Datasheet > mEZD74800A

mEZD74800A

更新时间： 2024-04-09 19:03:12

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
2页	685K
描述
4.5V - 75V 输入、0.3V 输出、0.3A、DC/DC 电源芯片

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mEZD74800A 数据手册

mEZD74800A-X Series

4.5V - 75V Input, 0.3A, DC/DC Power Supply

FEATURES

4.5V to 75V Wide Operating Input

0.3A Load Current

Hiccup Short-Circuit Protection

Over-/Under-Voltage Protection

Over-Current Protection

Over-Temperature Protection

Open Design Files and BOM

Meets EN55022 Class B Emissions

ORDERING INFORMATION

Input Voltage

Output Voltage

(V)

Output Current

(A)

Part Number

(V)

mEZ Product Options:

1. Ready-to-Use products

2. Do-It-Yourself.

mEZD74800A-A

mEZD74800A-B

4.5 - 75

3.3

0.3

Manufacture assistance

is provided

ELECTRICAL CHARACTERISTICS

Input Voltage Range

_{IN_MIN}higher than V_OUTby 1V

4.5 to 75V

±1.7% (Typ.)

44mV

Output Voltage Set

Accuracy

Output Voltage Ripple

Line Regulation

V_IN= 48V, V_OUT= 3.3V, Full Load

V_INfrom MIN to MAX, V_OUT= 3.3V

I_OUTfrom MIN to MAX, V_OUT= 3.3V

V_OUT= 3.3V

±0.5% (Typ.)

±1% (Typ.)

140kHz

Load Regulation

Typical Application Circuit

Switching Frequency

_OUT= 5V

165kHz

Efficiency vs. Load Current

V_IN=48V, V_OUT=3.3V and 5V

Short-Circuit

Protection

Short Output to Ground

Hiccup Mode

-40 to 85°C

175°C

Operating

Temperature Range

Over-Temperature

Protection

OTP

Vin=48V Vout=3.3V

Rise Time

V_OUTfrom 0% to 90%

MIL-HDBK-217F

1.54ms (Typ.)

4185x10³hrs

Vin=48V Vout=5V

Calculated MTBF

0.1

0.2

0.3

Load Current(A)

NOTE: All electrical characteristics are tested under 25°C ambient temperature, V_IN=48V unless otherwise noted.

mEZD74800A Rev. 1.4

5/30/2019

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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