MEZD74800A-B

MEZD74800A-B Datasheet

mEZD74800A-X

Part	Datasheet
MEZD74800A-B	MEZD74800A-B (pdf)

Related Parts	Information
MEZD74800A-A	MEZD74800A-A

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mEZD74800A-X 4.5V - 75V Input, 0.3A, DC/DC Power Supply • 4.5V to 75V Wide Operating Input • Over-Current Protection • 0.3A Load Current • Over-Temperature Protection • Hiccup Short-Circuit Protection • Open Design Files and BOM • Over-/Under-Voltage Protection • Meets EN55022 Class B Emissions ORDERING INFORMATION Part Number MEZD74800A-A MEZD74800A-B Input Voltage V Output Voltage V Output Current A Radiated Emissions EN55022 Class B 24VIN, 5VOUT 0.3A Level in dBµV/m 60 55 50 45 40 35 30 25 20 15 10 5 0 30M EN 55022 Elec tric Fie ld Strength 3 m QP 50 60 80 100M 200 Frequency in Hz 400 500 800 1G 90 85 80 75 70 65 60 55 50 Efficiency vs. Load Current VIN = 48V, VOUT = 3.3V and 5V Vin=48V Vout=3.3V Vin=48V Vout=5V Load Current A ELECTRICAL CHARACTERISTICS Input Voltage Range Output Voltage Set Accuracy Output Voltage Ripple VIN_MIN higher than VOUT by 1V VIN = 48V, VOUT = 3.3V, Full Load Line Regulation VIN from MIN to MAX, VOUT = 3.3V Load Regulation IOUT from MIN to MAX, VOUT = 3.3V Switching Frequency Short-Circuit Protection Operating Temperature Range Over-Temperature Protection Rise Time VOUT = 3.3V VOUT = 5V Short Output to Ground OTP VOUT from 0% to 90% Calculated MTBF MIL-HDBK-217F to 75V Typ. 44mV Typ. ±1% Typ. 140kHz 165kHz Hiccup Mode -40 to 85°C 175°C 1.54ms Typ. 4185x103 hrs Efficiency % NOTE All electrical characteristics are tested under 25°C ambient temperature, VIN = 48V unless otherwise noted. 3/1/2017

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mEZD74800A-X
4.5V - 75V Input, 0.3A, DC/DC Power Supply
• 4.5V to 75V Wide Operating Input
• Over-Current Protection
• 0.3A Load Current
• Over-Temperature Protection
• Hiccup Short-Circuit Protection
• Open Design Files and BOM
• Over-/Under-Voltage Protection
• Meets EN55022 Class B Emissions
ORDERING INFORMATION

Part Number MEZD74800A-A MEZD74800A-B

Input Voltage V

Output Voltage V

Output Current A

Radiated Emissions EN55022 Class B
24VIN, 5VOUT 0.3A

Level in dBµV/m
60 55 50 45 40 35 30 25 20 15 10
5 0 30M

EN 55022 Elec tric Fie ld Strength 3 m QP
50 60
80 100M
200 Frequency in Hz
400 500
800 1G
90 85 80 75 70 65 60 55 50

Efficiency vs. Load Current

VIN = 48V, VOUT = 3.3V and 5V

Vin=48V Vout=3.3V Vin=48V Vout=5V

Load Current A

ELECTRICAL CHARACTERISTICS

Input Voltage Range

Output Voltage Set Accuracy

Output Voltage Ripple

VIN_MIN higher than VOUT by 1V VIN = 48V, VOUT = 3.3V, Full Load

Line Regulation

VIN from MIN to MAX, VOUT = 3.3V

Load Regulation

IOUT from MIN to MAX, VOUT = 3.3V

Switching Frequency

Short-Circuit Protection Operating Temperature Range Over-Temperature Protection

Rise Time

VOUT = 3.3V VOUT = 5V Short Output to Ground

OTP VOUT from 0% to 90%

Calculated MTBF

MIL-HDBK-217F
to 75V Typ. 44mV Typ. ±1% Typ. 140kHz 165kHz Hiccup Mode -40 to 85°C 175°C 1.54ms Typ. 4185x103 hrs

Efficiency %

NOTE All electrical characteristics are tested under 25°C ambient temperature, VIN = 48V unless otherwise noted.
3/1/2017

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MEZD74800A-B Datasheet file may be downloaded here without warranties.

Datasheet ID: MEZD74800A-B 650006