOUT = 3.3V and 5V
Input Voltage
(V)
Output Voltage
Output Current
(A)
Part Number
mEZD71201A-X
mEZD71202A-X
mEZD71203A-X
mEZD71210A-X
120
100
80
60
40
20
0
(V)
Natural Convection
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
1, 1.2, 1.5, 1.8,
2.5, 3.3
4.5 - 24
4.5 - 24
5 - 16
1.2
2
3
4.5 - 17
1.0
10
VOUT=3.3V
VOUT=5V
ELECTRICAL CHARACTERISTICS
Input Voltage Range
VIN_MIN higher than VOUT by 1V
4.5 or 6.5 to 24V
±2.5% (Typ.)
Output Voltage Set
Accuracy
25
45
65
85
105
125
Ambient Temperature (OC)
Output Voltage Ripple
Line Regulation
VIN = 12V, VOUT = 3.3V, Full Load
VIN from MIN to MAX, VOUT = 3.3V
IOUT from MIN to MAX, VOUT = 3.3V
Typical Switching Frequency
33.6mV
Efficiency vs. Load Current
VIN = 12V, VOUT = 1V - 5V
±1% (Typ.)
±1% (Typ.)
400kHz
95
Load Regulation
90
85
80
75
70
65
60
Switching Frequency
Short-Circuit Protection Short Output to Ground
Hiccup Mode
VOUT=1.0V
VOUT=1.2V
VOUT=1.5V
VOUT=1.8V
VOUT=2.5V
VOUT=3.3V
VOUT=5V
Operating Temperature
Range
-40 to 85°C
150°C
Over-Temperature
OTP
Protection
Rise Time
VOUT from 0% to 90%
MIL-HDBK-217F
0.75ms (Typ.)
4185x103 hrs
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load Current (A)
Calculated MTBF
NOTE: All electrical characteristics are tested under 25°C ambient temperature, VIN = 12V unless otherwise noted.
mEZD71202A Rev. 1.1
3/8/2017
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
1
Preliminary Specifications Subject to Change
© 2017 MPS. All Rights Reserved.
mEZD71202A Series
4.5V - 24V Input, 2A, DC/DC Power Supply
DO-IT-YOURSELF SCHEMATIC
C1
L1
BST
VOUT
VIN
VIN
EN
R1
C5
SW
C2
C3
C4
VCC
VOUT
MPDIY71202A
ADD
AGND
PGND
GND
Inside mEZD71202A-X
BILL OF MATERIALS
Item Qty RefDes
Value
0.22µF
4.7µF
47µF
Description
Package
0402
Manufacturer
Manufacturer P/N
885012105017
885012208094
885012107011
885012105012
74437336033
1
2
3
4
5
6
1
1
2
1
1
1
C1
C2
Ceramic Cap., 16V, X5R
Ceramic Cap., 50V, X7R
Ceramic Cap., 10V, X5R
Ceramic Cap., 10V, X5R
Idc 4.1A, DCR 38mΩ
Film Res., 5%
WE
WE
1206
C3, C4
C5
0805
WE
1µF
0402
WE
L1
3.3µH
499kΩ
5.5x5.2mm
0402
WE
R1
Yageo
RC0402JR-07499KL
3-Pin Male Connector, Right
Angle
TE-
Connectivity
7
8
1
1
P1
U1
3-Pin
Bulk
571-3-644457-3
MPDIY71202A
Synchronous Step-Down
Converter
MPDIY71202A
QFN-16
MPS
PRODUCT PACKAGE AND DIMENSIONS
Pin
Designation
Function
1
VIN
Input Voltage
2
3
GND
Power Ground
Output Voltage
VOUT
TOP VIEW
BOTTOM VIEW
NOTE:
Contact factory for different sizes of the boards (Quantity >2k).
For more information, Gerber files, and PCB layout, please contact
mEZsupport@monolithicpower.com
SIDE VIEW
mEZD71202A Rev. 1.1
3/8/2017
Preliminary Specifications Subject to Change
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
2
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