Datasheet > MSA2860S

MSA2860S

更新时间： 2024-11-13 05:50:23

品牌	Logo	应用领域
CRANE		转换器输入元件
页数	文件大小	规格书
8页	123K
描述
DC/DC CONVERTERS 28 VOLT INPUT

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技术参数
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MSA2860S 技术参数

生命周期：	Contact Manufacturer	包装说明：	DIP, DIP8/10,.8,200
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.54	模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：	40 V	最小输入电压：	16 V
标称输入电压：	28 V	JESD-30 代码：	S-MDMA-P8
JESD-609代码：	e4	功能数量：	1
输出次数：	1	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-55 °C
最大输出电流：	0.02 A	最大输出电压：	60.9 V
最小输出电压：	59.1 V	标称输出电压：	60 V
封装主体材料：	METAL	封装代码：	DIP
封装等效代码：	DIP8/10,.8,200	封装形状：	SQUARE
封装形式：	MICROELECTRONIC ASSEMBLY	认证状态：	Not Qualified
子类别：	Other Analog ICs	表面贴装：	NO
技术：	HYBRID	温度等级：	MILITARY
端子面层：	GOLD	端子形式：	PIN/PEG
端子节距：	5.08 mm	端子位置：	DUAL
最大总功率输出：	1.2 W	微调/可调输出：	NO
Base Number Matches：	1

MSA2860S 数据手册

FEATURES

• –55° to +125°C operation

• 16 to 40 VDC input

• Fully isolated

• Optocoupler feedback

• Fixed frequency, 550 kHz typical

(400 kHz typ. 60 V output model)

• Topology – Flyback

• 50 V for up to 50 ms transient protection

• Inhibit function

MSA SERIES

5 WATT

DC/DC CONVERTERS

28 VOLT NPUT

MODELS

VDC OUTPUT

SINGLE

DUAL

5.2

• Indefinite short circuit protection

• Up to 76% efficiency, 16 W/in

Size (max.): 1.075 x 1.075 x 0.270 inches (27.31 x 27.31 x 6.86 mm)

Weight:

15 grams maximum.

Screening:

Standard, ES, or 883 (Class H).

DESCRIPTION

WIDE VOLTAGE RANGE

The MSA converters are designed to provide full power operation

over a full 16 to 40 VDC voltage range. Operation below 16 volts,

including MIL-STD-704E emergency power conditions is possible

with derated power. Please refer to the low line dropout graphs

(Figures 17 and 18) for details. A low voltage lockout feature keeps

the converter shutdown below approximately 13 VDC to ensure

smooth initialization.

The MSA Series™ of high frequency DC/DC converters offers a new

standard of performance for low power, military/aerospace grade

DC/DC converters. MSA parts provide up to 5 watts output power

over the full military temperature range with up to 76% efficiency.

Thick-film hybrid techniques provide military/aerospace reliability

levels and optimum miniaturization. The hermetically sealed case is

only 1.075 by 1.075 inches — with a height of only 0.270 inches.

Power density for the MSA Series parts is 16 watts per cubic inch.

IMPROVED DYNAMIC RESPONSE

The MSA feed-forward compensation system provides excellent

dynamic response and noise rejection. Audio rejection is typically 50

dB. The minimum to maximum step line transient response is typi-

cally less than 1%.

The MSA Series’ small size, low height, and hermetically sealed

metal enclosures make them ideal for use in military, aerospace and

other high reliability applications. Units are available with standard,

screening, “ES”, and fully compliant SMD “883” screening. See

page 8 for screening options and descriptions.

INHIBIT FUNCTION

MSA converters provide a TTL open collector-compatible inhibit

feature that can be used to disable internal switching and inhibit the

unit’s output. Inhibiting in this manner results in low standby current,

and no generation of switching noise.

CONVERTER DESIGN

The MSA converters are switching regulators that use a flyback

converter design with a constant switching frequency of 550 kHz.

They are regulated, isolated units using a pulse width modulated

topology and built as high reliability thick-film hybrids. Isolation

between input and output circuits is provided with a transformer in

the forward power path and an optical link in the feedback control

loop. Excellent input line transient response and audio rejection is

achieved by an advanced feed-forward compensation technique.

Negative output regulation is maintained by tightly coupled

magnetics. Up to 4 watts, 80% of the total output power, is available

from either output, provided that the opposite output is simultane-

ously carrying 20% of the total power. Each output must carry a

minimum of 20% of the total output power in order to maintain spec-

ified regulation on the negative output. Predictable current limit is

accomplished by direct monitoring of the output load current, which

results in a constant current output above the overload point.

Internal input and output filters eliminate the need for external

capacitors.

The converter is inhibited when the TTL compatible low (≤0.8 V) is

applied to the inhibit pin. The unit is enabled when the pin, which is

internally connected to a pull-up resistor, is left unconnected or is

connected to an open collector gate. The open circuit output voltage

associated with the inhibit pin is 9 to 11 V. In the inhibit mode, a

maximum of 4 mA must be sunk from the inhibit pin.

UNDERVOLTAGE LOCKOUT AND TRANSIENT

PROTECTION

Undervoltage lockout helps keep system current levels low during

initialization or re-start operations. They can withstand short term

transients of up to 50 volts without damage.

12 3 4 5 6 7 8

中文翻译

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与MSA2860S相关器件

型号	品牌	获取价格	描述	数据表
MSA2860S/883	CRANE	获取价格	DC/DC CONVERTERS 28 VOLT INPUT
MSA2860S/883	CRANE	获取价格	DC/DC CONVERTERS 28 VOLT INPUT
MSA2860S/ES	CRANE	获取价格	Analog Circuit,
MSA2-M	MERITEK	获取价格	Surge Absorber (Spark Gap)
MSA2-M Series	MERITEK	获取价格	MSA2-M Series \| SMD 1000A Surge Current
MSA2R10243R	CDE	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, NON-POLARIZED, 243uF, CHASSIS MOUNT, RADIAL L
MSA2R250030N	CDE	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, NON-POLARIZED, 30uF, CHASSIS MOUNT
MSA2R250036N	CDE	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, NON-POLARIZED, 36uF, CHASSIS MOUNT
MSA2XX00702	MERITEK	获取价格	Surge Absorber (Spark Gap)
MSA2XX00702-M	MERITEK	获取价格	Surge Absorber (Spark Gap)

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