mEZD72402A Series
4.5V - 36V Input, 2A, DC/DC Power Supply
FEATURES
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4.5V to 36V Wide Operating Input
2A Load Current
Hiccup Short-Circuit Protection
Over-/Under-Voltage Protection
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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 - 36
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
MEZD72402A-X
2
G: 6.5 - 36
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
VIN = 24V, VOUT = 3.3V and 5V
mEZD724xx FAMILY PRODUCTS
120
100
80
60
40
20
0
Input Voltage
(V)
Output Voltage
(V)
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5
Output Current
(A)
Part Number
mEZD72401A-X
mEZD72402A-X
Natural Convection
4.5 - 36
4.5 - 36
1
2
ELECTRICAL CHARACTERISTICS
VOUT=3.3V
VOUT=5V
Input Voltage Range
VIN_MIN higher than VOUT by 1V
4.5 or 6.5 to 36V
±2.5% (Typ.)
Output Voltage Set
Accuracy
25
45
65
85
105
125
Output Voltage Ripple
Line Regulation
VIN = 24V, VOUT = 3.3V, Full Load
VIN from MIN to MAX, VOUT = 3.3V
26.4mV
Ambient Temperature (OC)
±1% (Typ.)
Efficiency vs. Load Current
VIN = 24V, VOUT = 1V - 5V
Load Regulation
IOUT from MIN to MAX, VOUT = 3.3V ±1% (Typ.)
95
90
85
80
75
70
65
60
Switching Frequency
Short-Circuit Protection
Typical Switching Frequency
Short Output to Ground
400kHz
Hiccup Mode
Operating Temperature
Range
-40 to 85°C
150°C
VOUT=1.0V
VOUT=1.2V
VOUT=1.5V
VOUT=1.8V
VOUT=2.5V
VOUT=3.3V
VOUT=5V
Over-Temperature
Protection
OTP
Rise Time
VOUT from 0% to 90%
MIL-HDBK-217F
0.75ms (Typ.)
4185x103 hrs
Calculated MTBF
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load Current (A)
NOTE: All electrical characteristics are tested under 25°C ambient temperature, VIN = 24V unless otherwise noted.
mEZD72402A 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
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